CN114592376A - Bio-based surface sizing auxiliary agent, raw material composition and preparation method thereof - Google Patents
Bio-based surface sizing auxiliary agent, raw material composition and preparation method thereof Download PDFInfo
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- CN114592376A CN114592376A CN202210144521.9A CN202210144521A CN114592376A CN 114592376 A CN114592376 A CN 114592376A CN 202210144521 A CN202210144521 A CN 202210144521A CN 114592376 A CN114592376 A CN 114592376A
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- CN
- China
- Prior art keywords
- hemicellulose
- surface sizing
- bio
- raw material
- based surface
- Prior art date
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- 238000004513 sizing Methods 0.000 title claims abstract description 34
- 239000000203 mixture Substances 0.000 title claims abstract description 19
- 239000002994 raw material Substances 0.000 title claims abstract description 19
- 239000012752 auxiliary agent Substances 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 229920002488 Hemicellulose Polymers 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000000178 monomer Substances 0.000 claims abstract description 21
- 239000003999 initiator Substances 0.000 claims abstract description 18
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 11
- 239000000126 substance Substances 0.000 claims abstract description 10
- 230000002378 acidificating effect Effects 0.000 claims abstract description 7
- 239000002270 dispersing agent Substances 0.000 claims abstract description 7
- 239000003607 modifier Substances 0.000 claims abstract description 3
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 10
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 10
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 claims description 9
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 9
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 8
- 239000002028 Biomass Substances 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 230000001804 emulsifying effect Effects 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- -1 polymannose Proteins 0.000 claims description 6
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 6
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 6
- 239000011734 sodium Substances 0.000 claims description 6
- 229910052708 sodium Inorganic materials 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- NQSLZEHVGKWKAY-UHFFFAOYSA-N 6-methylheptyl 2-methylprop-2-enoate Chemical compound CC(C)CCCCCOC(=O)C(C)=C NQSLZEHVGKWKAY-UHFFFAOYSA-N 0.000 claims description 5
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 5
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 4
- 239000011790 ferrous sulphate Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 4
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 4
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 4
- 239000000600 sorbitol Substances 0.000 claims description 4
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 claims description 4
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 3
- 108090000790 Enzymes Proteins 0.000 claims description 3
- 102000004190 Enzymes Human genes 0.000 claims description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 3
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 229920002125 Sokalan® Polymers 0.000 claims description 3
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 3
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 3
- 229940088598 enzyme Drugs 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000004584 polyacrylic acid Substances 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims description 2
- GWZMWHWAWHPNHN-UHFFFAOYSA-N 2-hydroxypropyl prop-2-enoate Chemical compound CC(O)COC(=O)C=C GWZMWHWAWHPNHN-UHFFFAOYSA-N 0.000 claims description 2
- CFVWNXQPGQOHRJ-UHFFFAOYSA-N 2-methylpropyl prop-2-enoate Chemical compound CC(C)COC(=O)C=C CFVWNXQPGQOHRJ-UHFFFAOYSA-N 0.000 claims description 2
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical compound CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 claims description 2
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 claims description 2
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 2
- 108010059820 Polygalacturonase Proteins 0.000 claims description 2
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 230000003113 alkalizing effect Effects 0.000 claims description 2
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 claims description 2
- 229910001863 barium hydroxide Inorganic materials 0.000 claims description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 2
- 239000000920 calcium hydroxide Substances 0.000 claims description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 2
- KBLWLMPSVYBVDK-UHFFFAOYSA-N cyclohexyl prop-2-enoate Chemical compound C=CC(=O)OC1CCCCC1 KBLWLMPSVYBVDK-UHFFFAOYSA-N 0.000 claims description 2
- 229940059442 hemicellulase Drugs 0.000 claims description 2
- 108010002430 hemicellulase Proteins 0.000 claims description 2
- PBOSTUDLECTMNL-UHFFFAOYSA-N lauryl acrylate Chemical compound CCCCCCCCCCCCOC(=O)C=C PBOSTUDLECTMNL-UHFFFAOYSA-N 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 2
- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical compound CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 claims description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 2
- 229910001379 sodium hypophosphite Inorganic materials 0.000 claims description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulphite Substances [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 2
- SJMYWORNLPSJQO-UHFFFAOYSA-N tert-butyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC(C)(C)C SJMYWORNLPSJQO-UHFFFAOYSA-N 0.000 claims description 2
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 claims description 2
- 230000002255 enzymatic effect Effects 0.000 claims 2
- 239000002131 composite material Substances 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000011436 cob Substances 0.000 description 3
- 239000010893 paper waste Substances 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- ONJQDTZCDSESIW-UHFFFAOYSA-N polidocanol Chemical compound CCCCCCCCCCCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO ONJQDTZCDSESIW-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 235000005078 Chaenomeles speciosa Nutrition 0.000 description 1
- 240000000425 Chaenomeles speciosa Species 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 235000019864 coconut oil Nutrition 0.000 description 1
- 239000003240 coconut oil Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001254 oxidized starch Substances 0.000 description 1
- 235000013808 oxidized starch Nutrition 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
- D21H17/72—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic material
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
Abstract
The invention discloses a bio-based surface sizing auxiliary agent, a raw material composition and a preparation method thereof, wherein the bio-based surface sizing auxiliary agent comprises the following components in parts by weight: 1 part of hemicellulose and derivatives or modifiers thereof, 0.1-0.2 part of emulsifier, 0.1-0.5 part of soft monomer, 0.015-0.05 part of initiator, 0.02-0.05 part of acidic substances, 0.01-0.1 part of dispersant and 1.5-5 parts of water. The raw materials of the invention have wide sources, and the bio-based surface sizing auxiliary agent and the raw material composition have strong water resistance, and can effectively improve the ring crush strength of the corrugated base paper.
