CN103834357B - Not aqueous wood sizing agent containing formaldehyde and preparation method thereof - Google Patents
Not aqueous wood sizing agent containing formaldehyde and preparation method thereof Download PDFInfo
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- CN103834357B CN103834357B CN201310593714.3A CN201310593714A CN103834357B CN 103834357 B CN103834357 B CN 103834357B CN 201310593714 A CN201310593714 A CN 201310593714A CN 103834357 B CN103834357 B CN 103834357B
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- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 25
- 239000002023 wood Substances 0.000 title claims abstract description 19
- 238000004513 sizing Methods 0.000 title claims abstract description 16
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title abstract description 39
- 238000002360 preparation method Methods 0.000 title abstract description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 38
- -1 waterproof Substances 0.000 claims abstract description 27
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 19
- 235000013311 vegetables Nutrition 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 239000003292 glue Substances 0.000 claims description 48
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 22
- 229920000159 gelatin Polymers 0.000 claims description 21
- 235000019322 gelatine Nutrition 0.000 claims description 21
- 239000001828 Gelatine Substances 0.000 claims description 20
- 239000013530 defoamer Substances 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 20
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 19
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 19
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 19
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 18
- 229920002472 Starch Polymers 0.000 claims description 17
- 239000008107 starch Substances 0.000 claims description 17
- 235000019698 starch Nutrition 0.000 claims description 17
- 239000004202 carbamide Substances 0.000 claims description 12
- 230000004048 modification Effects 0.000 claims description 12
- 238000012986 modification Methods 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 10
- 239000004902 Softening Agent Substances 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 150000002148 esters Chemical class 0.000 claims description 9
- 238000003786 synthesis reaction Methods 0.000 claims description 9
- 239000003822 epoxy resin Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 229920000647 polyepoxide Polymers 0.000 claims description 8
- 238000010792 warming Methods 0.000 claims description 8
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 108090000623 proteins and genes Proteins 0.000 claims description 6
- 102000004169 proteins and genes Human genes 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 5
- 238000006068 polycondensation reaction Methods 0.000 claims description 4
- 210000000988 bone and bone Anatomy 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract 7
- 238000009825 accumulation Methods 0.000 abstract 5
- 230000009970 fire resistant effect Effects 0.000 abstract 5
- 239000003063 flame retardant Substances 0.000 abstract 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract 2
- 239000002131 composite material Substances 0.000 abstract 2
- 238000004146 energy storage Methods 0.000 abstract 2
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 abstract 2
- 239000004575 stone Substances 0.000 abstract 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract 1
- ULBTUVJTXULMLP-UHFFFAOYSA-N butyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCCC ULBTUVJTXULMLP-UHFFFAOYSA-N 0.000 abstract 1
- QHFQAJHNDKBRBO-UHFFFAOYSA-L calcium chloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].[Cl-].[Ca+2] QHFQAJHNDKBRBO-UHFFFAOYSA-L 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 238000007731 hot pressing Methods 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- 239000004745 nonwoven fabric Substances 0.000 abstract 1
- 239000012466 permeate Substances 0.000 abstract 1
- 239000012782 phase change material Substances 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 235000013877 carbamide Nutrition 0.000 description 10
- 239000002028 Biomass Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000002585 base Substances 0.000 description 4
- 239000000084 colloidal system Substances 0.000 description 4
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 229920001807 Urea-formaldehyde Polymers 0.000 description 3
- 150000001299 aldehydes Chemical class 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229920002521 macromolecule Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241000984082 Amoreuxia Species 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- WAQGCDLKIUXESA-UHFFFAOYSA-N [P].C1=CC=CC=C1 Chemical compound [P].C1=CC=CC=C1 WAQGCDLKIUXESA-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000004500 asepsis Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 150000003573 thiols Chemical group 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical class [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 108010082495 Dietary Plant Proteins Proteins 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 208000031320 Teratogenesis Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000002639 bone cement Substances 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- JYYOBHFYCIDXHH-UHFFFAOYSA-N carbonic acid;hydrate Chemical compound O.OC(O)=O JYYOBHFYCIDXHH-UHFFFAOYSA-N 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052956 cinnabar Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000006266 etherification reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 150000002303 glucose derivatives Chemical class 0.000 description 1
