CN103627366A - Preparation method of gelatin-based adhesive - Google Patents
Preparation method of gelatin-based adhesive Download PDFInfo
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- CN103627366A CN103627366A CN201310572812.9A CN201310572812A CN103627366A CN 103627366 A CN103627366 A CN 103627366A CN 201310572812 A CN201310572812 A CN 201310572812A CN 103627366 A CN103627366 A CN 103627366A
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- gelatin
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- based adhesive
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- 108010010803 Gelatin Proteins 0.000 title claims abstract description 45
- 239000008273 gelatin Substances 0.000 title claims abstract description 45
- 229920000159 gelatin Polymers 0.000 title claims abstract description 45
- 235000019322 gelatine Nutrition 0.000 title claims abstract description 45
- 235000011852 gelatine desserts Nutrition 0.000 title claims abstract description 45
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 17
- 239000000853 adhesive Substances 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 24
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims abstract description 17
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 11
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 claims abstract 4
- 239000003429 antifungal agent Substances 0.000 claims abstract 2
- 229940121375 antifungal agent Drugs 0.000 claims abstract 2
- 235000011187 glycerol Nutrition 0.000 claims abstract 2
- 239000007787 solid Substances 0.000 claims description 13
- 239000001509 sodium citrate Substances 0.000 claims description 4
- 239000004283 Sodium sorbate Substances 0.000 claims description 3
- JXKPEJDQGNYQSM-UHFFFAOYSA-M sodium propionate Chemical compound [Na+].CCC([O-])=O JXKPEJDQGNYQSM-UHFFFAOYSA-M 0.000 claims description 3
- 239000004324 sodium propionate Substances 0.000 claims description 3
- 235000010334 sodium propionate Nutrition 0.000 claims description 3
- 229960003212 sodium propionate Drugs 0.000 claims description 3
- LROWVYNUWKVTCU-STWYSWDKSA-M sodium sorbate Chemical compound [Na+].C\C=C\C=C\C([O-])=O LROWVYNUWKVTCU-STWYSWDKSA-M 0.000 claims description 3
- 235000019250 sodium sorbate Nutrition 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000004090 dissolution Methods 0.000 claims 1
- 230000000855 fungicidal effect Effects 0.000 claims 1
- 239000000417 fungicide Substances 0.000 claims 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims 1
- 229960001790 sodium citrate Drugs 0.000 claims 1
- 235000011083 sodium citrates Nutrition 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 231100000252 nontoxic Toxicity 0.000 abstract description 4
- 230000003000 nontoxic effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 description 26
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 16
- 229910000027 potassium carbonate Inorganic materials 0.000 description 8
- 239000002994 raw material Substances 0.000 description 7
- 239000004411 aluminium Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000005357 flat glass Substances 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 3
- 229940038773 trisodium citrate Drugs 0.000 description 3
- -1 200 kilograms Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 2
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- SAQSTQBVENFSKT-UHFFFAOYSA-M TCA-sodium Chemical compound [Na+].[O-]C(=O)C(Cl)(Cl)Cl SAQSTQBVENFSKT-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000227 bioadhesive Substances 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 210000000845 cartilage Anatomy 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- ILYCWAKSDCYMBB-OPCMSESCSA-N dihydrotachysterol Chemical compound C1(/[C@@H]2CC[C@@H]([C@]2(CCC1)C)[C@H](C)/C=C/[C@H](C)C(C)C)=C\C=C1/C[C@@H](O)CC[C@@H]1C ILYCWAKSDCYMBB-OPCMSESCSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910003471 inorganic composite material Inorganic materials 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001184 polypeptide Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 102000004196 processed proteins & peptides Human genes 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- 229920003987 resole Polymers 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 235000019263 trisodium citrate Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Adhesives Or Adhesive Processes (AREA)
Abstract
本发明属于胶粘剂技术领域，具体涉及一种粘结力较好、绿色环保、价格低廉的明胶基胶粘剂的制备方法。本发明的技术要点是：称取一定重量份的明胶、乙二醇或丙三醇、水，在容器内混合、加热搅拌，使所加组分充分溶解；待溶解完全之后，向容器内先加入氯化钙溶液，搅拌均匀；然后缓慢滴加碳酸钠或碳酸钾溶液；最后在温度为60～70℃条件下反应5～8小时；反应完全后，待液体温度冷却至40～45℃，在所制备的溶液中，再加入一定量的防霉剂，混合均匀、静置，待完全冷却后即得到明胶基胶粘剂溶液。本发明方法生产的胶粘剂胶粘效果好，而且无毒，绿色环保，水溶性好。The invention belongs to the technical field of adhesives, and in particular relates to a preparation method of a gelatin-based adhesive with good cohesive force, environmental protection and low price. The technical gist of the present invention is: weigh gelatin, ethylene glycol or glycerin, and water in certain parts by weight, mix them in a container, heat and stir them, and fully dissolve the added components; Add calcium chloride solution and stir evenly; then slowly add sodium carbonate or potassium carbonate solution dropwise; finally react at a temperature of 60-70°C for 5-8 hours; after the reaction is complete, cool the liquid to 40-45°C, In the prepared solution, a certain amount of antifungal agent is added, mixed evenly, left standing, and after being completely cooled, a gelatin-based adhesive solution is obtained. The adhesive produced by the method of the invention has good bonding effect, is non-toxic, is environmentally friendly and has good water solubility.