Description
Technical Field
The invention particularly relates to the field of sizing aids, and particularly relates to a surface sizing aid, a raw material composition and a preparation method thereof.
Background
With the increase of the waste paper consumption in China, the recycling of the waste paper leads to the obvious reduction of the paper performance, particularly the strength performance, in addition, the waste paper pulp and the high-yield pulp contain a large amount of anionic garbage, because the fiber per se also shows electronegativity, the chemical auxiliary agent in the pulp is difficult to achieve the ideal effect, and the defects can be well overcome by adopting the surface sizing technology.
The traditional natural polymer surface sizing auxiliary agent is mainly a product of starch oxidation or enzyme treatment, but starch is one of main food crops of people, is a natural resource of people, can be used for industrial production after meeting the use requirements of human beings, and biomass is considered as ideal for various industries due to the advantages of wide sources, low price, environmental friendliness, short renewable period and the like. The content of hemicellulose in plant resources is second to cellulose, and the plant resources are inexhaustible regenerative plant resources. The content of hemicellulose accounts for 1/4-1/3 in plant resources, and the relatively high content of the hemicellulose enables the hemicellulose to be used as a novel raw material of an industrial polymer to replace petrochemical products harmful to the environment.
Therefore, the need of providing a surface sizing aid which has a wide raw material source, strong water resistance and can effectively improve the ring crush strength of the corrugated base paper is needed in the art.
Disclosure of Invention
The invention provides a surface sizing auxiliary agent, a raw material composition and a preparation method thereof, and aims to solve the technical problems of low sources of raw materials and low water resistance.
In order to solve the technical problems, the invention provides the following scheme: the original background technology material composition of the surface sizing auxiliary agent comprises the following components in parts by weight: 1 part of hemicellulose and derivatives or modifiers thereof, 0.1-0.2 part of emulsifier, 0.1-0.5 part of soft monomer, 0.015-0.05 part of initiator, 0.02-0.05 part of acidic substances, 0.01-0.1 part of dispersant and 1.5-5 parts of water.
In the invention, the hemicellulose and the derivatives thereof are one or more of hemicellulose, oxidized hemicellulose, alkalized hemicellulose and enzymolysis hemicellulose.
The number average molecular weight of the hemicellulose may be a number average molecular weight as is conventional in the art, and is generally 2 to 5 ten thousand, preferably 2 ten thousand.
The oxidized hemicellulose is an oxide obtained by oxidizing one or more of hydrogen peroxide, sodium hypochlorite, ammonium persulfate, sodium persulfate and potassium persulfate.
The alkalized hemicellulose is obtained by alkalizing with one or more of sodium hydroxide, potassium hydroxide, barium hydroxide and calcium hydroxide.
The enzymolysis hemicellulose is enzymolysis hemicellulose treated by complex enzyme consisting of at least two of hemicellulase, polymannose, polygalacturonase and xylosidase.
In the invention, the emulsifier is at least one of fatty alcohol polyoxyethylene ether, fatty amine polyoxyethylene ether and alkylphenol polyoxyethylene ether.
The soft monomer acrylic ester monomer comprises at least one of methyl acrylate, ethyl acrylate, n-butyl acrylate, isobutyl acrylate, tert-butyl acrylate, isooctyl acrylate, tert-butyl methacrylate, isooctyl methacrylate, n-propyl acrylate, cyclohexyl acrylate, lauryl acrylate, 2-hydroxyethyl acrylate, 2-hydroxypropyl acrylate and methyl methacrylate.
