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81results about "Defoamers addition" patented technology

Low-temperature heat-sealing water-based coated paper as well as preparation method and application thereof

The invention relates to the field of packaging materials, and discloses low-temperature heat-sealing water-based coated paper and a preparation method and application thereof.The water-based coated paper comprises a base paper layer and a water-based coating, and the water-based coating comprises water-based ethylene-acrylic acid copolymer emulsion, modified nano-silica, a coalescing agent and water; a cardanol derivative is introduced into the water-based ethylene-acrylic acid copolymer emulsion as a functional component; the cardanol derivative is prepared by reacting epoxidized cardanol with 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide and then grafting with acryloyl chloride. The preparation method comprises the following steps: reacting epoxidized cardanol with 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide; the modified nano silicon dioxide is prepared by mixing aminated nano silicon dioxide and chitosan and adding a cross-linking agent prepared by grafting phytic acid and ethylene glycol diglycidyl ether. The water-based coating paper prepared by the invention overcomes the defects that the existing BOPP film is not environment-friendly, and the conventional coating paper is high in heat sealing temperature and easy to stick; meanwhile, good mechanical properties, water resistance and flame retardance are achieved.
Owner:JIANGXI RUIZE PAPER-BASED ENVIRONMENTAL PROTECTION NEW MATERIAL CO LTD

Wood-based panel surface decorative paper and preparation method therefor

PCT designated stageWO2025161064A1Defoamers additionSpecial paperEpoxyPolymer science
The present invention relates to the technical field of decorative paper, and in particular to wood-based panel surface decorative paper, comprising print base paper and an adhesive film layer covering the surface of the print base paper. The adhesive film layer is made of impregnation glue liquid. The impregnation glue liquid comprises the following raw materials in parts by weight: 75-85 parts of modified polyurethane emulsion, 5-9 parts of an epoxy resin, 6-10 parts of a filler, 4-7 parts of nanocellulose, 2-3 parts of a silane coupling agent, 1.5-2.5 parts of a film-forming auxiliary agent, 0.2-0.3 parts of a defoaming agent, and 20-30 parts of water. The wood-based panel surface decorative paper comprises print base paper and an adhesive film layer covering the surface of the print base paper; the adhesion between the adhesive film layer and the print base paper is good; and the wood-based panel surface decorative paper has good wear resistance, good water vapor resistance, good cold and hot cycle resistance, and other properties, can reduce formaldehyde emission and is environmentally friendly.
Owner:GUANGDONG FUMEI NEW MATERIAL TECH CO LTD

Mineral-based easily-recyclable compostable water-based barrier coating and preparation method thereof

The invention discloses a mineral-based easily-recyclable compostable water-based barrier coating and a preparation method thereof, and belongs to the technical field of paper-based packaging materials. The coating takes water as a carrier, and is composed of a biodegradable film forming system and a designed graded lamellar mineral system composed of three minerals with different sizes and morphologies. The mineral system comprises flaky kaolin with specific morphology and size, non-asbestos grade flaky talc and fully stripped sodium montmorillonite. A mineral sheet layer forms a compact parallel spreading barrier path in a coating through a specific coating and drying curing process, and excellent water vapor and oxygen barrier, water resistance and oil resistance are realized under the low dry weight of 8-15g / m by combining with a pH value response type reversible cross-linking system. The coating system does not contain polyvinylidene chloride and perfluoroalkyl and polyfluoroalkyl substances. The paper-based material coated with the coating is easy to defibrillate and recover under the standard alkaline warm water condition, the fiber recovery rate is high, and meanwhile, the whole material meets the industrial composting requirement.
Owner:DU BAI CHENG NEW MATERIAL TECH (SHANGHAI) CO LTD +3

Mineral-based readily recyclable compostable water barrier coating and method of making the same