Description
Technical field
The invention belongs to adhesive technology field, be specifically related to a kind of cohesive force better, the preparation method of environmental protection, cheap gelatin-based tackiness agent.
Background technology
Gelatin is that the collagen protein that contains of skin, bone, cartilage, ligament, tendon and other reticular tissue of animal is through the high-molecular polypeptide high polymers of purifying and hydrolysis obtains.Gelatin utilizes leather the like waste to be prepared from for raw material conventionally, and technique is simple, and cost is extremely low, and industrial production technology is ripe.
As a kind of reproducible natural high molecular substance, gelatin carries out limited modification through physics, chemistry or biological method, changes its molecular structure and performance, just can control solubleness and the viscosity of gelatin, makes it have good cohesiveness and film forming properties.Recently research is found, by modification, can make gelatin-based tackiness agent obtain many properties, as gelatin and Resorcinol, formaldehyde react, can be made into a kind of good surgical operation tackiness agent; Gelatin reacts with vinyl pyrrolidone, also can make a kind of medical solid adhesive; Gelatin and methylcellulose gum, polyvinyl alcohol, quartzy effect can be produced the tackiness agent of bonding building construction material; Gelatin and resol can be made the tackiness agent of bonding glass fiber product, and this tackiness agent can improve rich Qu Xingneng and the ductility of glass fibre product widely; Gelatin and epoxy resin modification can improve water resisting property and viscosity, are the desirable tackiness agent of veneer sheet; With sodium trichloroacetate or trichoroacetic acid(TCA) potassium, process and can make neutrality, stable tackiness agent.In a word, the purposes of gelatin aspect tackiness agent is very widely.
Gelatin-based tackiness agent is a kind of water soluble adhesive, glass, paper, fabric, metal, leather, timber etc. are had to very strong bonding force, its raw material is easy to get, adhesive property is good, and intensity is high, fast drying, bond stereotyped, and cheap, easy to use, nontoxic and can degrade under field conditions (factors).Therefore, along with society is more and more stronger to the requirement of environmental protection, degradable, the reproducible natural adhesive of raw material more and more receive people's concern, and gelatin is day by day remarkable in the status of adhesive industry.
Summary of the invention
The object of the present invention is to provide the preparation method of a kind of green non-pollution, nontoxic, inexpensive gelatin-based tackiness agent.
Preparation method of the present invention comprises the step of following order:
(1) take the gelatin of 16～20 weight parts, the water of the ethylene glycol of 0.7～1.5 weight part or glycerol, 100～200 weight parts, in container, mix, heated and stirred half an hour, added component is fully dissolved; To be dissolved completely after, the calcium chloride solution to first adding 10 weight parts in container, stirs; Then slowly drip sodium carbonate or the solution of potassium carbonate of 13 weight parts, the rate of addition of sodium carbonate or solution of potassium carbonate is about 0.5 drop/sec; In temperature, be finally to react 5～8 hours under 60～70 ℃ of conditions; Wherein, the solid masses percentage composition of calcium chloride solution is 2%～5%, and the solid masses percentage composition of sodium carbonate or solution of potassium carbonate is 2%～5%;
After (2) (1) steps react completely, treat that fluid temperature is cooled to 40～45 ℃, in prepared solution, then add the mould inhibitor of 0.3～0.8 weight part, mix, standing, after completely cooling, obtain gelatin-based adhesive solvent.
Specifically, described mould inhibitor is a kind of in sodium sorbate, Trisodium Citrate, Sodium Propionate.
The present invention adopts gelatin as main raw material, and adds properties-correcting agent to carry out modification, with suitable ratio and suitable working method production gelatin-based adhesive products.Under gelatin-based tackiness agent usual conditions prepared by the inventive method, be liquid, gluing effective, and also nontoxic, environmental protection, good water solubility.The present invention compares with existing adhesive technology, has advantages of as follows:
(1) excellent performance: adhesive products of the present invention is a kind of novel natural polymer-inorganic composite materials, not only has excellent security, also has very strong cohesiveness.
