185results about "Vegetable material addition" patented technology

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 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.

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 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.

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 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 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.

The invention discloses a compound herbal hollow paper tube as well as a preparation method and application thereof. The preparation method comprises the following steps: selecting medicinal and edible Chinese herbal medicines as main raw materials; selecting other formulas of papermaking materials; processing the Chinese herbal medicine raw materials and papermaking materials into compound herbal paper; the compound herbal paper is rolled into a compound herbal paper blank pipe. The compound herbal paper hollow pipe is prepared by adopting the preparation method of the compound herbal paper hollow pipe. According to the application, the paper hollow tube is filled with materials based on the compound herbal paper hollow tube. According to the application, medicinal and edible plants are mainly used as raw materials of compound herbs, paper with different characteristics is prepared from compatible raw materials of various traditional Chinese medicine herbal compounds and papermaking materials, and the paper blank pipe is prepared based on the paper, so that the paper blank pipe has a process suitable for manufacturing a product; the production technology is mature, the process is simple, the production cost is low, and products are diversified.

The present invention relates to an environmentally harmonious oil-resistant agent capable of imparting sufficient oil resistance using a natural material as a biomass material. In the oil-resistant agent, hydrogen atoms of hydroxyl groups in a natural product containing at least one hydroxyl group are substituted by R groups. In the formula, the R group is a group represented by-Y-Z (in the formula, Y is a direct bond,-C (= O)-,-C (= O)-NR '-or-C (= S)-NR'-(where R 'is a hydrogen atom or an alkyl group having C1-C4 carbon atoms, and Z is an optionally substituted hydrocarbon group having 1-40 carbon atoms, or a polysiloxane). The natural product is preferably cellulose, dextrin, glycerol or polyglycerol.

The invention discloses long-acting slow-release antibacterial preservative paper based on Pickering emulsion and a preparation method of the long-acting slow-release antibacterial preservative paper. The long-acting slow-release antibacterial preservative paper comprises a paper-based carrier and an antibacterial functional layer, wherein the surface of the paper-based carrier is coated with the antibacterial functional layer; the antibacterial functional layer is formed by mixing a Pickering emulsion and a polyvinyl alcohol / gelatin composite base material to form a film; the Pickering emulsion is prepared by taking Tempo oxidized nanocellulose and ethyl lauroyl arginate hydrochloride water suspension as a water phase and performing ultrasonic emulsification on the water phase and origanum vulgare essential oil according to an oil-water volume ratio of 1: 9; wherein the mixing ratio of the Pickering emulsion to the composite base material is (30 to 50): 50; the mass percent concentration of the Tempo oxidized nanocellulose in the water-phase suspension liquid is 0.2 wt%, and the mass percent concentration of the ethyl lauroyl arginate hydrochloride in the water-phase suspension liquid is 0.01 wt%. Through material innovation and process optimization, the antibacterial property, the slow release property, the environmental protection property and the industrial application are remarkably superior to those of the prior art, and an efficient and reliable solution is provided for green packaging in the fields of food, medicine and the like.

The invention discloses high-temperature-resistant microcapsule perfume silicone oil coating baking paper and a preparation method thereof, and relates to the technical field of baking paper, the high-temperature-resistant microcapsule perfume silicone oil coating baking paper comprises baking paper, the surface of the baking paper is coated with a silicone oil coating, and perfume microcapsules are arranged all over the interior of the silicone oil coating. The perfume is stably encapsulated in the polymer wall material through a microcapsule technology, so that the perfume can be continuously released in a high-temperature baking process, and the problem that the perfume of the traditional baking paper volatilizes too fast is solved. Due to the design of the microcapsules, the perfume gradually releases fragrance under a high-temperature condition, so that the durability and the stability of the perfume are improved. The spice microcapsules can be gradually broken when being heated to release spice components in the spice microcapsules, so that aroma can be uniformly and continuously diffused into food in the whole baking process, the aroma effect of the food is enhanced, and the overall flavor of the food is improved.

The invention discloses a coating for enhancing aroma and preventing tobacco shreds of a heated cigarette from falling off, cigarette paper and the heated cigarette, and the coating is prepared from plant raw materials through the following method: (1) carrying out high-temperature pyrolysis reaction on the plant raw materials to obtain a pyrolysis semi-coke composition and a volatile composition; and (2) condensing the volatile composition to obtain the coating. Coating the coating on the inner surface of a paper base material to form cigarette paper, wherein the cigarette paper is used in a heated cigarette; in the smoking state of the heated cigarette, the temperature of smoke generated by heating is transmitted to the coating layer, so that the coating layer is bonded with the aerosol generating matrix, and the aroma enhancement is realized and the aerosol generating matrix in the heated cigarette is prevented from falling off. Moreover, peculiar smell cannot be generated, the falling rate of the fuming substrate is reduced, and the fuming substrate cannot be adhered to the heating body of the heating smoking set, so that the service life of the heating body and the heating smoking set is prolonged.

