Base liquid product and formulated liquid product with high hydroxyl index for biodegradable polymer production, biodegradable polymer and process for manufacturing base liquid product and formulated liquid product with high hydroxyl index for biodegradable polymer formation

Abstract

The present invention relates to a base liquid product, commonly called polyol, with a high hydroxyl index, for forming a biodegradable renewable polymer, which comprises a first base liquid product component mixed and reacted with a second and a third base liquid product component, wherein: the first base liquid product component is selected from at least one of: vegetable oil and / or modified vegetable oil; the second base liquid product component is selected from at least one of: nitrilotriethanol, preferably, and / or monoethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, propylene glycol, dipropylene glycol, tripropylene glycol, 1,4 butanediol, nitrilodiethanol and / or nitrilomonoethanol, dimethylpropane, pentaerythritol, glycerin or sorbitol; and the third base liquid product component is selected from at least one of: potassium hydroxide and / or sodium hydroxide.

Description

"HIGH HYDROXYL INDEX LIQUID PRODUCT AND FORMULATED LIQUID PRODUCT FOR BIODEGRADABLE POLYMER PRODUCTION, BIODEGRADABLE POLYMER AND MANUFACTURING PROCESS OF HIGH HYDROXYL INDEX LIQUID PRODUCT AND FORMULATED LIQUID PRODUCT FOR BIODEGRADABLE POLYMER FORMATION" Description of the Technical Field

[0001] The present invention relates to a biodegradable renewable polymer product, formed from a formulated liquid product derived from a base liquid product, used for the manufacture of foams for various applications, mainly rigid and elastomeric foams.

[0002] More specifically, the present invention relates to a biodegradable renewable polymer product, formed from a high hydroxyl index base liquid product and a manufacturing process for the high hydroxyl index base liquid product, which serves as a sustainable alternative to products manufactured with fossil polyols, both polyesters and polyethers, the product of the present invention being fully recyclable, non-toxic and biodegradable. Description of the State of the Art

[0003] Currently, companies and society are engaged in combating global warming and climate change, and many initiatives and innovations need to be proposed to end the consumption of fossil fuels.

[0004] It is clear that human action is interfering with nature, and the need to create technologies that do not use the petroleum-based product chain, that is, hydrocarbons, is fundamental for the future of the planet.

[0005] The more innovations and sustainable solutions are introduced into both the industrial and consumer sectors, the faster... They managed to stop or minimize potential climate catastrophes.

[0006] In this sense, the present innovation has the power to replace fossil-based polyurethane (PU) with a biodegradable polymer that meets the need for the immediate adoption of new clean technologies capable of capturing carbon and replacing the use of petroleum.

[0007] Furthermore, improperly discarded PU ends up being dumped into rivers and oceans, causing the death of marine animals and harming the planet's aquatic ecosystems. Contemporary studies also show that the microplastics formed from the fragmentation of this discarded PU harm not only marine flora and fauna, but also pose a risk to human health.

[0008] However, only the solutions described in patents no. BR 102023000639-6 and BR102024 002430-3 are known in the prior art, which enable the replacement of PU products in terms of commercial aspects, application, practicality, and proper disposal. However, the invention described here differs from the two documents in the prior art because it presents different characteristics such as greater rigidity in the biodegradable polymers and distinct physicochemical properties, such as: average molecular mass of the generated polyol, dynamic viscosity, average density, average functionality, and reactivity profile. Objectives of the Invention

[0009] In view of the problems described in the prior art, the present invention aims to provide a BASE LIQUID PRODUCT and a FORMULATED LIQUID PRODUCT with a high hydroxyl index, to generate a biodegradable, non-toxic and recyclable polymer for the polyurethane industry in general, being a sustainable alternative to fossil polyol.

[0010] Another objective of the present invention is to provide a A biodegradable renewable polymer with more rigid mechanical resistance characteristics and distinct physical-chemical properties compared to those found in the state of the art, such as: average molecular mass of the generated polyol, dynamic viscosity, average density, average functionality, reactivity profile, and the possibility of being used in applications with varying densities, being designed to fully replace fossil polyurethane in all its applications.

[0011] In this vein, another objective of the present invention is to make use of clean and renewable sources as a basis for the composition of the Biodegradable Polymer, obtained from polyols with high hydroxyl indexes, replacing petroleum as a basis for the synthesis of the polyol, a fundamental raw material for the production of PU.

