CN104893629B - A kind of timber normal temperature cure bio oil starch adhesive and preparation method thereof - Google Patents
A kind of timber normal temperature cure bio oil starch adhesive and preparation method thereof Download PDFInfo
- Publication number
- CN104893629B CN104893629B CN201510332706.2A CN201510332706A CN104893629B CN 104893629 B CN104893629 B CN 104893629B CN 201510332706 A CN201510332706 A CN 201510332706A CN 104893629 B CN104893629 B CN 104893629B
- Authority
- CN
- China
- Prior art keywords
- starch
- parts
- bio oil
- adhesive
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a kind of timber normal temperature cure bio oil starch adhesive and preparation method, belong to adhesive preparing technical field, this method carries out catalytic esterification using storng-acid cation exchange resin to bio oil, obtains the monomer of starch graft copolymer reaction；Using the compound method modified starch of acid hydrolysis oxidative, graft copolymerization, adhesive host skeleton is formed；By adding bio oil, chemical group on adhesive host skeleton is modified, while as auxiliary agents such as filler, preservatives, be prepared into bio oil starch adhesive.The starch adhesive has normal temperature cure, green, cost is cheap, caking property is good, water resistance is strong, the advantages of having excellent storage stability.
Description
Technical field
The invention belongs to adhesive preparing technical field, more particularly to a kind of timber normal temperature cure bio oil starch gluing
The preparation method of agent.
Background technology
In today that petroleum resources increasingly depleted and environmental consciousness are constantly strengthened, with renewable natural polymer cheap and easy to get
Child resource is primary raw material, turns into a kind of trend using novel environment-friendly process, exploitation high-performance environment-friendly adhesive.Starch adhesive
Raw material sources are extensive, cheap, nontoxic, green, it is considered to be one of most potential adhesive, extensively
Applied to the non-structural integrated timber field such as interior, house ornamentation.
However, compared with synthetic resin adhesive, there is poor water resistance, poor storage stability, bonding in starch adhesive
The shortcomings of low intensity, limit its application in timber industry.The problem of existing for starch adhesive, it is main at present
Method of modifying is by aoxidizing, being gelatinized, being esterified, being grafted, the means such as being crosslinked, reduce the hydrophilic radical quantity on starch molecule and draw
Enter other active groups, so as to reduce the hydrophily of starch adhesive, improve its adhesive strength and storge quality.Such as patent (Shen
Please number：201010568522.3) using starch as raw material, after carrying out acidolysis gelatinization pretreatment, vinegar is used under conditions of emulsifying agent
Two kinds of monomers of vinyl acetate and butyl acrylate carry out grafting, copolymerization and modification to starch, add auxiliary agent after cooling, are prepared for one kind
Adhesive strength is high, the environment-friendly type starch glue for lumber of water-tolerant sticks agent；Patent (application number：201410074081.X) utilization time
Sodium chlorate oxidized starch emulsion, and add under crosslinking agent effect with acrylamide and acrylate monomer graft copolymerization after cooling
Enter filler and preservative prepares environment-friendly type starch glue for lumber and sticks agent, have preferable storage stability, water resistance and bonding strong
Degree.
However, numerous starch adhesive method of modifying are concentrated mainly on water resistance, the adhesive strength for improving starch adhesive
With storage stability etc., and the normal temperature cure Study on Problems to starch adhesive is less.Meanwhile prepared by starch adhesive
Substantial amounts of auxiliary agent is added in journey, causes starch adhesive the problem of cost is higher to be present.
The content of the invention
The purpose of the present invention is to overcome the weak point of prior art, proposes that a kind of timber normal temperature cure bio oil is formed sediment
Powder adhesive and preparation method, the product liquid-bio oil obtained by using Wooden Biomass fast pyrogenation, prepare one
The novel timber normal temperature cure starch that kind is green, cost is cheap, caking property is good, water resistance is strong, has excellent storage stability
Adhesive.
The present invention adopts the following technical scheme that：
Timber proposed by the present invention normal temperature cure bio oil starch adhesive, it is characterised in that using highly acid sun from
Sub-exchange resin carries out catalytic esterification to bio oil, obtains the monomer of starch graft copolymer reaction；Using acid hydrolysis oxidative, connect
The copolymerized method modified starch of branch, forms adhesive host skeleton；By adding bio oil, adhesive host skeleton is modified
Upper chemical group, while as auxiliary agents such as filler, preservatives, it is prepared into bio oil starch adhesive.