The application discloses a mineral-based easily-recyclable compostable water-barrier coating and a preparation method thereof, and belongs to the technical field of paper-based packaging materials. The coating is formed by a biodegradable film-forming system and a hierarchical lamellar mineral system containing three different scales and morphologies. The mineral system contains specific morphology and size of lamellar kaolin, non-asbestos grade lamellar talc and fully exfoliated sodium montmorillonite. The mineral lamella forms a dense parallel spread barrier path in the coating through a specific coating and drying solidification process, and combines a pH value responsive reversible cross-linking system to achieve excellent water vapor and oxygen barrier properties, water resistance and oil resistance at a low dry weight of 8-15 g / m2. The coating system does not contain polyvinylidene chloride and perfluoro and polyfluoro alkyl substances. The paper-based material coated with the coating is easily defibered and recycled under standard alkaline warm water conditions, and the fiber recovery rate is high, and meanwhile, the whole material meets the industrial composting requirements.
Owner:DU BAI CHENG NEW MATERIAL TECH (SHANGHAI) CO LTD +3

Damp-proof corrugated board and production process thereof

The invention provides a moisture-proof corrugated board and a production process thereof. The moisture-proof corrugated board comprises inner paper, core paper and surface paper which are sequentially arranged, and the surfaces of the inner paper and the core paper are coated with moisture-proof coatings; the invention relates to a preparation method of an anti-aging agent. The moisture-proof coating is prepared from the following raw materials: 35 to 45 parts of waterborne acrylic resin, 10 to 16 parts of fluorine modified shape memory polyurethane, 8 to 12 parts of waterborne polyurethane dispersion, 4 to 8 parts of bamboo charcoal loaded nano silver-zinc oxide composite particles, 3 to 6 parts of hydrophobic nano silicon dioxide, 5 to 9 parts of chitosan modified nano cellulose, 1.5 to 2.5 parts of silane coupling agent, 0.8 to 1.2 parts of dispersing agent, 0.2 to 0.4 part of defoaming agent and 0.5 to 0.9 part of wetting leveling agent. The corrugated board provided by the invention has excellent moisture resistance, mildew resistance and structural stability.
Owner:杭州永晶科技有限公司

High-temperature-resistant masking paper and preparation process thereof

The invention provides high-temperature-resistant textured paper and a preparation process thereof, and belongs to the technical field of textured paper. The preparation process comprises the following steps: preparing the raw paper; preparing a gum dipping solution; and impregnating the raw paper. The preparation method comprises the following steps: by taking p-vinylbenzoic acid and 2-vinylpyridine as functional monomers, mixing the p-vinylbenzoic acid and 2-vinylpyridine with styrene, butadiene and tert-dodecanethiol, adding the mixture into an emulsifier solution, emulsifying to prepare a pre-emulsion, then carrying out copolymerization under the initiation of potassium persulfate to prepare modified styrene-butadiene latex, and introducing carboxyl to form a strong hydrogen bond, so as to obtain the modified styrene-butadiene latex. According to the modified styrene-butadiene latex, the action force between molecular chains is remarkably enhanced, polar nitrogen atoms of pyridine rings and polar groups in adjacent molecular chains can form dipole interaction, the binding force between molecules is enhanced, and then the thermal stability of the styrene-butadiene latex is improved. The high temperature resistance of the prepared masking paper can be effectively improved.
Owner:ZHEJIANG SMITH SPECIAL PAPER CO LTD

Organosilicon defoamer and process for the preparation thereof

Highly active defoamer compositions which are storage stable and maintain their defoaming efficiency for extended times even in harsh chemical environments are prepared by an aqueous base-catalyzed condensation of a hydroxy-terminated polyorganosiloxane, a silicone resin bearing hydroxy groups or hydroxy-reactive groups, and hydrophilic silica. The condensation takes place at a temperature of 80°C to less than 130°C, and the reaction viscosity is monitored to determine an appropriate time to add the hydrophilic silica.
Owner:WACKER CHEMIE AG

Emulsion foam reducer for wet processing of cellulose or wood-based products or in food processing

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.
Owner:STATE LINE HOLDINGS LLC

Two-component epoxy dip-coating paint for strong-permeation boiling-resistant water-based textile paper tube and preparation method of two-component epoxy dip-coating paint