[0012] Additionally, the present invention aims to not cause harm to animals when ingested, differing entirely from fossil PU, which, when ingested, causes poisoning and death of the species.

[0013] Another objective of this invention is to reduce carbon emissions into the atmosphere by using components from renewable sources to replace products and their applications that use petroleum sources as a basis for their composition.

[0014] Another objective of this invention is to provide products in liquid or paste form for the production of biodegradable foams and polymers, in order to simplify and increase the efficiency of production chains. Brief Description of the Invention

[0015] In a first embodiment, the present invention relates to a liquid product called BASE LIQUID PRODUCT, which is formed from the mixture and reaction of a vegetable oil and / or modified vegetable oil, preferably with nitrilotriethanol and / or its substitutes, and with a catalyst, preferably hydrogen oxide. potassium and / or its substitutes, under conditions suitable for the reaction between vegetable oil and / or modified vegetable oil and nitrilotriethanol, preferably, and / or its substitutes.

[0016] Furthermore, in a preferred embodiment, the formation of the base liquid product requires the use of a catalyst as a third component. The product of this mixture and reaction also exhibits the following distinguishing features: the average molecular weight and the average functionality of the base liquid product.

[0017] In an alternative embodiment, the present invention refers to a liquid product called FORMULATED LIQUID PRODUCT, which is formed from the mixing and reaction of the BASE LIQUID PRODUCT with organic surfactants, catalysts, reagents and expanding agents.

[0018] Similarly, the FORMULATED LIQUID PRODUCT differs from the already known mixtures present in patents BR102023000639-6 and BR1020240024303, since these formulations, using the BASE LIQUID PRODUCT described in this patent, result in polyols that will generate foams or products with more rigid characteristics and distinct physicochemical properties, such as: average molecular mass of the generated polyol, dynamic viscosity, average density, average functionality and reactivity profile.

[0019] In an alternative embodiment, the present invention refers to a BIODEGRADABLE RENEWABLE POLYMER, also called the FINAL PRODUCT, which is formed from mixing the FORMULATED LIQUID PRODUCT with isocyanates.

[0020] The present invention relates to a rigid or elastomeric, renewable and biodegradable FINAL PRODUCT, which is formed from the mixture of the LIQUID BASE PRODUCT, further mixed with organic surfactants, catalysts, reagents and expanding agents, and isocyanates, the final rigid or elastomeric product being a solid polymerized form. Detailed Description of the Invention

[0021] First, it should be noted that the term "preferred" used here refers to a particular efficient embodiment of the invention among the multiple possible embodiments. The term "preferred" should not be understood as limiting the possible embodiments of the present invention, that is, it should not be understood as "imperative" or "mandatory" for carrying out the present invention.

[0022] The term "generate" should be understood in the context of the present invention as conceiving, producing, or obtaining something. It should therefore be understood broadly and not limited to a restricted understanding of its meaning.

[0023] In this report, the term "biodegradable polymer" should be understood as a product, part, article, accessory, utensil, device, packaging, artifact, foam, among others, that has characteristics that allow it to degrade in nature.

[0024] In this report, the term "base mixture" should be understood as a reaction carried out at temperature, mixing and reacting the aforementioned components.

[0025] The term "base mixture" will also be used as base product or base liquid product and can be understood as a product resulting from the first phase. The base product can be used and / or marketed individually to subsequently generate the formulated mixture or for other purposes not previously identified in this document.

[0026] In this report, the term "catalyst" should be understood as an alkaline product, which may be used in solid or solution form, with the aim of conducting the reaction of interest through less energetic pathways, enabling the methodology described in this report to be fully applied.

[0027] Commercially, the term LIQUID BASE PRODUCT may to be understood as POLYOL.

[0028] The term "liquid base product" will also be used to refer to a high hydroxyl index base product, high hydroxyl index liquid base product, or high hydroxyl index base mixture, and can be understood as a product resulting from the first phase. The base product can be used and / or marketed individually to subsequently generate the formulated mixture or for other purposes not previously identified in this document.

[0029] The term "formulated mixture" or "formulated product" will also be used as formulated product or formulated liquid product and can be understood as a product resulting from the second phase. The formulated product can be used and / or marketed individually to subsequently generate the final mixture or for other purposes not previously identified in this document.

[0030] The term "SOLID END PRODUCT" will also be used to refer to biodegradable elastomeric polymer or biodegradable rigid polymer.

[0031] The term "phase" should be understood similarly to the term "stage," being used in the context of the present invention as a stage that may comprise one or more stages or sub-stages.