The initiator comprises at least one of dibenzoyl peroxide, potassium persulfate, ammonium persulfate, hydrogen peroxide, tert-butyl hydroperoxide, sodium persulfate, hydrogen peroxide-ferrous sulfate, sodium persulfate-sodium sulfite, sodium persulfate-sodium bisulfite and sodium persulfate-sodium hypophosphite.
The acidic substance in the invention is acid which is common in the field and comprises at least one of sulfuric acid, hydrochloric acid, acetic acid and citric acid.
The dispersant is at least one of polyacrylic acid derivatives, polyethylene glycol and sorbitol.
Preferably, the preparation method specifically comprises the following steps:
adding appropriate amount of water into hemicellulose and its derivatives or modified substances, stirring, adding appropriate amount of dispersant, adding a part of emulsifier, soft monomer and initiator, emulsifying and dispersing uniformly, heating to a certain temperature, and holding for a certain time.
And uniformly mixing the rest of the emulsifier, the soft monomer and a proper amount of water, adding the rest of the initiator into a proper amount of water for dissolving, and slowly dripping, wherein the dripping time of the initiator is controlled to be longer than that of the monomer.
After the dripping is finished, the temperature is raised to a certain temperature, the temperature is kept for a certain time, the temperature is reduced to a proper temperature, and an acidic substance is added to adjust the pH value to be in a proper range, so that the biomass surface sizing auxiliary agent is obtained.
In the step 1, the temperature is 60-80 ℃, and the heat preservation time is 20-40 min. The preferable temperature is 70-75 ℃, and the heat preservation time is 30-35 min.
In the step 1, the dosage range of the emulsifier, the soft monomer and the initiator is 1/3-2/3 of the total amount.
In the step 2, the dropping time of the monomer is 30-60min, and the dropping time of the initiator is 40-70 min. The preferable dropping time is 30 to 50min, and the preferable dropping time of the initiator is 40 to 50 min.
In the step 3, the temperature is 80-95 ℃, the heat preservation time is 60-90min, the cooling temperature is 25-35 ℃, the pH range is 6-8, the preferred temperature is 85-90 ℃, the heat preservation time is 60 min-70 min, and the pH is 6-7 or so.
Compared with the prior art, the invention has the beneficial effects that: the bio-based surface sizing additive and the raw material composition prepared by the invention have strong water resistance, and can effectively improve the ring crush strength of the corrugated base paper.
Detailed Description
The present invention will now be described in detail and specifically with reference to the following examples in order to facilitate a better understanding of the invention, but the following examples are not intended to limit the scope of the invention.
Example 1
Adding 200g of hemicellulose oxide into 300g of water, starting stirring, adding 5g of sorbitol, adding 10g of AEO-9, 10g of n-butyl acrylate and 2g of sodium persulfate, emulsifying and dispersing uniformly, heating to 70 ℃, and keeping the temperature for 20 min.
Uniformly mixing the rest 20g of AEO-9, 20g of methyl acrylate and 20g of water, adding the rest 2g of ammonium persulfate into 38g of water for dissolving, and slowly dripping for 30min, wherein the dripping time of the monomer is 40 min.
After the dripping is finished, the temperature is raised to 90 ℃, the temperature is kept for 60min, the temperature is lowered to 25 ℃, 4g of acetic acid is added to adjust the pH value to 6.8, and the biomass surface sizing auxiliary agent is obtained.
Example 2
Adding 200g of hemicellulose alkalinized substance into 300g of water, starting stirring, adding 10g of polyacrylic acid, adding 10g of coconut oil amine ether 12EO, 20g of methyl acrylate and 1g of sodium persulfate, emulsifying and dispersing uniformly, heating to 80 ℃, and keeping the temperature for 30 min.
Uniformly mixing the rest 20g of cocoamine ether 12EO, 20g of methyl acrylate and 20g of water, adding the rest 3g of sodium persulfate into 57g of water for dissolving, and slowly dropwise adding the mixture, wherein the monomer dropwise adding time is 30min, and the initiator dropwise adding time is 50 min.
After the dripping is finished, the temperature is raised to 95 ℃, the temperature is kept for 60min, the temperature is lowered to 25 ℃, 5g of citric acid is added to adjust the pH value to 6.0, and the biomass surface sizing auxiliary agent is obtained.
Example 3
Adding 400g of water into 200g of hemicellulose zymolyte, starting stirring, adding 5g of polyethylene glycol, adding 15g of alkylphenol polyoxyethylene OP-10, 15g of isooctyl methacrylate and 2g of dibenzoyl peroxide, emulsifying and dispersing uniformly, heating to 80 ℃, and keeping the temperature for 30 min.