(2) gluing scope is wide: tackiness agent prepared by the present invention, can be to metal, and paper, the article such as glass have good cohesiveness, and viscosifying power is strong, and bonded article are difficult for being stripped from.
(3) there is environment friendly: the preparation of gelatin-based tackiness agent adopts biodegradable gelatin to make raw material, products obtained therefrom is embedded in underground after using, can within very short time, degrade voluntarily under field conditions (factors), environmentally safe, and gelatin-based tackiness agent is a kind of water-soluble glue, be easy to be rinsed out by water.
Embodiment
Below by specific embodiment, come that the present invention is described in further detail, wherein, described raw material is industrialization product, synthetic in gelatin used be the gelatin that general industry is produced, source is wide, low price; Institute's spent glycol, glycerol are all general Industrial products; Calcium chloride used, sodium carbonate or solution of potassium carbonate are the regular solution of laboratory preparation; Equipment is common reacting by heating production unit; Described raw material umber, except special instruction, is parts by weight.
Embodiment 1:
16 kilograms, gelatin, 0.7 kilogram of ethylene glycol, water double centner are added in the reactor of 300L with agitator and dissolved.Until completely dissolved, first add the calcium chloride solution (solid masses percentage composition is 2%) of 10 kilograms, stir; Then slowly drip the sodium carbonate solution (solid masses percentage composition is 2%) of 13 kilograms, the rate of addition of sodium carbonate solution is about 0.5 drop/sec; Finally in the reactor with thermometer and reflux exchanger, at 60～65 ℃ of temperature, react 5 hours.Reaction is cooled to 40～45 ℃ after finishing, and adds 0.3 kilogram of Trisodium Citrate, while stir at this temperature, adds until stirring and evenly mixing, and then standing being cooled under normal temperature, obtains clarification thick liquid, is gelatin-based tackiness agent.
This liquid is applied on sheet glass to rear observation cohesiveness to be dried.Through the cohesiveness of sheet glass is observed, gelatin-based tackiness agent is extremely strong to the cohesiveness of sheet glass after being dried in the present embodiment, is bonded on sheet glass and is difficult to be stripped from.This tackiness agent has an outstanding feature simultaneously, and this tackiness agent can wash by water, and does not leave any residue.
Embodiment 2:
18 kilograms, gelatin, 1 kilogram of glycerol, water double centner are added in the reactor of 300L with agitator and dissolved, until completely dissolved, first add the calcium chloride solution (solid masses percentage composition is 3%) of 10 kilograms, stir; Then slowly drip the solution of potassium carbonate (solid masses percentage composition is 3%) of 13 kilograms, the rate of addition of solution of potassium carbonate is about 0.5 drop/sec; Last in the reactor with thermometer and reflux exchanger, at 65～70 ℃ of temperature, react 6 hours.Reaction is cooled to 40～45 ℃ after finishing, and adds 0.5 kilogram of sodium sorbate, while stir at this temperature, adds until stirring and evenly mixing, and then standing being cooled under normal temperature, obtains clarifying thick liquid, is gelatin-based tackiness agent.
This liquid glue is applied to the surface of paper, observes the cohesiveness of two paper.Through the cohesiveness of paper is observed, the bonding of two paper is very firm in the present embodiment, can not with tear or other method separately, also there will not be simultaneously dry after the two paper phenomenon of separating.
Embodiment 3:
By 20 kilograms, gelatin, 1.5 kilograms of glycerol, 200 kilograms, water adds in the reactor of 400L with agitator and dissolves, and until completely dissolved, first adds the calcium chloride solution (solid masses percentage composition is 5%) of 10 kilograms, stirs; Then slowly drip the sodium carbonate solution (solid masses percentage composition is 5%) of 13 kilograms, the rate of addition of sodium carbonate solution is about 0.5 drop/sec; Last in the reactor with thermometer and reflux exchanger, at 60～65 ℃ of temperature, react 8 hours.Reaction is cooled to 40～45 ℃ after finishing, and adds the Sodium Propionate of 0.8 kilogram, while stir at this temperature, adds until stirring and evenly mixing, and then the standing normal temperature that is cooled to, obtains clarifying thick liquid, is gelatin-based tackiness agent.
This liquid glue is applied to the surface of aluminium sheet, observes the cohesiveness of aluminium sheet.Through the cohesiveness of aluminium sheet is observed, the gelatin-based tackiness agent of gained is very good to the cohesiveness of aluminium sheet in the present embodiment.