[0032] In one embodiment of the present invention, the LIQUID BASE PRODUCT comprises a first base product component reacted with a second base product component and with a third base product component.

[0033] In a preferred embodiment, the first base product component is selected from at least one of: vegetable oil, modified vegetable oil, or a combination of these components.

[0034] In an even more preferred embodiment, the vegetable oils used in the present embodiment comprise any of Of the oils mentioned, in a non-exhaustive manner: macauba oil, frying oil, cooking oil, cottonseed oil, palm oil, soybean oil, corn oil, canola oil, sunflower oil, rapeseed oil or castor oil, all of which are crude oils without processing, used "in natura", or refined oils. Alternatively, a blend of vegetable oils or their modified versions may be used as components of the base liquid product.

[0035] In a preferred embodiment, the second base product component is selected from at least one of: nitrilotriethanol, preferably, and / or monoethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, propylene glycol, dipropylene glycol, tripropylene glycol, 1,4-butanediol, nitrilodiethanol, nitrilomonoethanol, trimethylolpropane, pentaerythritol, glycerin, sorbitol, or a combination of these components.

[0036] In a preferred embodiment, the third component of the base liquid product is a catalyst, preferably potassium hydroxide and / or sodium hydroxide.

[0037] In the present invention, the following are considered substitutes, countertypes, or alternative components of nitrilotriethanol: monoethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, propylene glycol, dipropylene glycol, tripropylene glycol, 1,4-butanediol, nitrilodiethanol, nitrilomonoethanol, trimethylolpropane, pentaerythritol, glycerin, or sorbitol. Therefore, although nitrilotriethanol is mentioned as a preferred component, nitrilotriethanol substitutes can also be used, individually or in combination, to achieve the desired base, formulated, and final products.

[0038] In a preferred embodiment, the second base product component is selected from at least one of: nitrilotriethanol, nitrilodiethanol, nitrilomonoethanol, 1,4-butanediol, or a combination of these components.

[0039] In a preferred embodiment, the second base product component is selected from at least one of: monoethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, or a combination of these components.

[0040] In a preferred embodiment, the second base product component is selected from at least one of: propylene glycol, dipropylene glycol, triprpropylene glycol, or a combination of these components.

[0041] In a preferred embodiment, the second base product component is selected from at least one of: trimethylolpropane, pentaerythritol, glycerin, sorbitol, or a combination of these components.

[0042] In a preferred embodiment, the base net product comprises between 61% and 91% by weight of the first base product component, between 8% and 38% by weight of the second base product component, and between 0.1% and 1% by weight of the third base product component, considering the total weight of the base net product.

[0043] In a preferred embodiment, the first component, the second component, and the third component are mixed under conditions that allow them to react, so as to achieve a hydroxyl index in the reacted liquid base product that is in the range between 301 and 600. In a preferred embodiment, the hydroxyl index is preferably 301, 325, 350, 375, 400, 425, 450, 475, 500, 525, 550, 575, and 600, or any range between the indicated values.

[0044] The hydroxyl index, mentioned in the paragraph above, is a determining factor in obtaining the characteristics of the final biodegradable polymer. All vegetable oils have different hydroxyl indices, ranging from approximately 0.1 to 163. Regardless of the hydroxyl index of the vegetable oil, nitrilotriethanol must be added. and / or its substitutes until the liquid base product reaches the hydroxyl index within the parameters already mentioned, that is, more preferably between 301 and 600.

[0045] In a preferred embodiment, the conditions that allow the reaction between the components to achieve the hydroxyl index within the parameters already mentioned, that is, more preferably between 301 and 600, comprise introducing into the base liquid product, during the temperature reaction, the third component, a catalyst, preferably potassium hydroxide and / or sodium hydroxide.

[0046] Nitrilotriethanol or its substitutes serve to balance and increase the hydroxyl index. The higher the proportion of nitrilotriethanol, or its substitutes, the higher the hydroxyl index of the resulting liquid base product.

[0047] The catalyst potassium hydroxide, or its substitute sodium hydroxide, functions to lower the activation energy of the reaction of interest, guiding it through a less energetic reaction pathway and making it possible to achieve the desired characteristics.

[0048] In this sense, acting as a hydroxylating agent, nitrilotriethanol, in reaction with vegetable oils, provides a technical effect of decreasing the molecular chain of the oils, that is, increasing the length of the hydroxyl molecular chain so that the desired indices, such as between 301 and 600, are obtained. Furthermore, only with the addition of the third component described is it possible for the reaction of the first two components to occur efficiently, ensuring that the resulting hydroxyl index is greater than 300, forming the base liquid product of the present invention with the desired indices, i.e., between 301 and 600.