The invention discloses a bi-component epoxy dip-coating paint for a strong-permeation boiling-resistant water-based textile paper tube and a preparation method of the bi-component epoxy dip-coating paint, and belongs to the technical field of water-based paints. The coating is composed of a component A and a component B, wherein the component A is a composite wetting penetrant composed of a self-emulsifying submicron waterborne epoxy dispersion, dioctyl sodium sulfosuccinate and an acetylene glycol surfactant; and the component B is a quick-drying water-soluble modified polyamine curing agent added with a reactive curing accelerator. Through the cooperation of the small-particle-size epoxy dispersoid and the composite wetting penetrant, the technical problems that a traditional water-based paint is poor in permeability to paper tube fibers and weak in adhesive force are solved; meanwhile, through the synergistic effect of the quick-drying curing agent and the accelerant, the drying time is shortened. The coating has the characteristics of low VOC (volatile organic compound) content, environmental protection, safety, high permeability to paper tube base materials, high drying speed and excellent adhesive force, and a compact paint film formed after curing has saturated water vapor cooking resistance.
Owner:CHANGZHOU GUANGHUI CHEM

Coated gift packaging paper and preparation method thereof

PendingCN121047165ADefoamers additionWrappersPolymer scienceGift wrapping
The invention discloses a preparation method of coated gift packaging paper. The preparation method comprises the following operation steps: S1, pulping: respectively pulping bleached sulfate softwood chemical pulp, bleached sulfate broadleaf wood chemical pulp and alkaline hydrogen peroxide bleached poplar chemimechanical pulp, and mixing to form mixed pulp; s2, auxiliary material adding, wet paper sheet forming and pre-drying; s3, coating and sizing are conducted, specifically, the front face and the back face of the paper sheet are coated with a coating respectively, and the coating comprises coating-grade light calcium carbonate, coating-grade talcum powder, a dispersing agent, sodium hydroxide, modified acrylic copolymer emulsion, polyvinyl acetate latex, coating starch, sodium carboxyl cellulose, a lubricating agent and a defoaming agent; s4, carrying out post-drying and carrying out super-soft calendering treatment by adopting eight rollers and seven pressing areas; the invention also provides the coated gift packaging paper prepared by adopting the preparation method, the smoothness of the coated gift packaging paper is greater than 1200s, the roughness of the coated gift packaging paper is less than 1.2 microns, and the coated gift packaging paper completely meets the requirements of the coated gift packaging paper for absorbing and drying gravure or flexographic printing water-based ink.
Owner:YUEYANG FOREST & PAPER CO LTD

Porous paper-based finishing material and preparation method thereof

The present invention provides a porous paper-based decorative material and a preparation method thereof. The preparation method comprises: S100, separately preparing a porous paper base, an anti-mildew coating, and a decorative coating; S200, applying the anti-mildew coating to the paper base and performing a first heat treatment to form an anti-mildew layer on the porous paper base; S300, applying the decorative coating to the anti-mildew layer and performing a second heat treatment to form a decorative layer on the anti-mildew layer, thereby obtaining the porous paper-based decorative material. The porous paper base comprises hollow silica particles, the anti-mildew coating comprises chitosan, and the decorative coating comprises sodium alginate. The temperature of the first heat treatment is 80°C to 90°C, and the temperature of the second heat treatment is 100°C to 110°C. The present invention can produce a porous paper-based decorative material with good mechanical strength and resistance to mildew.
Owner:ZHEJIANG GRANDRICH PAPER

Silicone oil modified polyether defoaming agent as well as preparation method and application thereof

The invention discloses a preparation method of a silicone oil modified polyether defoaming agent, which is characterized in that alkynol (EO / PO type) block polyether and allyl alcohol (PO / EO type) block polyether are subjected to addition reaction under the action of a catalyst to generate the silicone oil modified polyether defoaming agent. The silicone oil modified polyether defoaming agent disclosed by the invention has the characteristics of high foam breaking speed and long foam inhibition period; the defoaming agent provided by the invention has the advantages of high temperature resistance, excellent chemical stability and excellent compatibility, and compared with a traditional polyether defoaming agent, the defoaming agent provided by the invention can achieve a better defoaming effect under the condition of a relatively low addition amount.
Owner:YINGDELIANGSHI IND MATERIALS

A strong penetration and retort resistant two-component epoxy dip coating for water-based textile paper tubes and a method for its preparation