Above-mentioned each raw material components mass parts of bio oil starch adhesive are as follows：120 parts of bio oil, absolute ethyl alcohol 160-200
Part, catalyst 8-10 parts, 100 parts of starch, hydrochloric acid 140-160 parts, oxidant 2-4 parts, emulsifying agent 1-3 parts, stabilizer 10-30
Part, initiator 0.3-0.7 parts, vinylacetate 10-20 parts, butyl acrylate 5-15 parts.
Described bio oil is under conditions of anaerobic or anoxic, using medium reaction temperature (500-600 DEG C), high heating
Speed (103-105DEG C/s) and extremely short gas residence time (being less than 2s) by biomass (including：Wood powder, agricultural crop straw, bark,
Shell etc.) carry out the liquid product that thermochemical study obtains, moisture content 20%-30%, pH value 2.5-3.5；
Catalyst is storng-acid cation exchange resin, one kind in its model 732, NKC-9, D072；Starch is jade
Any one in rice starch, tapioca or wheaten starch；
Hydrochloric acid is the hydrochloric acid solution that concentration is 0.3-0.5mol/L；
Oxidant and initiator are any in the ammonium persulfate, potassium peroxydisulfate, sodium peroxydisulfate that mass fraction is 15%
It is a kind of；
Emulsifying agent is any one or combination in lauryl sodium sulfate, neopelex, OP-10；
Stabilizer is the polyvinyl alcohol that mass fraction is 8%, any one in its model 1750,1788,1799.
The preparation method of timber proposed by the present invention normal temperature cure bio oil starch adhesive, mainly including following step
Suddenly：
The first step：After 80-100 parts bio oil and 160-200 part absolute ethyl alcohols are thoroughly mixed, bio oil esterification is added to
In reactor, 8-10 part catalyst is added, 4-5 hours are heated in 50-60 DEG C of water bath with thermostatic control, cooling discharge obtains bio oil
Esterification products；Again with 10-20 part vinylacetates, the mixing of 5-15 parts butyl acrylate, grafted monomers mixed liquor is obtained.
Second step：It is 40% that 100 parts of starch are configured into mass fraction with 140-160 parts 0.3-0.5mol/L hydrochloric acid
Starch emulsion, pour into adhesive reactor, and 50-55 DEG C be warming up in 10-15min, and keep the temperature to the 3rd step,
2-4 part oxidants are added, acid hydrolysis oxidative denaturation 30-50min is carried out, obtains acid hydrolysis oxidative converted starch emulsion；Again to acidolysis oxygen
Change and 1-3 parts emulsifying agent and 10-30 parts mass fraction are added in converted starch emulsion as 8% stabilizer, be with mass fraction
20% sodium hydroxide solution adjusts pH to 2-3 in 5-10min, divides 2-4 batches to add 40-60 part grafted monomers in 1-2h
Mixed liquor, continue after reacting 0.5-1h, add 0.4-0.6 part initiator for reaction 1-2h and obtain graft copolymerization converted starch emulsion；
3rd step：Into graft copolymerization converted starch emulsion, 3-5 batches are divided to add 20-40 parts biology in 10-20min
Oil, 40 DEG C are cooled to bottom discharge after reacting 30-50min, obtains timber normal temperature cure bio oil starch adhesive.
Advantages of the present invention is embodied in the following aspects：
1. the primary raw material that the inventive method uses asepsis environment-protecting, has for cheap and reproducible starch and bio oil
Good environment compatibility；
2. the present invention utilizes the organic carboxyl acid of a large amount of low molecule amounts in bio oil, such as formic acid, acetic acid, in highly acid sun
Under the conditions of ion exchange resin, and absolute ethyl alcohol carries out catalytic esterification, obtains the low molecule ester with normal temperature cure characteristic
Class compound, can be as the main component of starch normal temperature cure grafted monomers；Meanwhile mixed with vinylacetate, butyl acrylate
Close, the grafted monomers mixed liquor for obtaining starch has higher grafting rate and good normal temperature cure effect；
3. the phenols introduced by bio oil, acids, aldehydes in the bio oil starch adhesive system that the present invention obtains be present
Deng material, with the aldehyde radical in starch molecule, carboxyl polymerisation occurs for wherein aldehydes matter, increases the tack of adhesive；Acid
With starch esterification can occur for class material, reduce hydroxyl quantity, improve water resistance；Aldehyde material can crosslink with starch
Reaction, the bonding property of adhesive can be improved；
4. the materials such as the phenols contained in bio oil used in the present invention, acids, aldehydes have preferable fungistatic effect,
It can be used as preservative；Meanwhile the addition of bio oil can reduce the solidification temperature of adhesive, curing rate, increase are improved
Adhesive permeability, make adhesive that there is good performance, curing agent and diluent can be used as to use；It is contained in bio oil
Other materials having can be used as the auxiliary agents such as filler to use.The addition of bio oil, reduce the use of chemical raw material, reduce starch
The cost of adhesive.