[0049] The quantity of the second component of the base liquid product is determined by the desired hydroxyl index for the base liquid product, based on the hydroxyl index of the first component. LIQUID BASE PRODUCT.

[0050] The third component should be added until the mixture of the first and second components results in a uniform liquid material with only one phase.

[0051] The conditions for this reaction will be detailed further below.

[0052] To form the base liquid product that can compose the rigid or biodegradable elastomeric renewable polymer described in this invention, it is necessary to achieve a hydroxyl index between 301 and 600. In a preferred embodiment, the hydroxyl index is preferably 301, 325, 350, 375, 400, 425, 450, 475, 500, 525, 550, 575 and 600, or any interval between the indicated values.

[0053] In an alternative embodiment, the present invention refers to a FORMULATED LIQUID PRODUCT comprising the BASE LIQUID PRODUCT mixed with a blowing agent and with at least one of the following: organic surfactants, catalysts and / or reagents, while maintaining the desired characteristics of the present invention such as non-toxicity and biodegradability.

[0054] In a preferred embodiment, the blowing agent is selected from at least one of: water, isopentane, cyclopentane, and / or hydrogenated chlorofluorocarbon.

[0055] In a preferred embodiment, the catalyst is selected from at least one of: tin dibutyl dilaurate, cobalt dibutyl dilaurate, cobalt octoate, diazabicyclooctane and / or dimethylcyclohexylamine.

[0056] In a preferred embodiment, the organic surfactant is selected from at least one of: silicone and / or water-soluble silicone.

[0057] In a preferred embodiment, the reagent is selected from at least one of: diethylene glycol, monoethylene glycol, propylene glycol and / or nitrilotriethanol.

[0058] In a preferred embodiment, the formulated liquid product may comprise between 57.47% and 99.95% of the BASE LIQUID PRODUCT, between 0.01% and 5.75% of organic surfactant, preferably silicone, between 0.01% and 1.72% of catalyst, between 0.01% and 3.45% of reagent, between 0.01% and 20.13% of blowing agent, preferably water, and between 0.01% and 14.37% of other additives.

[0059] In one embodiment, the other additives mentioned include, but are not limited to: fillers, flame retardants, pigments and dyes, plasticizers, antioxidants, and UV stabilizing agents.

[0060] In an alternative embodiment, the present invention also refers to a FINAL BIODEGRADABLE RENEWABLE PRODUCT or FINAL LIQUID PRODUCT comprising the FORMULATED LIQUID PRODUCT mixed with an isocyanate. Isocyanate can be methylene diphenyl diisocyanate (MDI), toluene diisocyanate (TDI), 1,5-naphthalene diisocyanate (NDI), hexamethylene diisocyanate (HDI), 5-isocyanato-1-(methylisocyanate)-1,3,3'-trimethylcyclohexane (IPDI), dicyclohexylmethane diisocyanate (HMDI), triphenylmethane 4,4,4-triisocyanate (TPMTI) and / or 1,4-phenylenediisocyanate (PDI) or a mixture of the aforementioned isocyanates, wherein the isocyanate comprises an NCO, nitrogen-carbon-oxygen, ranging from 10% to 50%.

[0061] The percentage of NCO groups in isocyanate, including MDI and its derivatives, is a fundamental characteristic that can vary significantly depending on the type of prepolymer used. Prepolymers are formed by the reaction of a polyol with an excess of isocyanate, resulting in a material that possesses reactive NCO terminals. The amount of NCO groups present in the final prepolymer is expressed as the NCO percentage and plays a crucial role in the final product properties, such as hardness, elasticity, and chemical resistance. Above all, in addition to its prepolymer state... Furthermore, it is worth mentioning that there are other ways to interfere with the NCO percentage of isocyanates and their derivatives, such as diluting them in organic solvents, which would result in a decrease in their total NCO percentage.

[0062] In a preferred embodiment, the isocyanate comprises an NCO, nitrogen-carbon-oxygen, ranging from 10% to 34%, in a further preferred embodiment, the isocyanate is MDI comprising an NCO, nitrogen-carbon-oxygen, ranging from 10% to 34%.

[0063] In a preferred embodiment, the FINAL LIQUID PRODUCT comprises between 7% and 60% of the formulated liquid product and between 40% and 93% of the isocyanate.