Uniformly mixing the rest 15g of alkylphenol polyoxyethylene OP-10, 15g of isooctyl methacrylate and 30g of water, adding the rest 3g of sodium persulfate into 57g of water for dissolving, and slowly dripping the sodium persulfate for 30min, wherein the dripping time of the monomer is 60 min.
After the dripping is finished, the temperature is raised to 90 ℃, the temperature is kept for 90min, the temperature is lowered to 25 ℃, 4.2g of sulfuric acid is added to adjust the pH value to 6.2, and the biomass surface sizing auxiliary agent is obtained.
Example 4
Adding 200g of hemicellulose into 600g of water, starting stirring, adding 10g of sorbitol, adding 15g of AEO-7, 30g of methyl methacrylate and 2g of hydrogen peroxide-ferrous sulfate, emulsifying and dispersing uniformly, heating to 80 ℃, and keeping the temperature for 30 min.
Uniformly mixing the rest 15g of AEO-7, 20g of isooctyl methacrylate and 30g of water, adding the rest 1g of hydrogen peroxide-ferrous sulfate into 49g of water for dissolving, and slowly dripping the mixture, wherein the monomer dripping time is 30min, and the initiator dripping time is 60 min.
After the dripping is finished, the temperature is raised to 95 ℃, the temperature is kept for 60min, the temperature is lowered to 25 ℃, and 6g of hydrochloric acid is added to adjust the pH value to 7, thus obtaining the biomass surface sizing auxiliary agent.
Comparative example
Comparative example 1
Preparing 500g of 10 percent hemicellulose water solution by mass percent, heating to 90 ℃, and gelatinizing for 20 min.
Comparative example 2
Preparing 500g of oxidized starch aqueous solution with the mass percent of 10%, heating to 90 ℃, and gelatinizing for 20 min.
Application examples
Preparation of sizing liquid: 500g of 10% by mass aqueous solutions of examples 1 to 4 and comparative examples 1 to 2 were prepared, and the mass ratio of the prepared comparative examples and example samples to a commercially available surface sizing agent was 50: 4, adding water to dilute to 8 wt%.
Sizing on the upper surface of corrugated paper: sizing solutions prepared by using the sizing agent auxiliaries prepared in the above examples and comparative examples were coated on 120g of corrugated base paper by using a # 10 coating bar, the coating weight was 2g/m2, and after coating, the corrugated base paper was respectively dried in an oven at 110 ℃ for 30s, taken out, cooled to room temperature, and measured, and the measurement results are shown in table 1.
And (3) judging standard: the smaller the Cobb value, the better, the larger the ring crush index, the better.
Determination of Cobb value: the paper sample to be detected is detected by adopting an XSH type brix absorbency tester of automated technology of Boco, Youtong, Hangzhou, according to a GB/T1540-1989 method.
And (3) measuring ring crush strength: the paper sample to be tested is detected by adopting a CT300A compression strength tester of automated technology Limited of Hangzhou Qingtong Boke.
TABLE 1
| Sample (I) | Cobb g/m2 | Ring pressure index N m/g |
| Example 1 | 31.6 | 9.88 |
| Example 2 | 29.9 | 9.45 |
| Example 3 | 32.4 | 9.72 |
| Example 4 | 31.8 | 9.75 |
| Comparative example 1 | 59.7 | 8.11 |
| Comparative example 2 | 35.8 | 9.30 |
| Base paper | 78.9 | 7.58 |
It can be seen from table 1 that the surface sizing aids prepared in examples 1-4 can effectively improve the water absorption resistance and ring crush index of the corrugated base paper compared with comparative example 1; compared with the prior art comparative example 2, the water absorption resistance and ring crush index of the corrugated base paper can be effectively improved.
The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, equivalent changes and modifications made without departing from the spirit and scope of the present invention should be covered by the present invention.
Claims (10)
1. A bio-based surface sizing auxiliary agent and a raw material composition are characterized by comprising the following components in parts by weight: 1 part of hemicellulose and derivatives or modifiers thereof, 0.1-0.2 part of emulsifier, 0.1-0.5 part of soft monomer, 0.015-0.05 part of initiator, 0.02-0.05 part of acidic substances, 0.01-0.1 part of dispersant and 1.5-5 parts of water.
2. The bio-based surface sizing aid, feedstock composition, according to claim 1, wherein said hemicellulose and derivatives thereof are one or more of hemicellulose, oxidized hemicellulose, alkalized hemicellulose, and enzymatically hydrolyzed hemicellulose; the number average molecular weight of the hemicellulose is 2-5 ten thousand.