Embodiment
A kind of timber normal temperature cure bio oil starch adhesive and preparation method proposed by the present invention, its raw material form such as
Under：
120 parts of bio oil, absolute ethyl alcohol 160-200 parts, catalyst 8-10 parts, 100 parts of starch, hydrochloric acid 140-160 parts, oxygen
Agent 2-4 parts, emulsifying agent 1-3 parts, stabilizer 10-30 parts, initiator 0.3-0.7 parts, vinylacetate 10-20 parts, acrylic acid
Butyl ester 5-15 parts.
Described bio oil is under conditions of anaerobic or anoxic, using medium reaction temperature (500-600 DEG C), high heating
Speed (103-105DEG C/s) and extremely short gas residence time (being less than 2s) by biomass (including：Wood powder, agricultural crop straw, bark,
Shell etc.) carry out the liquid product that thermochemical study obtains, moisture content 20%-30%, pH value 2.5-3.5；Catalyst is
Storng-acid cation exchange resin, one kind in its model 732, NKC-9, D072；Starch be cornstarch, tapioca or
Any one in wheaten starch；Hydrochloric acid is the hydrochloric acid solution that concentration is 0.3-0.5mol/L；Oxidant and initiator are matter
Measure any one in ammonium persulfate, potassium peroxydisulfate, sodium peroxydisulfate that fraction is 15%；Emulsifying agent be lauryl sodium sulfate,
Any one in neopelex, OP-10 or combination；Stabilizer is the polyvinyl alcohol that mass fraction is 8%, its type
Number be 1750,1788,1799 in any one.
A kind of preparation method of timber normal temperature cure bio oil starch adhesive proposed by the present invention, including following step
Suddenly：
The first step：After 80-100 parts bio oil and 160-200 part absolute ethyl alcohols are thoroughly mixed, bio oil esterification is added to
In reactor, 8-10 part catalyst is added, 4-5 hours are heated in 50-60 DEG C of water bath with thermostatic control, cooling discharge obtains bio oil
Esterification products；Again with 10-20 part vinylacetates, the mixing of 5-15 parts butyl acrylate, grafted monomers mixed liquor is obtained.
Second step：It is 40% that 100 parts of starch are configured into mass fraction with 140-160 parts 0.3-0.5mol/L hydrochloric acid
Starch emulsion, pour into adhesive reactor, and 50-55 DEG C be warming up in 10-15min, and keep the temperature to the 3rd step,
2-4 part oxidants are added, acid hydrolysis oxidative denaturation 30-50min is carried out, obtains acid hydrolysis oxidative converted starch emulsion；Again to acidolysis oxygen
Change and 1-3 parts emulsifying agent and 10-30 parts mass fraction are added in converted starch emulsion as 8% stabilizer, be with mass fraction
20% sodium hydroxide solution adjusts pH to 2-3 in 5-10min, divides 2-4 batches to add 40-60 part grafted monomers in 1-2h
Mixed liquor, continue after reacting 0.5-1h, add 0.4-0.6 part initiator for reaction 1-2h and obtain graft copolymerization converted starch emulsion；
3rd step：Into graft copolymerization converted starch emulsion, 3-5 batches are divided to add 20-40 parts biology in 10-20min
Oil, 40 DEG C are cooled to bottom discharge after reacting 30-50min, obtains timber normal temperature cure bio oil starch adhesive.
With reference to specific embodiment, the present invention will be described in detail.
Embodiment 1
Each raw material components mass parts of the present embodiment are as follows：120 parts of bio oil, 160 parts of absolute ethyl alcohol, 732 highly acid sun from
8 parts of sub-exchange resin catalyst, 100 parts of cornstarch, 140 parts of hydrochloric acid, 2 parts of ammonium persulfate oxidizing agent, dodecyl sodium sulfate
1 part of emulsifying agent, 10 parts of 1750 polyvinyl alcohol stabilizer, 0.3 part of ammonium persulfate initiator, 10 parts of vinylacetate, acrylic acid
15 parts of butyl ester.