- 238000010559 graft polymerization reaction Methods 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- RCHKEJKUUXXBSM-UHFFFAOYSA-N n-benzyl-2-(3-formylindol-1-yl)acetamide Chemical compound C12=CC=CC=C2C(C=O)=CN1CC(=O)NCC1=CC=CC=C1 RCHKEJKUUXXBSM-UHFFFAOYSA-N 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000012173 sealing wax Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 229940078499 tricalcium phosphate Drugs 0.000 description 1
- 229910000391 tricalcium phosphate Inorganic materials 0.000 description 1
- 235000019731 tricalcium phosphate Nutrition 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Landscapes
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention relates to a kind of solve existing composition board make in sizing agent formaldehyde problem and have fire-retardant, waterproof, flame-retardant waterproof phase-change energy storage formaldehyde-free solid wood composite plate of phase change energy storage function and preparation method thereof, comprise solid wood layer and be compounded in the fire-resistant waterproof phase-change accumulation energy layer in solid wood layer by pressure superposition, fire-resistant waterproof phase-change accumulation energy layer is by pearlstone, with saltcake, calcium chloride hexahydrate, any one phase change material in n-caprylic acid and stearic acid butyl ester, silicon sol solution, vegetable fibre, calcium carbonate, permeate agent, fire retardant, water-resisting agent, color material forms, stone after ingredients is stirred, non-woven fabrics laid by stone, flame-retardant layer sheet material is become after roller press roll extrusion, formaldehyde-free aqueous sizing agent is coated with on fire-resistant waterproof phase-change accumulation energy layer surface, putting solid wood layer sheet material is put on preformer, by solid wood layer and fire-resistant waterproof phase-change accumulation energy is stacked add precompression treatment after make solid wood layer be close to fire-resistant waterproof phase-change accumulation energy layer, thermocompressor is advanced to carry out hot pressing, become solid wood composite board, solve sizing agent formaldehyde problem in the making of existing composition board and have energy-conservation, fire prevention, the advantage of waterproof.
Description
Technical field
The present invention relates to a kind of at converted timber goods process not aqueous wood sizing agent containing formaldehyde playing bonding effect and preparation method thereof.
Background technology
The artificial board commercially used at present, needs to use a large amount of tackiness agent for Product processing, its
The urea-formaldehyde glue (UF) containing formaldehyde has all been added in manufacture craft, carbamide glue (MF), modified urea-formaldehyde glue and phenolic glue (PF) etc., because these glue all employ aldehyde compound, the finished product be made up of it all can produce volatile formaldehyde, meeting is very big and contaminate environment to harm, the World Health Organization (WHO) confirms that formaldehyde has murder by poisoning to people, carcinogenic, the harm such as teratogenesis shape, and these glue particularly urea-formaldehyde glue produce furniture and floor, sustainable release formaldehyde 5-15, simultaneously, traditional glue consumes a large amount of petroleum productss in process of production, reserves is also necessarily limited, therefore prior art can not meet the requirement of people to environmental protection far away.The artificial plywood of formaldehyde has caused showing great attention to of various circles of society.The sizing agent that biomass polymer makes instead of urea-formaldehyde glue, phenolic glue, ultrapas, is the revolution reform and innovation in sizing agent industry, can be widely used in the woodwork manufactured in sheet material and furniture manufacture and paste affixed.The optimal selection of current environment-protecting asepsis glue is exactly based on natural biomass macromolecule protein glue and vegetable jelly.Nontoxic and the environmental protection of this tackiness agent, but the intensity of this kind of tackiness agent is low, water resistance is poor, how to improve the plasticity of biomass macromolecule protein glue, water-repellancy and intensity, then can become new tackiness agent replace existing these containing aldehyde glue.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art and provide a kind of can solve existing glued board make in sizing agent formaldehyde problem not containing aqueous wood sizing agent and preparation method thereof of formaldehyde.
The object of the present invention is achieved like this:
A kind of not containing the aqueous wood sizing agent of formaldehyde, it is characterized in that: be prepared from according to parts by weight by following raw materials: 10-20 parts, xylogen glue, 10-20 parts, water-soluble rosin glue, 20-30 parts, gelatine, glycidyl ester epoxy resin 5-10 parts, 5-15 parts, hydrogen peroxide, 4-6 parts, sodium hydroxide, starch 10-20 parts, defoamer 2-6 parts, 4-6 parts, synthesis vegetable esters softening agent, 120-140 parts, water, 5-10 parts, urea, 20-30 parts, calcium carbonate.
Described defoamer refers to that model is the defoamer of FBX-02.