[0064] The processes or methods for preparing the BASE LIQUID PRODUCT, FORMULATED LIQUID PRODUCT, and FINAL BIODEGRADABLE RENEWABLE PRODUCT or FINAL LIQUID PRODUCT are also described here.

[0065] In a preferred embodiment, the process for manufacturing the BASE LIQUID PRODUCT comprises: reacting and stirring a first base liquid product component with a second and a third base liquid product component, wherein the first base liquid product component is selected from at least one of: vegetable oil and / or modified vegetable oil or a combination of these components; the second base liquid product component is selected from at least one of: nitrilotriethanol, preferably, and / or monoethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, propylene glycol, dipropylene glycol, tripropylene glycol, 1,4-butanediol, nitrilodiethanol and / or nitrilo-monoethanol, dimethylpropane, pentaerythritol, glycerin or sorbitol; and the third base liquid product component is a catalyst, preferably potassium hydroxide and / or sodium hydroxide.

[0066] In a preferred embodiment, the manufacturing process The preparation of the LIQUID BASE PRODUCT comprises: heating the first component to a temperature, called the mixing temperature, between 50°C and 100°C, preferably between 60°C and 90°C, or preferably between 70°C and 80°C; adding the second component, preferably nitrile-lotriethanol, or its possible substitutes, and the third component; heating the resulting mixture to a temperature between 100°C and 120°C (reaction temperature), maintaining agitation for a time between 30 minutes and 150 minutes, or preferably between 60 minutes and 120 minutes, until the desired product is obtained, indicated by the homogeneous and translucent visual appearance of the reaction system.

[0067] If the substitute for the second component has a melting point above 120°C, this temperature should be increased to exceed the melting point of the chosen substitute component. If the melting point of the second component is above the flash point of the oil, an antioxidant component, for example, nitrogen, should be injected into the reaction.

[0068] The third component can be added to the reaction system either in its solid form, diluted in water, and / or diluted in the second component of the base liquid product. In a preferred embodiment, the third component is initially mixed with the second component, that is, it is diluted in the second component (hydroxylating agent) before these come into contact with the first component.

[0069] In an embodiment where the third component is added to a combination of the first component with the second component, the temperature of the mixture of the first and second components for the addition of the third component is higher than mixing temperature, that is, a temperature between 55°C and 100°C, preferably between 65°C and 95°C, or preferably a temperature between 75°C and 85°C.

[0070] In a preferred embodiment, the agitation is accomplished by mechanical stirring.

[0071] In an alternative embodiment, the liquid base product is then cooled to a temperature of approximately 20°C to 40°C.

[0072] In a preferred embodiment, the process for manufacturing the FORMULATED LIQUID PRODUCT comprises: stirring and mixing the BASE LIQUID PRODUCT with the blowing agent, organic surfactants, catalysts, other additives and / or reagents.

[0073] In a preferred embodiment, the BASE LIQUID PRODUCT, organic surfactants, catalysts, other additives and / or reagents are added to a tank where agitation is initiated by a mechanical stirrer.

[0074] The agitation is maintained for a period of approximately 60 to 120 minutes.

[0075] The blowing agent is gradually added over the course of the stirring time, until its final concentration is reached.

[0076] The organic reagents and surfactants used are responsible for facilitating and improving the efficiency of stabilization between the base mixture and the formulated mixture components. The catalyst is a reaction accelerator that initiates the process and is also responsible for stopping the reaction to stabilize the formula. The organic reagents and surfactants are the formulated mixture components that will react massively, increasing the volume and rigidity of the final solid product when mixed with isocyanate. The reagent is responsible for assisting in chain extension and cross-linking. Polymer. The organic surfactant, especially silicone, is responsible for stabilizing cell opening and stabilizing the mixture between the components of the formulated polyol.

[0077] Finally, in a preferred embodiment, the manufacturing process of a biodegradable polymer comprises: stirring and mixing the FORMULATED LIQUID PRODUCT, and gradually adding an isocyanate throughout the stirring period.

[0078] In a preferred embodiment, the formulated liquid product and isocyanate are dosed and added by the injection molding machine, which will produce the final mixture. The injection molding machine will perform the heating and agitation steps that will produce the final mixture. The agitation time is within a range of 1 to 60 seconds, preferably between 5 and 30 seconds, or more preferably between 7 and 10 seconds, depending on the ambient temperature. The lower the external ambient temperature, the longer the agitation time of the final mixture should be. During agitation, a heating step is performed on the final mixture, composed of isocyanate and the formulated liquid product, to an injection temperature. The injection temperature is between 20°C and 60°C, or preferably between 30°C and 50°C.