The present invention concerns sugar beet pulp which is capable of absorbing and / or holding an amount of water that is at least 14 times the dry weight of the sugar beet pulp.The present invention further concerns a method for improving the water absorption capacity and / or water holding capacity of sugar beet pulp, comprising the steps of:(a) providing sugar beet material;(b) optionally extracting mono- and disaccharides from the sugar beet material provided in step (a) at a temperature below 75° C. to provide spent sugar beet pulp;(c) subjecting the sugar beet material provided in step (a) or the spent sugar beet pulp provided in step (b) to a heating step at a temperature of at least 85° C. to obtain sugar beet pulp with improved water absorption capacity and / or water holding capacity;(d) optionally removing mono- and disaccharides from the sugar beet pulp obtained in step (c).

The present invention is applicable to the technical field of decorative paper and provides a multifunctional decorative paper and a preparation method thereof. The raw materials of the multifunctional decorative paper include base paper and an impregnating material. The impregnating material includes the following raw materials: vinyl ester resin, water-based polyurethane, filler, flame retardant, modified lignin, heat stabilizer, modified polyvinyl alcohol, anti-ultraviolet agent, and antibacterial agent. The multifunctional decorative paper provided by the present invention is impregnated with the impregnating material, and modified lignin is added to the impregnating material to improve the hydrophobicity of the material and form a waterproof film layer on the surface of the decorative paper. By adding modified polyvinyl alcohol, the multifunctional decorative paper has good hydrophobic ability and forms a cross-linked dense mesh hydrophobic film with good waterproof effect, which prevents the decorative paper from water ingress and moisture. By adding fillers, the wear resistance and mechanical properties are improved. By adding flame retardants, anti-ultraviolet agents, and antibacterial agents, the decorative paper has flame retardant, sun protection, anti-aging, and antibacterial functions.

The invention relates to a composition for providing barrier properties for a cellulosic fibre web, such as paper, board or the like. The coating composition comprises microfibrillated non-wood biomass, having a particle size D90<250 μm and particle size D50<100 μm, which microfibrillated non-wood biomass comprises at least 5 weight-% of a hemicellulose fraction and / or pectin, calculated from the dry weight of the microfibrillated non-wood biomass; an auxiliary agent comprising at least one cellulose derivative, and / or a synthetic binding agent, such as polyvinyl alcohol or polystyrene acrylate copolymer.

The present invention relates to a sheet material having desiccant properties, comprising a base material and a hygroscopic material. The invention also relates to a pack comprising the sheet material, which may be used to hold a consumable for use in a non-combustible aerosol provision system. Methods of preparing the sheet material and uses thereof are also provided.

The invention belongs to the technical field of degradable materials, and provides seed paper as well as a preparation method and application thereof. The seed paper provided by the invention comprises a paper base and a seed layer, and the seed layer comprises a water-soluble natural polysaccharide cross-linked network and seeds. The natural and degradable water-soluble cross-linked polysaccharide can replace industrial glue, the hardness, supporting force and repeated folding resistance of the seed paper are improved, the binding force of the paper base and the seed layer is good, the seed layer is not prone to falling off and peeling, and seeds are distributed and fixed in a water-soluble natural polysaccharide cross-linked network structure and not prone to falling off. When the seed paper is used, when the seed paper is put into water, the water-soluble cross-linked polysaccharide can be rapidly dissolved in water, nutrients are provided for growth of seeds, and the germination efficiency of the seeds is improved. In addition, the raw materials adopted by the seed paper are degradable, safe and environment-friendly.

A system comprising a pulper configured to (i) receive a surfactant, a liquid, and a fibrous stock and (ii) produce a foam suspending the fibrous stock, wherein the foam has a half-life; a headbox configured to contain the foam-suspended fibrous stock from the pulper and displace the foam-suspended fibrous stock onto a forming wire, wherein the time required for the foam-suspended fibrous stock to move from the pulper to the headbox is less than the half-life; and a foam return device that removes at least some of the foam from the forming wire and returns the at least some of the foam to the pulper.