The application discloses a kind of strong penetration cooking-resistant type water-based textile paper tube two-component epoxy dip coating and preparation method thereof, belong to water-based paint technical field.The coating is composed of A component and B component, A component uses the composite wetting penetrant that self-emulsifying submicron water-based epoxy dispersion and sulfobutane acid dioctyl sodium salt, acetylene glycol surfactant are composed of;B component selects fast-drying water-soluble modified polyamine curing agent, adds reactive curing accelerator.By the synergy of small particle size epoxy dispersion and composite wetting penetrant, the technical problem that traditional water-based paint is poor in paper tube fiber permeability, weak adhesion is solved;At the same time, through the synergistic effect of fast-drying curing agent and accelerator, the drying time is shortened.The coating has the characteristics of low VOC content, environmental protection safety, strong penetration to paper tube substrate, fast drying speed, excellent adhesion, and the dense paint film formed after curing has the performance of saturated water vapor cooking resistance.
Owner:CHANGZHOU GUANGHUI CHEM

Carbon fiber raw paper for fuel cell and method for manufacturing the same

The application relates to the technical field of paper for fuel cells, and particularly discloses carbon fiber raw paper for fuel cells and a preparation method thereof, which comprises the following components: 100 parts (70-95 parts of short-cut carbon fibers and 5-30 parts of water-soluble fibers) of fibers, 40-50 parts of dispersant A, 50-100 parts of dispersant B and 0.5-1 part of defoaming agent; after the short-cut carbon fibers and the water-soluble fibers are defibrated, the dispersant A is added for mixing and high-speed stirring to complete foam dispersion, water is added for dilution to first-concentration carbon fiber slurry; the defoaming agent is added for first-time stirring to obtain carbon fiber dispersion slurry; the remaining dispersant A and the dispersant B are added for second-time stirring, water is added for dilution to second-concentration carbon fiber slurry; the second-concentration carbon fiber slurry is used for papermaking to obtain the carbon fiber raw paper for fuel cells. The carbon fibers are prone to occur in the dispersion process, the phenomenon of silk and flocculation is solved, the paper uniformity is good, the tensile strength is high, the carbon fiber raw paper for fuel cells is used for fuel cells, and the important index requirements of porosity and resistance and the like are met.
Owner:CHINA NAT PULP & PAPER RES INST CO LTD +1

Spatial reticular silicon paste type defoaming agent as well as preparation method and application thereof

The invention discloses a spatial reticular silicon paste type defoaming agent as well as a preparation method and application thereof. The preparation method comprises the following steps: putting fluorine-containing ethynyl MQ silicon resin, hydrogen-containing silicone oil, hydroxyl silicone oil, hydrophobic SiO2 and dimethyl silicone oil into a reaction kettle, carrying out nitrogen protection, stirring and heating to 65-90 DEG C, adding chloroplatinic acid, carrying out an addition reaction for 0.5-2 hours, then adding a base catalyst, continuing to heat to 120-140 DEG C, carrying out a condensation polymerization reaction for 2-4 hours, cooling and discharging to obtain spatial reticular silicon paste; mixing the spatial reticular silicon paste, the polyether modified silicone oil, polyether and the emulsifier, stirring and heating to 55-65 DEG C, adding deionized water for phase inversion emulsification, cooling, adding deionized water, and adding the thickener to obtain the spatial reticular silicon paste type defoaming agent. Compared with the traditional silicon paste type defoaming agent in papermaking pulping, especially chemical pulping, the defoaming agent prepared by the invention has the characteristics of high black liquor defoaming speed, good foam inhibition property, good pulp washing water filtration property, no toxicity, no harm and simple preparation process.
Owner:ZHEJIANG TRANSFAR WHYYON CHEM

50-200g / m < 2 > flame-retardant wood pulp paper and flame-retardant mixed pulp paper and dual-process preparation method thereof