3. The bio-based surface sizing aid and raw material composition according to claim 2, wherein the oxidized hemicellulose is an oxide obtained by oxidation of one or more of hydrogen peroxide, sodium hypochlorite, ammonium persulfate, sodium persulfate and potassium persulfate.
4. The bio-based surface sizing aid, raw material composition, according to claim 2, wherein the alkalized hemicellulose is an alkalized hemicellulose obtained by alkalizing with one or more of sodium hydroxide, potassium hydroxide, barium hydroxide, and calcium hydroxide.
5. The bio-based surface sizing aid and raw material composition according to claim 2, wherein the enzymatic hemicellulose is a composite enzyme-treated enzymatic hemicellulose composed of at least two of hemicellulase, polymannose, polygalacturonase and xylosidase.
6. The bio-based surface sizing aid and raw material composition according to claim 1, wherein the emulsifier is at least one of fatty alcohol-polyoxyethylene ether, fatty amine-polyoxyethylene ether and alkylphenol-polyoxyethylene ether; the soft monomer acrylic ester monomer comprises at least one of methyl acrylate, ethyl acrylate, n-butyl acrylate, isobutyl acrylate, tert-butyl acrylate, isooctyl acrylate, tert-butyl methacrylate, isooctyl methacrylate, n-propyl acrylate, cyclohexyl acrylate, lauryl acrylate, 2-hydroxyethyl acrylate, 2-hydroxypropyl acrylate and methyl methacrylate.
7. The bio-based surface sizing aid and raw material composition according to claim 1, wherein the initiator comprises at least one of dibenzoyl peroxide, potassium persulfate, ammonium persulfate, hydrogen peroxide, tert-butyl hydroperoxide, sodium persulfate, hydrogen peroxide-ferrous sulfate, sodium persulfate-sodium sulfite, sodium persulfate-sodium bisulfite, and sodium persulfate-sodium hypophosphite.
8. The bio-based surface sizing aid, raw material composition, according to claim 1, wherein said acidic material is an acid commonly used in the art, comprising at least one of sulfuric acid, hydrochloric acid, acetic acid, citric acid; the dispersant is at least one of polyacrylic acid derivatives, polyethylene glycol and sorbitol.
9. The method for preparing a bio-based surface sizing aid, raw material composition, according to claim 1, comprising the steps of:
adding a proper amount of water into hemicellulose and derivatives or modified substances thereof, starting stirring, adding a proper amount of dispersing agent, adding a part of emulsifying agent, soft monomer and initiator, emulsifying and dispersing uniformly, heating to a certain temperature, and keeping the temperature for a certain time;
step two, uniformly mixing the rest of the emulsifier, the soft monomer and a proper amount of water, adding a proper amount of water into the rest of the initiator for dissolving, and slowly dripping, wherein the dripping time of the initiator is controlled to be longer than that of the monomer;
and step three, heating to a certain temperature after the dropwise addition is finished, preserving the heat for a certain time, reducing the temperature to a proper temperature, and adding an acidic substance to adjust the pH value to be within a proper range to obtain the biomass surface sizing auxiliary agent. In the step 1, the temperature is 60-80 ℃, and the heat preservation time is 20-40 min.
10. The method of claim 9, wherein the amount of the emulsifier, soft monomer, and initiator is in the range of 1/3-2/3; in the second step, the dripping time of the monomer is 30-60min, and the dripping time of the initiator is 40-70 min; in the third step, the temperature is 80-95 ℃, the heat preservation time is 60-90min, the temperature is reduced to 25-35 ℃, and the pH range is 6-8.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101173026A (en) * | 2007-11-26 | 2008-05-07 | 天津科技大学 | AKD emulsion and method for producing the same |
| CN104141259A (en) * | 2014-07-01 | 2014-11-12 | 江苏思利达化工有限公司 | Environment-friendly cationic phenylpropyl surface sizing agent and preparation method thereof |
| CN111576086A (en) * | 2020-04-29 | 2020-08-25 | 上海昶法新材料有限公司 | Surface sizing agent, raw material composition, preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101173026A (en) * | 2007-11-26 | 2008-05-07 | 天津科技大学 | AKD emulsion and method for producing the same |
| CN104141259A (en) * | 2014-07-01 | 2014-11-12 | 江苏思利达化工有限公司 | Environment-friendly cationic phenylpropyl surface sizing agent and preparation method thereof |
| CN111576086A (en) * | 2020-04-29 | 2020-08-25 | 上海昶法新材料有限公司 | Surface sizing agent, raw material composition, preparation method and application thereof |
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