[0079] This is how the final liquid mixture is obtained, which can then be used to produce the biodegradable solid product, which is rigid or elastomeric foam.

[0080] After heating and massively stirring the final mixture, composed of isocyanate and the formulated liquid product, to the application temperature, a step is performed to apply the final mixture in liquid form to generate the final product, which is obtained in a solid state. This step can also be understood as a step to generate the final product in the solid state by shaping the final mixture through an exothermic polymerization reaction.

[0081] The shaping of the final liquid mixture to generate the final solid product can be achieved, for example, by injection under low or high pressure into molds for manufacturing packaging or similar items, between building walls to provide thermal insulation, and within molds specifically configured for use in civil construction. Other examples include thermal insulation for refrigeration equipment, insulation for heat exchange equipment, technical or mechanical parts, or decorative parts, among many other possibilities.

[0082] During the application phase, depending on the type of application, an optional step is performed to allow a solidification time after applying the final mixture. The solidification time is preferably 5 to 20 minutes. Solidification, which is the polymerization from the liquid to the solid state, must respect this time variation for handling, according to the complexity of the part to be produced. Parts with very thin profiles may break or deform if polymerization has not been completed and they are handled. After the solidification time, the final product will be polymerized, having passed into the solid state.

[0083] In a preferred embodiment, the present invention also relates to a renewable and biodegradable rigid or elastomeric polymer comprising the FINAL LIQUID PRODUCT polymerized in a solid state, resulting from the reaction of the FORMULATED LIQUID PRODUCT with the aforementioned isocyanates.

[0084] The greater the amount of isocyanate (up to a certain point) in the final mixture, the greater the rigidity of the biodegradable polymer.

[0085] In a preferred embodiment, the isocyanate may be MDI, TDI, NDI, HDI, IPDI, HMDI, TPMTI and / or PDI or a mixture of the aforementioned isocyanates, wherein the isocyanate comprises an NCO, nitrogen-carbon-oxygen, ranging from 10% to 50%.

[0086] In a preferred embodiment, the isocyanate comprises an NCO, nitrogen-carbon-oxygen, ranging from 10% to 34%, in a further preferred embodiment, the isocyanate is MDI comprising an NCO, nitrogen-carbon-oxygen, ranging from 10% to 34%.

[0087] In a preferred embodiment, the FINAL LIQUID PRODUCT comprises between 7% and 60% of the formulated liquid product and between 40% and 93% of the isocyanate.

[0088] Among the components of the base liquid product, at least one component comprises at least one type of vegetable oil and / or modified vegetable oil. The vegetable oils used in this embodiment include any of the following oils, but are not limited to: macauba oil, frying oil, cooking oil, cottonseed oil, palm oil, soybean oil, corn oil, canola oil, sunflower oil, rapeseed oil, or castor oil, all of which are crude, unprocessed oils used "in nature". Alternatively, a blend of vegetable oils or modified versions thereof may be used as components of the base liquid product.

[0089] Any of the oils mentioned above, when mixed and reacted with nitrilotriethanol, or with a described substitute, and with a catalyst, preferably potassium hydroxide, to form the base liquid product, must achieve the hydroxyl indices previously cited as necessary for the present invention.

[0090] In summary, the main steps or phases of the process for obtaining a biodegradable renewable polymer, formed by a high hydroxyl index liquid base product, of the present invention, comprise: generating a LIQUID BASE PRODUCT, wherein generating the LIQUID BASE PRODUCT involves stirring and reacting at least one vegetable oil and / or vegetable oil modified with nitrilotriethanol or its described substitutes and with a catalyst agent potassium hydroxide or its substitutes; generate a FORMULATED LIQUID PRODUCT, wherein generating the FORMULATED LIQUID PRODUCT comprises stirring BASE LIQUID PRODUCT with organic surfactants, catalysts, reagents, other additives and blowing agent; generate a FINAL LIQUID PRODUCT, wherein generating the FINAL LIQUID PRODUCT comprises stirring the FORMULATED LIQUID PRODUCT with MDI or its described substitutes; and generate a FINAL PRODUCT in the solid state by means of dosing, heating, mass mixing and injection, obtaining the conformation of the final mixture by the polymerization process.