The described production method not containing the aqueous wood sizing agent of formaldehyde, is characterized in that: concrete making step is as follows:
Step 1), xylogen glue, water-soluble rosin glue, the starch of half parts by weight and the mixture of water are added in reactor, be heated to 80 DEG C---100 DEG C, uniform stirring after 30 minutes temperature add sodium hydroxide solution after being down to 50 DEG C, stir, add glycidyl ester epoxy resin and carry out polycondensation modification, to improve its Joint strength and to improve its workability;
Step 2), again the mixture of the water of gelatine, calcium carbonate and half parts by weight is added in autoclave, be heated to 80 DEG C---100 DEG C, stir and add urea after 30 minutes, and cool the temperature to 50 DEG C, then add hydrogen peroxide and carry out oxidation modification, then add starch and be warming up to 95 DEG C, be cooled to less than 60 DEG C, add defoamer and synthesis vegetable esters softening agent, be cooled to less than 30 DEG C, discharging becomes this product.
The present invention has following positively effect:
1, the present invention has selected three kinds of natural biomass glue: xylogen glue, water-soluble rosin glue, gelatine, these three kinds of colloids, wherein xylogen glue, water-soluble rosin glue are vegetable adhesives, the general name that vegetable base adhesive is is the sizing agent of matrix with the vegetable-protein in plant, Mierocrystalline cellulose, xylogen, glucose-derivative etc.
Belong to natural glue; Raw material is easy to get, cheap, easy to use, and production technique is simple, but Joint strength is lower, water tolerance and midew proof poor; The unstructuredness being mainly used in the materials such as fabric, timber, paper, leather glueds joint.The present invention to xylogen glue carry out modified can substituted phenolic resin, single its water tolerance of xylogen glue and intensity all lower, and water-soluble rosin glue is obtained after being alkalized by rosin by alkali lye.The method of alkalization, has and directly add rosin in alkali lye, in the rosin of melting, add alkali lye, and base excess to add emulsifying agent etc. multiple.Water-soluble rosin glue has higher Joint strength, and with low cost, is suitable for widely applying.Gum rosin can be directly used in metallic substance, especially the splicing of foil wrap.By the sealing wax that gum rosin and mineral filler (as chalk, gypsum etc.), mineral dye (as cinnabar, iron oxide red etc.) congruent melting obtain, be a kind of traditional hot melt adhesive, can be used for sealed document, instrument etc.In addition, gum rosin is also the tackifier that pressure sensitive adhesive and hot melt adhesive are conventional.Water-soluble rosin glue is adopted to combine with xylogen glue the intensity and viscosity that can significantly improve whole colloid.Gelatine also belongs to natural biological proteins matter, gelatine is a kind of the most widely used animal class cohesive material, because of its outward appearance be pearl also referred to as bone glue in pearl form, be characterized in: bond performance is good, and intensity is high, moisture is few, fast drying, coheres stereotyped, and cheap, easy to use, be particularly suitable for cohering and paste bound book capsule, good effect can be obtained.Three kinds of glue gather together and can learn from other's strong points to offset one's weaknesses, and reduce the cost of whole colloid.But above-mentioned three kinds of glue all need to carry out modification, meet bonding requirements to make whole colloid.
2, gelatine, starch and hydrogen peroxide carry out oxidation modification: can by the hydroxyl (OH) in the tricalcium phosphate molecule of gelatine and starch through being oxidized to carbonic acid hydroxyl, add calcium carbonate, add urea after stirring, have anti-corrosion function, carbonic acid hydroxyl has to wooden the function strengthening and glue and stick.Because gelatine, starch belong to the right bioprotein of natural life, have complicated molecular structure, tasteless, nontoxic, water-swelling in cold water, is dissolved in hot temperature water, is insoluble to organic solvent, as ethanol and ether, under drying regime, and can long storage periods.Described calcium carbonate is white crystal or powder, and between 0.01 micron, calcium carbonate superfine powder material footpath, the ore of natural product, through carbonic acid gas by obtained under water and sodium carbonate solution effect, is mainly used in the weighting agent of rubber, plastics, also for pharmaceutical industry.
3, the gelatinization of the aqueous solution, the etherification modified of defoamer: add water in a kettle., water temperature is risen to 80
DEG C--100 DEG C, add gelatine, calcium carbonate, then temperature is fallen, add oxygenant, a kind of derivative will be formed, after carrying out grafting react with, form unstable activity group base namely: phenolic hydroxyl-OH, form micro-yellow liquid under thiol group-SH, aldehyde radical-CHO reductive action, add defoamer and synthesis vegetable esters softening agent, etherificate becomes a kind of derivative, form superpolymer, stir and be cooled to less than 30 DEG C after 30 seconds, form intensity, certain booster action is played to gelatin viscosity.