The timber of the present embodiment preparation method of normal temperature cure bio oil starch adhesive, comprises the following steps：
The first step：After 80 parts of bio oils and 160 parts of absolute ethyl alcohols are thoroughly mixed, bio oil reaction kettle of the esterification is added to
In, 8 parts of catalyst are added, are heated 4 hours in 60 DEG C of water bath with thermostatic control, cooling discharge obtains bio oil esterification products；Again with
10 parts of vinylacetates, 15 parts of butyl acrylate mixing, obtain grafted monomers mixed liquor.
Second step：100 parts of cornstarch are configured to the starch that mass fraction is 40% with 140 parts of 0.5mol/L hydrochloric acid
Emulsion, pour into adhesive reactor, and 55 DEG C are warming up in 15min, and keep the temperature to add 2 parts of matter to the 3rd step
The ammonium persulfate that fraction is 15% is measured, acid hydrolysis oxidative denaturation 30min is carried out, obtains acid hydrolysis oxidative converted starch emulsion；Again to acid
Solve and 1 part of dodecyl sodium sulfate and 10 parts of mass fractions are added in modified modified starch emulsion as the poly- of 8% model 1750
Vinyl alcohol, pH to 2 is adjusted in 5min with the sodium hydroxide that mass fraction is 20%, point 2 batches add 40 parts of grafting in 1h
Monomer mixed solution, continue after reacting 0.5h, add the ammonium persulfate reaction 1h that 0.4 part of mass fraction is 15% and obtain graft copolymerization
Converted starch emulsion；
3rd step：Into graft copolymerization converted starch emulsion, point 5 batches add 40 parts of bio oils, reaction in 20min
40 DEG C are cooled to after 50min with bottom discharge, obtains timber normal temperature cure bio oil starch adhesive.
Gained adhesive is in light yellow, good fluidity, dry compression shear strength 9.43MPa, Wet Compression shear strength
3.66MPa, storage period was up to 61 days.
Embodiment 2
Each raw material components mass parts of the present embodiment are as follows：120 parts of bio oil, 180 parts of absolute ethyl alcohol, NKC-9 highly acids sun
9 parts of ion-exchange resin catalyst, 100 parts of tapioca, 150 parts of hydrochloric acid, 3 parts of oxidant, 2 parts of emulsifying agent, 20 parts of stabilizer,
0.5 part of initiator, 15 parts of vinylacetate, 10 parts of butyl acrylate.
The timber of the present embodiment preparation method of normal temperature cure bio oil starch adhesive, comprises the following steps：
The first step：After 90 parts of bio oils and 180 parts of absolute ethyl alcohols are thoroughly mixed, bio oil reaction kettle of the esterification is added to
In, 9 parts of NKC-9 storng-acid cation exchange resins are added, are heated 5 hours in 55 DEG C of water bath with thermostatic control, cooling discharge obtains
Bio oil esterification products；Again with 15 parts of vinylacetates, 10 parts of butyl acrylate mixing, grafted monomers mixed liquor is obtained.
Second step：100 portions of tapiocas are configured to the starch that mass fraction is 40% with 150 parts of 0.4mol/L hydrochloric acid
Emulsion, pour into adhesive reactor, and 50 DEG C are warming up in 10min, and keep the temperature to add 3 parts of matter to the 3rd step
The potassium peroxydisulfate that fraction is 15% is measured, acid hydrolysis oxidative denaturation 40min is carried out, obtains acid hydrolysis oxidative converted starch emulsion；Again to acid
Solve the model 1788 for adding that 2 parts of neopelexes and 20 parts of mass fractions are 8% in modified modified starch emulsion
Polyvinyl alcohol, pH to 2.5 is adjusted in 10min with the sodium hydroxide solution that mass fraction is 20%, point 3 batches add in 1.5h
Enter 50 portions of grafted monomers mixed liquors, continue after reacting 1h, add the potassium peroxydisulfate reaction 1h that 0.5 part of mass fraction is 15% and obtain
Graft copolymerization converted starch emulsion；
3rd step：Into graft copolymerization converted starch emulsion, point 4 batches add 30 parts of bio oils, reaction in 15min
40 DEG C are cooled to after 40min with bottom discharge, obtains timber normal temperature cure bio oil starch adhesive.