[0091] The final biodegradable product obtained, in its solid state, has its physicochemical composition determined by the exothermic reaction, a consequence of the final mixture which corresponds to the chosen proportion of the formulated mixture, depending on the desired characteristic and the isocyanate, and subsequent polymerization.

[0092] In one embodiment, the amount of isocyanate for the formation of the biodegradable renewable polymer is preferably 40%, 41%, 42%, 43%, 44%, 45%, 46%, 47%, 48%, 49%, 50%, 51%, 52%, 53%, 54%, 55%, 56%, 57%, 58%, 59%, 60%, 61%, 62%, 63% 64%, 65%, 66%, 67%, 68%, 69%, 70%, 71%, 72%, 73%, 74%, 75% 76%, 77%, 78%, 79%, 80%, 81%, 82%, 83%, 84%, 85%, 86%, 87% 88%, 89%, 90%, 91%, 92%, 93%, or any interval between the indicated values.

[0093] In one embodiment, the quantity of the formulated liquid product for the formation of the biodegradable renewable polymer is preferably 7%, 8%, 9%, 10%, 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%, 20%, 21%, 22%, 23%, 24%, 25%, 26%, 27%, 28% 29%, 30%, 31%, 32%, 33%, 34%, 35%, 36%, 37%, 38%, 39%, 40% 41%, 42%, 43%, 44%, 45%, 46%, 47%, 48%, 49%, 50%, 51%, 52% 53%, 54%, 55%, 56%, 57%, 58%, 59%, 60%, or any interval between the indicated values.

[0094] The final product has a density of approximately 7 kg / m³. 3 and 1,300 kg / m 3 , making it possible to obtain the final product in several distinct density and formulation ranges.

[0095] The biodegradable end product of the present invention exhibits decomposition and biodegradability characteristics.

[0096] Additionally, it is important to highlight that for all values ​​and all value ranges of any characteristic defined above, there may be a variation of up to plus or minus 5%. This means that any of the values ​​or ranges may vary within any interval up to 5%, for example, 1%, 2%, 3%, 4%, 5%, or any decimal value above or below the defined values ​​or value ranges. In a situation of variation, naturally there will be compensation in the formulations to maintain the total value obtained.

[0097] While examples of embodiment have been described, it should be understood that the scope of the present invention encompasses other possible variations, being limited only by the content of the appended claims, including possible equivalents.

Claims

CLAIMS 1. High hydroxyl index liquid base product for biodegradable renewable polymer, characterized in that it comprises a first liquid base product component mixed and reacted with a second and a third liquid base product component, wherein: the first liquid base product component is selected from at least one of: vegetable oil and / or modified vegetable oil; the second liquid base product component is selected from at least one of: nitrilotriethanol, preferably, and / or monoethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, propylene glycol, dipropylene glycol, tripropylene glycol, 1,4-butanediol, nitrilodiethanol and / or nitrilomonoethanol, dimethylpropane, pentaerythritol, glycerin or sorbitol; and the third liquid base product component is selected from at least one of: potassium hydroxide and / or sodium hydroxide.

2. High hydroxyl index liquid base product for biodegradable renewable polymer, according to claim 1, characterized in that the second component of the liquid base product is selected from at least one of: nitrilotriethanol, monoethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, propylene glycol, dipropylene glycol, tripropylene glycol, 1,4-butanediol, nitrilodiethanol, nitrilomonoethanol, trimethylolpropane, pentaerythritol, glycerin, sorbitol or a combination of these components.

3. High hydroxyl index liquid base product for biodegradable renewable polymer, according to claim 1 or 2, characterized in that the second component of the liquid base product is selected from at least one of: nitrilotrione- ethanol, 1,4 butanediol, nitrilodiethanol, nitrilomonoethanol.

4. High hydroxyl index liquid base product for biodegradable renewable polymer, according to claim 1 or 2, characterized in that the second component of the liquid base product is selected from at least one of: monoethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol.

5. High hydroxyl index liquid base product for biodegradable renewable polymer, according to claim 1 or 2, characterized in that the second component of the liquid base product is selected from at least one of: propylene glycol, dipropylene glycol, tripropylene glycol.

6. High hydroxyl index liquid base product for biodegradable renewable polymer, according to claim 1 or 2, characterized in that the second component of the liquid base product is selected from at least one of: trimethylolpropane, pentaerythritol, glycerin, sorbitol.

7. High hydroxyl index liquid base product for biodegradable renewable polymer, according to any one of claims 1 to 6, characterized in that the hydroxyl index of the liquid base product is in the range between 301 and 600.