The invention discloses two types of 50-200g / m < 2 > flame-retardant paper, namely flame-retardant wood pulp paper and flame-retardant mixed pulp paper, the two types of paper adopt completely different fiber base materials, and the formula composition, the preparation process and the performance difference are obvious. The flame-retardant wood pulp paper takes wood pulp as a base material, adopts a phosphorus-nitrogen cross-linked flame-retardant system, is matched with an accurate chemical auxiliary agent ratio, has high breakage resistance, high stiffness and high flame-retardant grade, and is suitable for archive envelopes and high-end packages; the flame-retardant mixed pulp paper takes regenerated mixed pulp as a base material, adopts a synergistic adsorption flame-retardant system, is flexible and folding-resistant, is low in cost, and is suitable for universal scenes such as roll skins, envelopes, paper bags and the like. The gradient formula is designed for the full gram weight interval of 50-200 g / m < 2 >, the dosage of the flame retardant and the auxiliary agent is precisely increased along with the gram weight, the paper is self-extinguished when being away from fire, dripping is avoided, halogen is avoided, the paper is environmentally friendly, the formula and the process are designed in a closed-loop mode, the technical barrier is high, imitation is difficult, and the method is suitable for industrial mass production and intellectual property protection.
Owner:HEBEI MODA PAPER CO LTD

Anti-fake coated cigarette card paper and its production process

The application belongs to the technical field of papermaking, and particularly relates to a domestic fiber anti-fake coated cigarette card paper and a production process thereof. The domestic fiber anti-fake coated cigarette card paper comprises a base paper layer, a coating layer and a back adhesive layer. The base paper comprises a surface layer, a core layer and a bottom layer. The anti-fake domestic fiber accounts for 4-6% of the surface layer, 1-3% of the core layer and 6-9% of the bottom layer. The coating layer is coated on the surface layer and is divided into three layers, i.e., a pre-coating layer, a middle coating layer and a surface coating layer. The back adhesive layer is coated on the bottom layer. The application adds the anti-fake domestic fiber with different proportions in three layers to form a unique texture on the paper plane. The three-dimensional fiber texture with different levels and different brightness can be observed through light. The anti-fake fiber on the surface layer of the paper surface is greater than or equal to 50 per 55*22 mm, and the anti-fake fiber on the bottom layer is greater than or equal to 140 per 55*22 mm. The prepared coated cigarette card paper can be effectively distinguished from ordinary white card paper and has the anti-fake function.
Owner:SHANDONG BOHUI PAPER INDUSTRY CO LTD

High-temperature-resistant mica plate and preparation process thereof

The invention relates to the technical field of mica plates, and discloses a high-temperature-resistant mica plate and a preparation process thereof, and the high-temperature-resistant mica plate is formed by hot-pressing a plurality of layers of mica paper, and a glue solution I, a glue solution II and a glue solution III which are sequentially coated; wherein the first glue solution contains organic resin and flame-retardant filler, the second glue solution contains aluminum dihydrogen phosphate, and the third glue solution contains low-melting-point glass powder. The preparation process comprises the following steps: respectively preparing three glue solutions; impregnating mica paper in the glue solution, and drying for the first time to obtain semi-cured mica paper; dipping in the glue solution II and drying for the second time to form an inorganic transition layer; then dipping in a glue solution III and drying for the third time to obtain a composite dipping prepreg; and finally, stacking the prepreg, and carrying out hot-pressing curing and post-treatment at high temperature and high pressure. According to the invention, a compact ceramic skeleton can be formed in situ at high temperature, the problems of pyrolysis failure of organic glue and falling of mica sheets are solved, and the moisture-proof insulating property is good.
Owner:SUZHOU SUJUE ELECTRICIAN MATERIAL CO LTD

Water-resistant bobbin body paper and process thereof

The invention provides water-resistant bobbin base paper and a process thereof, and the bobbin base paper comprises the following components in parts by weight: 80-120 parts of a natural wood fiber raw material, 3-9 parts of chitosan, 4-12 parts of a waterproof emulsion, 3-9 parts of a treating agent, 2-6 parts of a defoaming agent, 1-3 parts of a sterilizing agent and 2-4 parts of a cross-linking agent, the natural wood fiber raw material is one or a mixture of more of commercial paper pulp, waste paper and straw agricultural wastes; the commercial paper pulp is one or more mixed pulp of bleached softwood pulp, bleached hardwood pulp, dissolving pulp or unbleached paper pulp, the preparation process is simple, the prepared bobbin body paper has the advantages of high strength, water resistance and easiness in printing, meanwhile, the bobbin body paper also has excellent waterproof performance, and the service life of a bobbin paper product is prolonged.
Owner:LONGYOU COUNTY JINLONG PAPER