Gained adhesive is in light yellow, good fluidity, dry compression shear strength 9.28MPa, Wet Compression shear strength
3.45MPa, storage period was up to 56 days.
Embodiment 3
Each raw material components mass parts of the present embodiment are as follows：120 parts of bio oil, 200 parts of absolute ethyl alcohol, D072 highly acids sun from
10 parts of sub-exchange resin catalyst, 100 parts of wheaten starch, 160 parts of hydrochloric acid, 4 parts of sodium peroxydisulfate oxidant, OP-10 emulsifying agents 3
Part, 30 parts of the polyvinyl alcohol stabilizer of model 1799,0.7 part of sodium peroxydisulfate initiator, 20 parts of vinylacetate, acrylic acid fourth
5 parts of ester.
The timber of the present embodiment preparation method of normal temperature cure bio oil starch adhesive, comprises the following steps：
The first step：After 100 parts of bio oils and 200 parts of absolute ethyl alcohols are thoroughly mixed, bio oil reaction kettle of the esterification is added to
In, 10 parts of D072 storng-acid cation exchange resins are added, are heated 5 hours in 50 DEG C of water bath with thermostatic control, cooling discharge obtains
Bio oil esterification products；Again with 20 parts of vinylacetates, 5 parts of butyl acrylate mixing, grafted monomers mixed liquor is obtained.
Second step：100 portions of wheaten starches are configured to the starch that mass fraction is 40% with 160 parts of 0.3mol/L hydrochloric acid
Emulsion, pour into adhesive reactor, and 50 DEG C are warming up in 10min, and keep the temperature to add 4 parts of oxygen to the 3rd step
Agent, acid hydrolysis oxidative denaturation 50min is carried out, obtains acid hydrolysis oxidative converted starch emulsion；Again to acid hydrolysis oxidative converted starch emulsion
The middle polyvinyl alcohol for adding the model 1799 that 3 parts of OP-10 and 30 part of mass fractions are 8%, with the hydrogen that mass fraction is 20%
Sodium hydroxide solution adjusts pH to 3 in 5min, and point 4 batches add 60 portions of grafted monomers mixed liquors in 2h, continues after reacting 1h,
Add the sodium peroxydisulfate reaction 2h that 0.6 part of mass fraction is 15% and obtain graft copolymerization converted starch emulsion；
3rd step：Into graft copolymerization converted starch emulsion, point 3 batches add 20 parts of bio oils, reaction in 10min
40 DEG C are cooled to after 30min with bottom discharge, obtains timber normal temperature cure bio oil starch adhesive.
Gained adhesive is in light yellow, good fluidity, dry compression shear strength 9.37MPa, Wet Compression shear strength
3.56MPa, storage period was up to 59 days.
Embodiment 4
Each raw material components mass parts of the present embodiment are as follows：120 parts of bio oil, 160 parts of absolute ethyl alcohol, 732 highly acid sun from
8 parts of sub-exchange resin catalyst, 100 parts of starch, 150 parts of hydrochloric acid, 3 parts of ammonium persulfate oxidizing agent, lauryl sodium sulfate and OP-
2 parts of 10 mixed liquor emulsifying agent, 20 parts of 1750 polyvinyl alcohol stabilizer, 0.5 part of ammonium persulfate initiator, vinylacetate 15
Part, 10 parts of butyl acrylate.
The timber of the present embodiment preparation method of normal temperature cure bio oil starch adhesive, comprises the following steps：
The first step：After 80 parts of bio oils and 160 parts of absolute ethyl alcohols are thoroughly mixed, bio oil reaction kettle of the esterification is added to
In, 8 parts of catalyst are added, are heated 5 hours in 55 DEG C of water bath with thermostatic control, cooling discharge obtains bio oil esterification products；Again with
15 parts of vinylacetates, 10 parts of butyl acrylate mixing, obtain grafted monomers mixed liquor.