4, after described biomass polymer carries out graft polymerization chemical reaction, form stable activity group base namely: phenolic hydroxyl-OH, formed under thiol group-SH, aldehyde radical-CHO reductive action, be through polymerization macromolecule to interact in autoclave, produce the Aqueous Adhesives that most environmental-friendly natural waterproof is formaldehydeless.
The bonding all wood-based plates of above-mentioned biomass polymer Formaldehyde-free adhesive, glued board, density board, core-board, shaving board and various timber and furniture woodwork manufacture special sticky glutinous agent, have bonding strength high, not containing formaldehyde, without benzene, without amine objectionable impurities, advantage with low cost.
According to the dry shape bonding strength >4MPa of the glued board of gained of the present invention, wetting after soaking 2h in 50 DEG C of hot water can reach more than 2MPa by force, reaches the use standard of two class glue completely.In the art, according to the regulation of wood-based plate in national standard and face artificial board physicochemical property testing method, in wet method detects, the dry shape bonding strength >2MPa of gained glued board is qualified glued board.
Wood adhesive of the present invention is a kind of asepsis environment-protecting tackiness agent, be in production, transport, application process or the release all not having formaldehyde or toxic organic compound in finished product uses, and bonding strength is high, water-tolerant; Intensity after its boiling water boiling can reach the use standard of two class glue compared with the performance of phenolic glue and completely, and preparation technology is simple simultaneously.
| Phenol aldehyde resin | Melamine resin adehsive | The present invention | |
| Whether release formaldehyde | Be | Be | No |
| Whether raw material regenerates | No | No | Be |
| Cost | High | High | Low |
| Intensity | Good | Good | Good |
Embodiment
Embodiment 1: a kind of not containing the aqueous wood sizing agent of formaldehyde, be prepared from according to weight in grams number by following raw materials: 10-20 grams, xylogen glue, 10-20 grams, water-soluble rosin glue, 20-30 grams, gelatine, glycidyl ester epoxy resin 5-10 grams, 5-15 grams, hydrogen peroxide, 4-6 grams, sodium hydroxide, starch 10-20 grams, defoamer 2-6 grams, 4-6 grams, synthesis vegetable esters softening agent, 120-140 grams, water, 5-10 grams, urea, 20-30 grams, calcium carbonate.Described defoamer refers to that model is the defoamer of FBX-02.Described gelatine is by the protein extracted in the skin of animal or bone, colourless to the bright or translucent sheet of faint yellow show or powder.Described calcium carbonate is micron or nano level calcium carbonate.The span of other embodiment is the maximum value of getting a raw material in above-mentioned scope, the minimum value of then getting each raw material in addition all forms one group of embodiment of the present invention, get the minimum value of a raw material in above-mentioned scope simultaneously, the maximum value of then getting each raw material in addition all forms other one group of embodiment of the present invention, does not state tired.
Concrete making step is as follows:
Step 1), xylogen glue, water-soluble rosin glue, the starch of half weight grams and the mixture of water are added in reactor, be heated to 80 DEG C---100 DEG C, uniform stirring after 30 minutes temperature add sodium hydroxide solution after being down to 50 DEG C, stir, add glycidyl ester epoxy resin and carry out polycondensation modification, to improve its Joint strength and to improve its workability;
Step 2), again the mixture of the water of gelatine, calcium carbonate and half weight grams is added in autoclave, be heated to 80 DEG C---100 DEG C, stir and add urea after 30 minutes, and cool the temperature to 50 DEG C, then add hydrogen peroxide and carry out oxidation modification, then add starch and be warming up to 95 DEG C, be cooled to less than 60 DEG C, add defoamer and synthesis vegetable esters softening agent, be cooled to less than 30 DEG C, discharging becomes this product.
Concrete making step is as follows: first, is added by water in autoclave, is warming up to 85 DEG C---and 100 DEG C, then, add the gelatine after uniform stirring and calcium carbonate, stir and add urea after 30 minutes, and cool the temperature to 50 DEG C----70 DEG C, then add oxygenant and carry out oxidation modification and form micro-yellow liquid, then add starch and be warming up to 95 DEG C, keep 30 seconds, be cooled to less than 60 DEG C, add defoamer and phosphorus benzene bis-acid potassium dibutylester, stir after 30 seconds, be cooled to less than 30 DEG C, namely discharging becomes this product.