Method for preparing cardboard paper from composite mineral fibers

The invention relates to the technical field of papermaking, and discloses a method for preparing cardboard paper by using composite mineral fibers, which comprises the following steps: dispersion and micro-nano treatment of attapulgite, preparation of a chitosan-attapulgite composite material, preparation of composite mineral fibers, paper pulp mixing and papermaking. Through micro-nanocrystallization treatment of attapulgite and coating modification of chitosan, the binding force of the composite mineral fiber and the paper pulp fiber is remarkably enhanced, and the mechanical properties such as tightness, burst index and ring crush index of finished paper are superior to those of standard requirements; besides, by adding the composite mineral fibers, fine fibers in the white water are removed, the fiber retention rate is increased, part of paper pulp fibers can be replaced, use of chemical auxiliary materials is reduced, the production cost is reduced, the production efficiency and the finished paper quality are improved, and the clean papermaking purposes of quality improvement, efficiency improvement and pollution reduction are achieved. Therefore, considerable economic benefits and social benefits are obtained.
Owner:JIANGSU LEE & MAN PAPER MFG

Anti-foaming additive composition

The present invention relates to an anti-foaming additive composition comprising water, at least one anti-foaming agent, at least one surfactant and at least one retentive agent; the present invention relates also to method for abating foam formation by using said anti-foaming additive composition in a papermaking process.
Owner:CARBOCHEM SRL

A paper coating material, its preparation method and application

The application provides a paper coating paint, a preparation method and application thereof, and the paper coating paint comprises the following raw materials in parts by weight: calcined kaolin 15-25 parts, alkaline nano silica gel 10-15 parts, modified bentonite 20-25 parts, coating-grade talc powder 30-40 parts, high-gloss acrylic resin 2-5 parts, soybean protein 1-3 parts, SB styrene-butadiene latex 10-14 parts, ammonia water 0.05-0.2 parts, potassium zirconium carbonate water-resistant agent 0.2-0.6 parts, mineral oil defoaming agent 0.05-0.2 parts, polyacrylic acid sodium dispersant 0.05-0.15 parts, and water 30-50 parts. The paper coating paint in the application can be coated on line during paper (board) production, and meanwhile, the technical requirements of UV ink jetting code and water-based ink jetting code can be met.
Owner:ASIA PACIFIC SENBO (JIANGSU) PULP & PAPER CO LTD

Impregnating emulsion for scratch-resistant formaldehyde-free impregnated decorative paper and preparation method of impregnating emulsion

The invention relates to the technical field of material processing, in particular to an impregnating emulsion for scratch-resistant formaldehyde-free impregnated decorative paper and a preparation method of the impregnating emulsion. Comprising the following components in parts by weight: 50 to 70 parts of organic silicon modified polyurethane-acrylate resin, 30 to 40 parts of acrylamide monomers, 2 to 8 parts of nano-hydroxyapatite, 2 to 5 parts of a curing agent, 0.01 to 0.03 part of a defoaming agent, 0.01 to 0.05 part of a base material wetting agent and 30 to 45 parts of deionized water. All the components of the prepared adhesive are free of free formaldehyde, and the adhesive product is free of free formaldehyde release, so that the formaldehyde-free impregnation of the impregnated decorative paper is realized. Organic silicon is used for modifying polyurethane-acrylate emulsion, the solid content of the polyurethane-acrylate emulsion is properly increased, the glue absorption amount of the impregnated decorative paper can be increased, and acrylamide monomers are introduced, so that the impregnated decorative paper can rapidly permeate into the interlayer of decorative base paper at room temperature and is self-crosslinked and cured at high temperature, and the interlayer bonding strength of the paper layers of the impregnated decorative paper is improved.
Owner:INST OF WOOD INDUDTRY CHINESE ACAD OF FORESTRY

Defoaming agent and composition containing same

The present disclosure relates to a method of treating an aqueous foamable medium, such as a process stream of a pulping and paper mill, comprising contacting the aqueous process stream with a defoaming agent comprising: a) at least one C12 to C40 Guerbet alcohol; and / or b) at least one polyol ester.
Owner:SOLENIS TECHNOLOGIES CAYMAN LP