8. High hydroxyl index liquid base product for biodegradable renewable polymer, according to any one of claims 1 to 7, characterized in that the amount of the second component of the liquid base product is determined by the desired hydroxyl index for the liquid base product, the hydroxyl index of the first component, and the hydroxyl index of the second component.

9. High hydroxyl index formulated liquid product for biodegradable renewable polymer, characterized in that it comprises the base liquid product, as defined in any of the Claims 1 to 8, mixed with a blowing agent and at least one of the following organic surfactants, catalysts, other additives and / or reagents.

10. Final liquid product with a high hydroxyl index for a biodegradable renewable polymer, characterized in that it comprises the formulated liquid product, as defined in claim 9, mixed with an isocyanate.

11. Final liquid product with a high hydroxyl index for a biodegradable renewable polymer, according to claim 10, characterized in that the isocyanate comprises an NCO, nitrogen-carbon-oxygen, ranging from 10% to 34%, preferably MDI comprising an NCO, nitrogen-carbon-oxygen, ranging from 10% to 34%.

12. Final liquid product with a high hydroxyl index for a biodegradable renewable polymer, according to claim 10, characterized in that the isocyanate is selected from at least one of: NDI, naphthalene diisocyanate, aliphatic isocyanate, modified isocyanate, blocked isocyanate and / or TDI, toluene diisocyanate or a mixture of isocyanates.

13. Final liquid product for biodegradable renewable polymer, according to any one of claims 10 to 12, characterized in that the final liquid product comprises between 7% and 60% of the formulated liquid product and between 40% and 93% of the isocyanate.

14. Biodegradable renewable polymer, characterized in that it comprises the final liquid product, as defined in any one of claims 9 to 13, polymerized in a solid state.

15. A manufacturing process for a liquid base product, characterized in that it comprises: reacting and stirring a first component of a liquid base product with a second and a third component of a liquid product. base, wherein the first component of the liquid base product is selected from at least one of: vegetable oil and / or modified vegetable oil or a combination of these components; the second component of the liquid base product is selected from at least one of: nitrilotriethanol, preferably, and / or monoethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, propylene glycol, dipropylene glycol, tripropylene glycol, 1,4-butanediol, nitrilodiethanol and / or nitrilomonoethanol, dimethylpropane, pentaerythritol, glycerin or sorbitol; and the third component of the liquid base product is a catalyst, preferably potassium hydroxide and / or sodium hydroxide.

16. Manufacturing process for a formulated liquid product, characterized by the fact that it comprises: stirring and mixing the BASE LIQUID PRODUCT with a blowing agent, organic surfactants, catalysts, other additives and / or reagents.

17. A manufacturing process for a biodegradable renewable polymer, characterized in that it comprises: generating a base liquid product, wherein generating the base liquid product comprises: stirring and reacting a first base liquid product component with a second and a third base liquid product component, wherein the first base liquid product component is selected from at least one of: vegetable oil and / or modified vegetable oil; the second base liquid product component is selected from at least one of: nitrilotriethanol, preferably, and / or monoethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, propylene glycol, dipropylene glycol, tripropylene glycol, 1,4-butanediol, nitrilodiethanol and / or nitrilomonoethanol, dimethylpropane, pentaerythritol, glycerin or sorbitol; and the third base liquid product component is selected from at least one of: hydroxide of potassium and / or sodium hydroxide; and generate a formulated liquid product, wherein generating the formulated liquid product comprises: stirring the base liquid product with at least one of the following: organic surfactants, catalysts and / or reagents, and gradually adding a blowing agent throughout the stirring period of the base product with the organic surfactants, catalysts, other additives and / or reagents.

18. A manufacturing process for a biodegradable renewable polymer, according to claim 17, characterized in that it further comprises a step of generating a liquid end product, wherein the step of generating a liquid end product comprises stirring the formulated liquid product with an isocyanate.

19. Manufacturing process of a biodegradable renewable polymer, according to claim 18, characterized in that the isocyanate comprises an NCO, nitrogen-carbon-oxygen, ranging from 10% to 34%, preferably MDI comprising an NCO, nitrogen-carbon-oxygen, ranging from 10% to 34%.

20. A manufacturing process for a biodegradable renewable polymer, according to claim 18 or 19, characterized in that it further comprises shaping the liquid end product through a polymerization reaction to obtain a solid end product that is a renewable and biodegradable rigid or elastomeric polymer.