Second step：100 parts of starch are configured to the starch milk that mass fraction is 40% with 150 parts of 0.5mol/L hydrochloric acid
Liquid, pour into adhesive reactor, and 55 DEG C are warming up in 15min, and keep the temperature to add 3 parts of quality to the 3rd step
Fraction is 15% ammonium persulfate, carries out acid hydrolysis oxidative denaturation 40min, obtains acid hydrolysis oxidative converted starch emulsion；Again to acidolysis
The type that 2 parts of lauryl sodium sulfate and OP-10 mixed liquor and 20 parts of mass fractions are 8% is added in modified modified starch emulsion
Number be 1750 polyvinyl alcohol, with mass fraction be 20% sodium hydroxide solution pH to 2.5 is adjusted in 10min, in 2h
Divide 4 batches to add 60 portions of grafted monomers mixed liquors, continue after reacting 1h, add the ammonium persulfate that 0.5 part of mass fraction is 15%
Reaction 2h obtains graft copolymerization converted starch emulsion；
3rd step：Into graft copolymerization converted starch emulsion, point 4 batches add 40 parts of bio oils, reaction in 20min
40 DEG C are cooled to after 50min with bottom discharge, obtains timber normal temperature cure bio oil starch adhesive.
Gained adhesive is in light yellow, good fluidity, dry compression shear strength 9.56MPa, Wet Compression shear strength
3.72MPa, storage period was up to 65 days.
Claims (7)
- A kind of 1. timber preparation method of normal temperature cure bio oil starch adhesive, using storng-acid cation exchange resin pair Bio oil and absolute ethyl alcohol carry out catalytic esterification, obtain the normal temperature cure monomer of starch graft copolymer reaction；Using acidolysis The compound method modified starch of oxidation, graft copolymerization, forms adhesive host skeleton；By adding bio oil, adhesive is modified Chemical group on host skeleton, while as auxiliary agents such as filler, preservatives, it is prepared into bio oil starch adhesive；Characterized in that, specifically comprise the following steps：The first step：After 80-100 parts bio oil and 160-200 part absolute ethyl alcohols are thoroughly mixed, bio oil esterification is added to In kettle, 8-10 part catalyst is added, is heated in 50-60 DEG C of water bath with thermostatic control 4-5 hours, cooling discharge obtains bio oil esterification Product；Again with 10-20 part vinylacetates, the mixing of 5-15 parts butyl acrylate, grafted monomers mixed liquor is obtained；Second step：100 parts of starch are configured to the starch that mass fraction is 40% with 140-160 parts 0.3-0.5mol/L hydrochloric acid Emulsion, pour into adhesive reactor, and 50-55 DEG C is warming up in 10-15min, and keep the temperature to be added to the 3rd step 2-4 part oxidants, acid hydrolysis oxidative denaturation 30-50min is carried out, obtains acid hydrolysis oxidative converted starch emulsion；Become again to acid hydrolysis oxidative Property starch emulsion in add the stabilizer that 1-3 parts emulsifying agent and 10-30 parts mass fraction are 8%, be 20% with mass fraction Sodium hydroxide solution adjusts pH to 2-3 in 5-10min, divides 2-4 batches to add the mixing of 40-60 parts grafted monomers in 1-2h Liquid, continue after reacting 0.5-1h, add 0.4-0.6 part initiator for reaction 1-2h and obtain graft copolymerization converted starch emulsion；3rd step：Into graft copolymerization converted starch emulsion, 3-5 batches are divided to add 20-40 part bio oils in 10-20min, instead 40 DEG C are cooled to bottom discharge after answering 30-50min, obtain timber normal temperature cure bio oil starch adhesive.
- 2. preparation method as claimed in claim 1, it is characterised in that described bio oil is the condition in anaerobic or anoxic Under, using medium 500-600 DEG C of reaction temperature, the high rate of heat addition 103-105DEG C/s and short gas residence time less than 2s will be raw Material carries out the liquid product that thermochemical study obtains, moisture content 20%-30%, pH value 2.5-3.5.
- 3. preparation method as claimed in claim 1, it is characterised in that the catalyst is storng-acid cation exchange resin, One kind in its model 732, NKC-9, D072.
- 4. preparation method as claimed in claim 1, it is characterised in that the starch is cornstarch, tapioca or wheat Any one in starch.
- 5. preparation method as claimed in claim 1, it is characterised in that the oxidant and initiator are that mass fraction is Any one in 15% ammonium persulfate, potassium peroxydisulfate, sodium peroxydisulfate.
- 6. preparation method as claimed in claim 1, it is characterised in that the emulsifying agent is lauryl sodium sulfate, dodecane Any one in base benzene sulfonic acid sodium salt, OP-10 or combination.