A multi-element composite papermaking filler coating treatment agent, a preparation method and application thereof

The application provides a multi-element composite papermaking filler coating treatment agent, a preparation method and application thereof, and belongs to the papermaking filler treatment field. The preparation method of the multi-element composite papermaking filler coating treatment agent comprises the following steps: a polymerization reaction, preparation of a first component, and preparation of a second component. The multi-element composite papermaking filler coating treatment agent, the preparation method and application thereof can effectively improve the retention rate of papermaking fillers in paper and the single-pass retention rate of papermaking, improve the distribution uniformity and bonding state of the papermaking fillers in paper, and avoid the adverse effects of a large amount of papermaking fillers on the performance of paper. While increasing the content of papermaking fillers in paper, the mechanical performance, printing performance of paper are simultaneously improved, the drainage and running performance of a paper machine are improved, and the high-temperature storage stability of the papermaking filler dispersion liquid after coating treatment is improved.
Owner:WEIFANG TIANFANG SHENGHONG CHEM CO LTD +1

Easily degradable corrugated paper auxiliary and preparation method thereof

The application relates to a degradable corrugated paper auxiliary and a preparation method thereof, and belongs to the technical field of packaging materials. The auxiliary comprises, in terms of weight parts, 50 parts of oxidized starch, 6-8 parts of a modified reinforcing agent, 0.5-0.7 parts of a thickening agent, 0.15-0.2 parts of a dispersing agent, 0.1-0.13 parts of an antifoaming agent, 0.02-0.03 parts of a mildew-proof agent and 90-100 parts of water; in the process of sizing and curing, the ethoxysilane of the side chain of the modified reinforcing agent is coupled and condensed with the hydroxyl of the paper fiber, the main chain of the ethoxysilane is clamped in the macromolecular chain of the starch, rivet action is generated, the binding strength between the paper fibers is increased, the paper fibers are not prone to cracking in the bending process, in addition, in the process of coupling and condensation, a fluorine-containing organic silicon water-resistant layer is uniformly introduced to the surface of the paperboard substrate, and the water-resistant stability of the paperboard is effectively improved.
Owner:LIJIA PACKAGING (DONGGUAN) CO LTD +1

Body paper based on biomass conversion material and preparation method thereof

The invention discloses raw paper based on a biomass conversion material and a preparation method of the raw paper, and relates to the technical field of papermaking. Biomass fibers and a modifying reagent react to prepare modified biomass fibers, an inorganic filler is modified to obtain a modified filling component, the modified biomass fibers and the inorganic filler are matched with an adhesive component, a defoaming agent, a preservative and a softening agent, and the raw paper based on the biomass conversion material is prepared. Most of the raw materials used by the raw paper are biomass conversion materials, so that the raw paper is green, environment-friendly and biodegradable, has better mechanical properties and water resistance, and has higher popularization and application values.
Owner:WUXI TELIS NEW MATERIAL TECH CO LTD

Manufacturing method of low-formaldehyde scratch-resistant veneer impregnated paper

The invention discloses a manufacturing method of low-formaldehyde scratch-resistant veneer impregnated paper, which comprises the following steps: S1, raw paper pretreatment: selecting decorative raw paper with a fixed quantity of 60-120 g / m, and carrying out preheating treatment at 80-120 DEG C for 3-8 minutes so as to remove moisture in the paper and activate fiber surface activity; s2, preparation of a low-formaldehyde resin glue solution: mixing the matrix resin with the modifier, adding a curing agent and an auxiliary agent, and stirring and homogenizing to obtain the low-formaldehyde resin glue solution with the solid content of 45-65% and the free formaldehyde content of less than or equal to 0.1%. By adopting a modified low-formaldehyde resin system and combining with optimized process control, the formaldehyde emission of a final product can be stably controlled at E0 level or even higher standard and is far lower than the national standard, and the most stringent environmental protection requirement is met; the product is particularly suitable for high-end customized furniture, children rooms, hospitals, schools and other places with extremely high requirements for environmental protection and durability, and the market potential is huge.
Owner:CHANGZHOU WEIXING DECORATIVE MATERIALS +1