Embodiment 2: a kind of not containing the aqueous wood sizing agent of formaldehyde, be prepared from according to weight in grams number by following raw materials: 10-20 grams, xylogen glue, 10-20 grams, water-soluble rosin glue, 20-30 grams, gelatine, glycidyl ester epoxy resin 5-10 grams, 5-15 grams, hydrogen peroxide, 4-6 grams, sodium hydroxide, starch 10-20 grams, defoamer 2-6 grams, 4-6 grams, synthesis vegetable esters softening agent, 120-140 grams, water, 5-10 grams, urea, 20-30 grams, calcium carbonate.Described defoamer refers to that model is the defoamer of FBX-02.Described gelatine is by the protein extracted in the skin of animal or bone, colourless to the bright or translucent sheet of faint yellow show or powder.Described calcium carbonate is micron or nano level calcium carbonate.
Concrete making step is as follows:
Step 1), xylogen glue, water-soluble rosin glue, the starch of half weight grams and the mixture of water are added in reactor, be heated to 80 DEG C---100 DEG C, uniform stirring after 30 minutes temperature add sodium hydroxide solution after being down to 50 DEG C, stir, add glycidyl ester epoxy resin and carry out polycondensation modification, to improve its Joint strength and to improve its workability;
Step 2), again the mixture of the water of gelatine, calcium carbonate and half weight grams is added in autoclave, be heated to 80 DEG C---100 DEG C, stir and add urea after 30 minutes, and cool the temperature to 50 DEG C, then add hydrogen peroxide and carry out oxidation modification, then add starch and be warming up to 95 DEG C, be cooled to less than 60 DEG C, add defoamer and synthesis vegetable esters softening agent, be cooled to less than 30 DEG C, discharging becomes this product.
Concrete making step is as follows: first, is added by water in autoclave, is warming up to 85 DEG C---and 100 DEG C, then, add the gelatine after uniform stirring and calcium carbonate, stir and add urea after 30 minutes, and cool the temperature to 50 DEG C----70 DEG C, then add oxygenant and carry out oxidation modification and form micro-yellow liquid, then add starch and be warming up to 95 DEG C, keep 30 seconds, be cooled to less than 60 DEG C, add defoamer and phosphorus benzene bis-acid potassium dibutylester, stir after 30 seconds, be cooled to less than 30 DEG C, namely discharging becomes this product.
Claims (1)
1. one kind does not contain the production method of the aqueous wood sizing agent of formaldehyde, it is characterized in that: be prepared from according to parts by weight by following raw materials: 10-20 parts, xylogen glue, 10-20 parts, water-soluble rosin glue, 20-30 parts, gelatine, glycidyl ester epoxy resin 5-10 parts, 5-15 parts, hydrogen peroxide, 4-6 parts, sodium hydroxide, starch 10-20 parts, defoamer 2-6 parts, 4-6 parts, synthesis vegetable esters softening agent, 120-140 parts, water, 5-10 parts, urea, 20-30 parts, calcium carbonate; Described defoamer refers to that model is the defoamer of FBX-02; Described gelatine is by the protein extracted in the skin of animal or bone, colourless to pale yellow transparent or translucent sheet or powder; Concrete making step is as follows:
Step 1), xylogen glue, water-soluble rosin glue, the starch of half parts by weight and the mixture of water are added in reactor, be heated to 80 DEG C-100 DEG C, uniform stirring after 30 minutes temperature add sodium hydroxide solution after being down to 50 DEG C, stir, add glycidyl ester epoxy resin and carry out polycondensation modification, to improve its Joint strength and to improve its workability;
Step 2), again the mixture of the water of gelatine, calcium carbonate and half parts by weight is added in autoclave, be heated to 80 DEG C-100 DEG C, stir and add urea after 30 minutes, and cool the temperature to 50 DEG C, then add hydrogen peroxide and carry out oxidation modification, then add starch and be warming up to 95 DEG C, be cooled to less than 60 DEG C, add defoamer and synthesis vegetable esters softening agent, be cooled to less than 30 DEG C, discharging becomes this product.
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| CN104327776B (en) * | 2014-10-13 | 2016-03-16 | 合肥庭索环保材料有限公司 | Anti-oxidant rub resistance binding agent and preparation method thereof |
| CN108972828B (en) * | 2018-08-07 | 2020-07-07 | 宜宾学院 | Preparation method of biomass material based on cinnamomum longepaniculatum leaf residues |
| CN117214376B (en) * | 2023-10-27 | 2024-05-28 | 清远市一丞阻燃材料有限公司 | Method for testing flame-retardant effect of phosphorus-containing intumescent flame-retardant particles |
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| CN101475790A (en) * | 2008-01-04 | 2009-07-08 | 杨光 | Novel timber adhesive and preparation thereof |
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| CN101302410A (en) * | 2008-06-04 | 2008-11-12 | 江南大学 | Preparation of graft modification protein-based adhesive |
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