Embodiment 4:
By 19 kilograms, gelatin, 1.2 kilograms of ethylene glycol, 200 kilograms, water adds in the reactor of 400L with agitator and dissolves, and until completely dissolved, first adds the calcium chloride solution (solid masses percentage composition is 4%) of 10 kilograms, stirs; Then slowly drip the solution of potassium carbonate (solid masses percentage composition is 4%) of 13 kilograms, the rate of addition of solution of potassium carbonate is about 0.5 drop/sec, and normal-temperature reaction is to neutral; Last in the reactor with thermometer and reflux exchanger, at 65～70 ℃ of temperature, react 7 hours.Reaction is cooled to 40～45 ℃ after finishing, and adds the Trisodium Citrate of 0.6 kilogram, while stir at this temperature, adds until stirring and evenly mixing, and then standing being cooled under normal temperature, obtains clarifying thick liquid, is gelatin-based tackiness agent.
This liquid glue is applied to the surface of plank, observes the cohesiveness between plank.Through the cohesiveness of plank is observed, in the present embodiment the gelatin-based tackiness agent of gained dry after and timber firmly combine, very strong to the cohesiveness of plank.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310572812.9A CN103627366B (en) | 2013-11-15 | 2013-11-15 | A kind of preparation method of gelatin-based tackiness agent |
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|---|---|---|---|
| CN201310572812.9A CN103627366B (en) | 2013-11-15 | 2013-11-15 | A kind of preparation method of gelatin-based tackiness agent |
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| Publication Number | Publication Date |
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| CN103627366A true CN103627366A (en) | 2014-03-12 |
| CN103627366B CN103627366B (en) | 2016-01-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109153603A (en) * | 2016-05-13 | 2019-01-04 | 洛科威国际有限公司 | The adhesive composition comprising at least one hydrocolloid for mineral fibres |
| CN113249088A (en) * | 2021-06-18 | 2021-08-13 | 陕西科技大学 | Gelatin-based API adhesive and preparation method thereof |
| CN113337247A (en) * | 2021-06-18 | 2021-09-03 | 陕西科技大学 | Formaldehyde-free gelatin-based adhesive with water resistance and antibacterial property for artificial board and preparation method thereof |
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| CN1670111A (en) * | 2004-03-19 | 2005-09-21 | 杨光 | Wood bonding agent and its preparing process |
| CN102899001A (en) * | 2012-10-12 | 2013-01-30 | 华南理工大学 | Method for preparing water soluble non-setting adhesive |
| CN102925074A (en) * | 2012-11-07 | 2013-02-13 | 刘哲 | Solid glue and preparation process thereof |
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2013
- 2013-11-15 CN CN201310572812.9A patent/CN103627366B/en active Active
Patent Citations (3)
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| CN1670111A (en) * | 2004-03-19 | 2005-09-21 | 杨光 | Wood bonding agent and its preparing process |
| CN102899001A (en) * | 2012-10-12 | 2013-01-30 | 华南理工大学 | Method for preparing water soluble non-setting adhesive |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109153603A (en) * | 2016-05-13 | 2019-01-04 | 洛科威国际有限公司 | The adhesive composition comprising at least one hydrocolloid for mineral fibres |
| CN109153604A (en) * | 2016-05-13 | 2019-01-04 | 洛科威国际有限公司 | adhesive composition |
| CN113249088A (en) * | 2021-06-18 | 2021-08-13 | 陕西科技大学 | Gelatin-based API adhesive and preparation method thereof |
| CN113337247A (en) * | 2021-06-18 | 2021-09-03 | 陕西科技大学 | Formaldehyde-free gelatin-based adhesive with water resistance and antibacterial property for artificial board and preparation method thereof |
| CN113249088B (en) * | 2021-06-18 | 2022-06-10 | 陕西科技大学 | Gelatin-based API adhesive and preparation method thereof |
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| CN103627366B (en) | 2016-01-13 |
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Effective date of registration: 20201221 Address after: Room 204, No. 158, Yaozhuang Avenue, Yaozhuang Town, Jiashan County, Jiaxing City, Zhejiang Province Patentee after: Jiashan Linhu Xincheng Industrial Co.,Ltd. Address before: 411201 No. 2 stone wharf, Yuhu District, Hunan, Xiangtan Patentee before: Hunan University of Science and Technology |
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Denomination of invention: A preparation method of gelatin based adhesive Effective date of registration: 20211222 Granted publication date: 20160113 Pledgee: Bank of China Limited Zhejiang Yangtze River Delta integration demonstration zone sub branch Pledgor: Jiashan Linhu Xincheng Industrial Co.,Ltd. Registration number: Y2021330002614 |
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