- 7. preparation method as claimed in claim 1, it is characterised in that the stabilizer is the polyethylene that mass fraction is 8% Alcohol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510332706.2A CN104893629B (en) | 2015-06-16 | 2015-06-16 | A kind of timber normal temperature cure bio oil starch adhesive and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510332706.2A CN104893629B (en) | 2015-06-16 | 2015-06-16 | A kind of timber normal temperature cure bio oil starch adhesive and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104893629A CN104893629A (en) | 2015-09-09 |
| CN104893629B true CN104893629B (en) | 2017-11-28 |
Family
ID=54026602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510332706.2A Active CN104893629B (en) | 2015-06-16 | 2015-06-16 | A kind of timber normal temperature cure bio oil starch adhesive and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104893629B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108165216A (en) * | 2017-12-07 | 2018-06-15 | 明光市永德包装有限公司 | A kind of high stability carton starch adhesive |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105062390B (en) * | 2015-09-23 | 2018-08-31 | 句容市兴武包装有限公司 | A kind of preparation method of metal material adhesive for packaging |
| CN106634733B (en) * | 2016-10-29 | 2018-11-13 | 深圳市利成明电子科技有限公司 | A kind of preparation method of no gel residue splicing adhesive |
| US11365330B2 (en) | 2020-04-09 | 2022-06-21 | The University Of Western Ontario | Process for the production of bio-based formaldehyde-free wood adhesives from lignocellulosic biomass |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102732209B (en) * | 2012-07-06 | 2014-01-08 | 郑州大学 | High-temperature-resistant flexible adhesive cured at normal temperature and preparation method thereof |
| CN102863933B (en) * | 2012-10-15 | 2014-05-28 | 中南林业科技大学 | High-strength waterproof starch-based wood adhesive and preparation method thereof |
| CN103122228B (en) * | 2013-03-01 | 2014-12-10 | 北京林业大学 | Bio-oil starch adhesive for wood and preparation method |
-
2015
- 2015-06-16 CN CN201510332706.2A patent/CN104893629B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108165216A (en) * | 2017-12-07 | 2018-06-15 | 明光市永德包装有限公司 | A kind of high stability carton starch adhesive |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104893629A (en) | 2015-09-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104893629B (en) | A kind of timber normal temperature cure bio oil starch adhesive and preparation method thereof | |
| CN102559108B (en) | Preparation method for water-fast starch adhesive with high initial adhesion | |
| CN101892022A (en) | Starch adhesive for producing corrugated board and preparation method thereof | |
| CN101343516B (en) | API glue host and preparation method | |
| CN104762045B (en) | A kind of modified urea-formaldehyde resin glue sticks the production method of agent | |
| CN105754524A (en) | Preparation method for corn starch based wood adhesive | |
| CN101418199B (en) | Method for preparing starch adhesive for monomer complex formulation wood | |
| CN102732186A (en) | Modified starch adhesive and method for preparing same | |
| CN103788905A (en) | Starch adhesive for environment-friendly timbers and preparation method thereof | |
| CN102086360A (en) | Modified starch-based wood adhesive as well as preparation method and application thereof | |
| CN102634305B (en) | Production method of starch-based formaldehyde-free glue | |
| CN105802544A (en) | Modified starch adhesive | |
| CN103627352A (en) | Emulsion type wood starch adhesive and preparation method thereof | |
| CN105754516B (en) | A kind of starch/phenolic resin composite adhesive and preparation method thereof | |
| CN103937428A (en) | Preparation method of modified corn starch adhesive | |
| CN103788904A (en) | Organic silicon-vinyl acetate-acrylic copolymerized and modified starch-based wood adhesive and preparation process thereof | |
| CN103131360B (en) | Bio-oil starch adhesive used for artificial board and preparation method | |
| CN111748304A (en) | Preparation method of waterproof starch-based wood adhesive with high bonding strength | |
| CN106010371A (en) | High-strength and waterproof wood adhesive and preparation method thereof | |
| CN104356975B (en) | The preparation method of mongolicum Turcz. with Modified Starch Adhesive | |
| CN104974686A (en) | Preparation method of cassava starch-based binder | |
| CN114085629A (en) | Adhesive and preparation method and application thereof | |
| CN104910839B (en) | Regulation and control method for preparation process for bio-oil starch adhesive for wood | |
| CN103131361A (en) | Production method of starch-based non-formaldehyde adhesive for bamboo-wood glued laminated timber splice plates | |
| CN107142053A (en) | A kind of environmentally friendly starch-based glue stick and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |