236results about "Vegetable material addition" patented technology

The invention discloses a preparation method of a slow-release wear-resistant fragrance-releasing ecological board, which belongs to the field of wood processing and manufacturing, and comprises the following steps: coating urea-formaldehyde resin adhesive on both sides of a base material; eucalyptus veneers are attached to the two faces of the sizing base material respectively, and cold pressing and hot pressing are conducted in sequence; one side of the technical veneer is coated with urea-formaldehyde resin glue, then fragrance-releasing type impregnated bond paper covers the urea-formaldehyde resin glue, and hot-pressing shaping is carried out; and taking two pieces of technical wood veneers subjected to hot-pressing shaping, coating the other surfaces of the technical wood veneers with urea-formaldehyde resin glue, attaching the technical wood veneers to the other surfaces of the eucalyptus veneers, and performing hot-pressing to obtain the slow-release wear-resistant fragrance-releasing ecological board. The method provided by the invention can effectively delay the fragrance release time of the fragrance release type ecological board and can reduce the physical and mechanical properties of the board due to the addition of the microcapsules.

The invention discloses a bio-based composition and application of the bio-based composition as a paper-plastic pulp additive. The bio-based composition comprises a component A, a component B and a component C, wherein the component A is one or two of a biomass material or a cationized biomass material; the biomass material and the cationized biomass material have a dendritic, fibrous, sheet-shaped, pinniform, flocculent or porous spongy structure; the component B is selected from one, two or more of PHA (polyhydroxyalkanoate), AKD (alkyl ketene dimer), PGA (polyglutamic acid), PLA (polylactic acid), PBAT (polybutylene adipate-co-terephthalate), cellulose ester and cellulose ether; a component C: a retention aid; the bio-based composition does not contain a reinforcing agent, a sizing agent and / or a mineral filler. The bio-based composition provided by the invention is used for paper pulp molding production, and can effectively improve the physical strength indexes of paper plastic, such as ring crush compression resistance, tear strength, bursting strength and / or tensile strength. Mold sticking and mold hole blocking can be avoided, and the production efficiency is improved.

The invention belongs to the field of paper products, and particularly relates to a pulp composition for a high-quality paper product and application of the pulp composition. The bio-based additive comprises a component A, a component B and a component C, wherein the component A is one or two of a biomass material with a dendritic or network-shaped structure or a cationized biomass material with a dendritic or network-shaped structure; and optionally containing or not containing a component B: one, two or more selected from the group consisting of polyhydroxyalkanoates, alkyl ketene dimers, polyglycolide, polylactide, copolymers of butylene adipate and butylene terephthalate, polyoxyethylene stearate, cellulose esters and cellulose ethers. A large number of hydroxyl groups are distributed in the component A, the hydroxyl groups can form hydrogen bonds with cellulose and the like in fiber pure pulp to form a larger network structure, the prepared paper product is high in strength, meanwhile, the hydrogen bonds and the hydroxyl groups are beneficial to water interception, and the water absorption of the paper product can be improved.

The present invention provides a method for preparing unbleached impregnated insulating paper, belonging to the technical field of insulating paper preparation. The method uses a mixture of unbleached softwood sulfate pulp and unbleached hardwood sulfate pulp as raw materials, adds a bulking agent, gelatinized cationic starch, and a wet strength agent, and adjusts the preparation process to produce unbleached impregnated insulating paper with high dry and wet strength and good liquid absorption properties.

The invention provides antibacterial and mildew-proof corrugated paper and a preparation method thereof, and belongs to the technical field of packaging materials. According to the corrugated paper, the efficient antibacterial agent is doped into the paper base material, and the paper base material is packaged through a microcapsule technology, so that uniform distribution and long-acting release of the antibacterial agent in the paper are ensured. The preparation process comprises the steps of paper pulp preparation, antibacterial agent preparation, raw paper preparation, antibacterial protection layer coating, corrugated paper forming and the like. The antibacterial and mildewproof corrugated paper has excellent antibacterial and mildewproof effects, can keep good physical properties, is suitable for packaging products such as food, medicines and cosmetics with strict requirements on sanitary conditions, effectively prevents microbial contamination and guarantees product quality and safety.

The invention provides high-humidity base paper and a quantifiable preparation process thereof, and relates to the field of paper production and processing. Comprising the following raw materials in percentage by mass: 15%-25% of softwood pulp, 40%-55% of hardwood pulp, 10%-25% of soft fibers, 10%-20% of nanocellulose, 0.5%-1.5% of vegetable fat polymer composite microspheres and 1%-3% of functional aids, wherein the solid content of aqueous suspension of the softwood pulp and the hardwood pulp is 3%-8%; the nano cellulose is subjected to surface modification treatment. According to the paper, coniferous wood pulp long fibers, hardwood pulp short fibers and soft fibers are utilized to form a three-dimensional framework, nano-crystalline cellulose enhances wet load transmission through a nanoscale bridging network, vegetable fat microspheres construct a hydrophobic layer to inhibit moisture permeation, the three components have a synergistic effect, so that the wet tensile strength is improved, and meanwhile, high air permeability is kept; and the balance of water resistance and ventilation is realized.

The invention provides multifunctional composite fiber reinforced decorative base paper and a preparation method thereof. The decorative base paper is prepared from the following raw materials in parts by weight: 30-60 phr of wood pulp fibers, 15-35 phr of bamboo fibers, 1-10 phr of polyester fibers, 1-10 phr of polyamide fibers, 57-91 phr of an antibacterial reinforcing agent, 3-20 phr of a flame retardant and 1-10 phr of nano cellulose. The antibacterial reinforcing agent is prepared from the following components in parts by weight: 1 to 5 phr of silver nitrate, 3 to 10 phr of tetrabutyl titanate, 2 to 8 phr of sulfydryl modified chitosan, 50 to 70 phr of absolute ethyl alcohol and 2 to 6 phr of plant essential oil; the flame retardant is a composition of ammonium polyphosphate and aluminum hydroxide wrapped by chitosan. According to the invention, the composite fiber prepared by compounding four fibers is used, and the antibacterial agent, the flame retardant and the nano cellulose are added to supplement functionality, so that the multifunctional composite fiber reinforced decorative base paper with high strength, excellent wear resistance and excellent antibacterial performance is obtained, and the fireproof performance of the multifunctional composite fiber reinforced decorative base paper reaches the national B1-level fireproof standard.

Described herein is a process in which filamentous fungi can be used to create textile or paper materials with tunable properties. The textiles can range from leather-like to paper-like depending on the species of fungi used and the growth conditions. The method of production utilizes the tendency of filamentous fungi to form films on still liquids, in order to generate many mycelial mats concurrently. These mats can then be layered to create textile materials, paper materials, and other material types having varying thickness, composition, and mechanical properties.

According to an example aspect of the present invention, here is provided an aqueous dispersion, and a film thereof, comprising an extract comprising suberin, and a dispersant comprising hemicellulose grafted with organic acids or their anhydrides. Further, there is provided a method of manufacturing such aqueous dispersion or film. In addition, the present invention relates to the use of such aqueous dispersion and film.

Methods of manufacturing wood pulp from almond orchard trees, almond wood pulps, and sustainable paper products made therefrom.

The invention discloses a compound herbal puffed body as well as a preparation method and application thereof. The preparation method comprises the following steps: adopting compound herbal raw materials; crushing the compound herbal raw materials, and performing puffing treatment; and preparing the compound herbaceous puffed body. The compound herbal puffed body is prepared by adopting the preparation method. The invention further provides application of the compound herbal puffed body. The periphery of the compound herbal puffed body is wrapped with paper to be made into moxibustion sticks or incense. According to the present invention, the formula of the puffed body material prepared from the compatibility of the traditional Chinese medicinal materials and the plants is adopted, the advanced assay and test technology is adopted, the advanced puffed body preparation technology is adopted after the pharmacological experiment, and the puffed body or the filamentous puffed body is adopted; and the moxibustion or incense is prepared in a manner of wrapping paper outside. When the product is actually used, not only is the requirement of moxibustion therapy met, but also the requirement of daily incensing is met, and the practical value and the market value of being multiple in product variety, wide in audience range and wide in use scene are achieved.

The invention discloses a packaging box special for medical treatment, and relates to the field of packaging boxes for medical treatment. The plant fiber composite material is prepared from the following raw materials in parts by weight: 80-95 parts of plant fiber slurry, 3-10 parts of chitosan, 5-15 parts of polylactic acid, 1-5 parts of nano silicon dioxide, 0.5-3 parts of an environment-friendly water repellent agent, 2-8 parts of reinforced fibers, 3-8 parts of a reversible moisture absorption phase change material and 0.1-0.5 part of a degradation indicating pigment. The plant fiber slurry is adopted as a bio-based framework, chitosan microfibers, polylactic acid, nano silicon dioxide, a reversible moisture absorption phase change material and other functional components are innovatively introduced, and an antibacterial trigger layer and degradation indication pigment on the inner surface are matched, so that the packaging box keeps good mechanical strength and structural stability, and meanwhile the packaging box has the advantages that the packaging box is not prone to deformation, and the service life is prolonged. And multiple functions of active on-demand antibiosis, dynamic humidity adjustment, visual degradation tracking and full bio-based degradability are achieved.

A low basis weight, low opacity paper is disclosed. The low opacity paper is made from a fiber web containing highly refined cellulose fibers. The fiber web is coated with a bio-based wax such as coconut-based wax, palm-based wax, or soy-based wax. The resulting product may have a relatively low basis weight and relatively low opacity. Therefore, the product may have excellent transparency or translucency characteristics.

Methods are provided for defoaming water used in processing of various products such as cellulose or wood-based products or in food processing which is formed by reacting a fatty acid with a compound selected from the group consisting of ammonia, sodium, potassium and combinations thereof so as to form a water soluble soap, dispersing the water soluble soap in water and homogenizing the dispersed water soluble soap with hydrophobic oil or hydrocarbon oil to produce the emulsion. Methods for preparing an emulsion used in this process are also provided. The emulsion is advantageous in that it can improve water resistance and / or reduce the use of water resistant additives during processing of cellulose or wood-based products or food-grade products.

The present invention discloses an ecologically friendly disposable product, particularly for packaging and other diverse applications. The matrix of the product is primarily composed of moss and plant materials, offering a significant environmental benefit due to its complete biodegradability, eliminating the issue of plastic pollution and landfill. The unique composition of the product provides antibacterial, antiseptic, and anti-fungal properties, thus enhancing its shelf life and mitigating spoilage concerns. The product demonstrates impressive moisture retention capabilities lasting up to 8-12 hours, remarkable durability, remaining resistant to low temperatures, ultraviolet light, and alcohols, ensuring its functionality in a wide range of environmental conditions. This innovative product is not only highly functional but also adaptable, boasting a flexible design that caters to specific use cases. Notably, the production process includes the utilization of minimally processed nature-based ingredients from the food / wood industry side stream, maintaining the manufacturing process with low costs.

The present invention relates to a barrier red algae fiber, a method for preparing the same, and a barrier coated paper and a barrier sheet comprising the same, the barrier coated paper according to the present invention having an oxygen permeation prevention property, a better dehydration effect during a coating process than conventional nanocellulose derived from wood, and a biodegradability property, and thus being environmentally friendly.

The present invention relates to a method for coating a paper substrate comprising: i) providing a paper substrate; ii) applying to the paper substrate an aqueous barrier coating composition comprising: a) from 10 to 50 wt% of a modified cutin extract (as dry matter), wherein said modified cutin extract is obtained by thermal treatment of 5 a raw cutin extract at a temperature comprised between 40 and 120 °C; b) at least one divalent or trivalent fatty acid metal salt, wherein the weight ratio, based on the dry content, of the modified cutin extract to the at least one divalent or trivalent fatty acid metal salt is from 10:1 to 1.1:1.

A biodegradable sound-absorbing acoustic damping material and a method for producing the same are provided. The material comprises a mixture of dried seaweed powder, fine cellulose fiber raw materials, and water. The preparation of the material involves mixing all the components into a homogeneous paste, shaping the paste, and then dehydrating it to obtain a solid paste.

Disclosed are embossed, multi-ply tissue products, such as toilet paper or household towel, having embossing patterns with elements oriented substantially in the machine or cross-machine direction. The machine or cross-machine direction oriented elements are preferably line elements and more preferably continuous line elements. The embossing patterns are created using an embossing apparatus and process in which an embossing roll is provided with male elements having relatively shallow side wall angles, such as less than about 5 degrees and heights less than 1.00 mm. The embossing roll is paired with a mismatched counter roll to create an embossing nip therebetween.

The present invention relates to a barrier red algae fiber, a method for preparing the same, and a barrier coated paper and a barrier sheet comprising the same. The barrier coated paper according to the present invention not only has better oxygen barrier properties and dehydration properties during a coating process than conventional wood derived nanocellulose, but is also environmentally friendly because it has biodegradable properties.

A heat-sealable paper with low basis weight and low opacity is disclosed. The heat-sealable paper with low opacity is made from a fiber web containing highly refined cellulose fibers. The fiber web may be initially coated with a bio-based wax such as coconut-based wax. The fiber web may be coated with a coating composition that forms a heat-sealable coating on the outer surface of the coated paper. The product may have excellent transparency or translucency properties. The product also has excellent heat-sealability properties that make the product well-suited for producing packages.

The present application relates to a kind of natural osmanthus incense type micro powder lining paper perfuming method, natural osmanthus is crushed to obtain osmanthus powder, the volatile flavoring components of natural osmanthus and osmanthus powder are determined, and the loss of flavoring components is compared, the olfactory threshold of each substance is determined using three-point selection method, the key aroma-producing components with higher contribution degree of osmanthus powder loss are determined, and the transfer rate of each flavoring substance is calculated by HS-SPME-GC-MS, the transfer rate of flavoring substance obtained and the difference before and after each flavoring component loss are calculated to obtain the flavoring agent that each gram of osmanthus powder needs to supplement the key aroma-producing component composition, after dilution with anhydrous ethanol, it is sprayed on the surface of osmanthus powder;After osmanthus powder after flavoring is mixed evenly with coating liquid and is applied to the surface of cigarette lining paper, the coated lining paper is applied to cigarette production.The present application utilizes the load aroma function of osmanthus micro powder to better impart natural osmanthus incense to cigarette lining paper, and the aroma of ordinary imitation flavoring oil is more persistent.

The present application relates to a kind of preparation method of antibacterial functional complex with stable structure, impregnation liquid, impregnated paper and veneer, belong to antibacterial functional material and artificial veneer technical field.The core of the present application is to prepare a kind of high-temperature-resistant antibacterial functional complex, its method is as follows: tea polyphenol, liquorice extract and citric acid are compounded, then mixed with gelatin solution, then compounded with chitosan under pH 5.0~6.0 by electrostatic interaction, finally crosslinked by glutamine transaminase catalysis, form "electrostatic-covalent" dual stable network structure.The structure effectively encapsulates natural antibacterial active ingredient, so that it can withstand the high-temperature process of impregnation drying and hot pressing, effectively avoid decomposition.The complex is added as additive in impregnated resin, antibacterial impregnated paper and veneer can be prepared.The product has efficient, long-acting, safe antibacterial function, and the preparation process is compatible with existing impregnated paper production line, easy to realize industrial production.

The present invention relates to a process for obtaining diallyldialkylammonium halide comprising the reaction between allyl halide and dialkylamine, one or preferably both being at least partly of renewable and non-fossil origin. The invention also relates to a bio-based diallyldialkylammonium halide monomer, a bio-based polymer incorporating at least said monomer, and the use of said polymer in various technical fields.

The invention discloses a microbiological degraded Betallop simulation sample and a preparation method thereof, and belongs to the technical field of cultural relic degradation simulation. The method comprises the following steps: inoculating a specific decay-causing fungus suspension on the surface of a bay leaf simulated substrate for microbial degradation, wherein the specific decay-causing fungi comprise penicillium chrysogenum and humicola brownish black. The penicillium chrysogenum and the humicola brownish black obtained through screening have important values for researching a biological degradation mechanism of the cultural relics and developing a targeted biological prevention and control technology, and the simulation sample prepared by the method provides a standardized sample for protecting and repairing the Betashes; the method can be used for safely and efficiently verifying various reinforcing materials, mildew preventive, cleaning agent, protection process and repair technology and researching the aging mechanism, greatly reduces the risk of directly testing on precious cultural relics, and has important significance on promoting the scientific protection of plant fiber cultural relics such as Beijing.

The present invention relates to a method for manufacturing a leather-like material in sheet or plate form. According to the invention, a puree is made from the pulp and pericarp of at least one type of fruit containing water-insoluble fibers; said puree is heated to a temperature greater than or equal to 70°C and less than or equal to 140°C; at least one vegetable oil capable of polymerization and optionally at least one water-soluble polysaccharide capable of forming a gel and / or an emulsifier are added by mixing; a layer is formed with said mixture, optionally on a textile sheet, and each side of said layer is dehydrated. The invention also relates to the material obtained and to products containing this material.

A method of preparing a non-wood fiber paper reinforcement product is disclosed. The method includes placing an additive in an aqueous alkaline medium, wherein the additive includes a hydroxycarboxylic acid; and mixing a non-wood fiber material with the placed additive in the aqueous alkaline medium to form a mixture, wherein the non-wood fiber material includes starch, protein, and fiber, wherein the additive, the starch, protein, and fiber of the non-wood fiber material, and the metal ions of the alkaline medium become physically cross-linked, which produces the non-wood fiber paper reinforcement product. In aspects, the non-wood fiber paper reinforcement product is used to make a paper product, wherein the paper product has greater strength than the same paper product made with native starch or chemically modified starch instead of the non-wood fiber paper reinforcement product.

The invention provides a method for preparing aging-resistant cooked rice paper by secondary sizing with a neutral / alkaline sizing agent, belonging to the technical field of rice paper manufacturing. The method combines in-slurry sizing with surface sizing, specifically performing in-slurry sizing of AKD before adding a dispersant, carambola vine juice, so as to reduce the negative influence of anionic substances on the dispersion or adsorption of AKD in the slurry and impart excellent water resistance to the rice paper; and performing surface sizing with a neutral / alkaline surface sizing liquid during paper baking or after paper forming, coating the surface of the rice paper with a film to fill pores, and simultaneously enhancing the bonding force between fibers, thereby compensating for the defect that AKD sizing cannot improve the mechanical properties of the rice paper.