CN107474767A - One kind is without aldehyde sheet material adhesive and preparation method thereof - Google Patents
One kind is without aldehyde sheet material adhesive and preparation method thereof Download PDFInfo
- Publication number
- CN107474767A CN107474767A CN201710971205.8A CN201710971205A CN107474767A CN 107474767 A CN107474767 A CN 107474767A CN 201710971205 A CN201710971205 A CN 201710971205A CN 107474767 A CN107474767 A CN 107474767A
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- China
- Prior art keywords
- sheet material
- parts
- material adhesive
- aldehyde sheet
- aldehyde
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/08—Homopolymers or copolymers of acrylic acid esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention belongs to adhesive technical field, more particularly to it is a kind of without aldehyde sheet material adhesive, include the composition of following mass parts：30~50 parts of deionized water, 15~30 parts of ethyl acrylate, 5~15 parts of starch ether, 3~10 parts of methyl cellulose ether, 1~5 part of polyvinyl alcohol, 1~10 part of curing agent, 0.5~2 part of thickener, 0.1~1 part of defoamer, 0.1~0.5 part of pH adjusting agent.The environment-protective adhesive prepared compared to prior art, the present invention, material combination is reasonable, environment friendly and pollution-free, and without formaldehyde harmful substance, cement properties and stability are good.In addition, the present invention also provides a kind of preparation method of no aldehyde sheet material adhesive, preparation technology and Preparation equipment simple possible, it is adapted to large-scale industrial production, possesses preferable prospect.
Description
Technical field
The invention belongs to adhesive technical field, more particularly to one kind is without aldehyde sheet material adhesive and preparation method thereof.
Background technology
Sheet material adhesive refers to play itself cohesion, binding function, makes sheet material and sheet material or other materials by adhesion
The material that matter is combined together.Sheet fabrication industry is the maximum industry of adhesive usage amount, sheet material adhesive dosage number can
With for weighing the state of development of a country or region sheet material processing industry.Use the main someone of the product of sheet material adhesive
Make plate, floor, integrated timber and furniture etc..
At present, China's sheet fabrication adhesive dosage more than 85% is urea-formaldehyde resin adhesive.Lauxite is to close
The cheapest kind of price in resin, main component are urea and formaldehyde, and raw material is easy to get, and preparation technology is simple, production cost
It is cheap.As sheet material adhesive, have that excellent adhesive property, ambient temperature curable, technological operation performance be good, water white transparency after solidification
The characteristics of, it is the maximum adhesive made of synthetic resin of current China's sheet material industry usage amount.But free formaldehyde in urea-formaldehyde resin contains
The too high formaldehyde pollution for directly resulting in resin use environment (Workplace) and being glued manufactured goods use environment (room) etc. is measured, sternly
The health of people is endangered again.
In recent years, the harm of formaldehyde is increasingly taken seriously, and formaldehyde is a kind of colourless readily soluble irritative gas, to human body
Have compared with major injury.It is used for interior containing the woodwork that formaldehyde adhesive makes, the Form aldehyde release phase is 15 years.Formaldehyde is higher
The material of toxicity, formaldehyde is in second on China's toxic chemical priority acccess control list.Formaldehyde is by world health group
Knit and be defined as carcinogenic and cause deformed material, be generally acknowledged allergen, and one of potential strong mutagen.
In view of this, it is necessory to provide one kind without aldehyde sheet material adhesive and preparation method thereof.
The content of the invention
An object of the present invention is：In view of the shortcomings of the prior art, there is provided one kind is without aldehyde sheet material adhesive, the gluing
Agent is environment friendly and pollution-free, and bonding strength and stability are good.
To achieve these goals, the present invention uses following technical scheme：
It is a kind of without aldehyde sheet material adhesive, include the composition of following mass parts：30~50 parts of deionized water, ethyl acrylate 15
~30 parts, 5~15 parts of starch ether, 3~10 parts of methyl cellulose ether, 1~5 part of polyvinyl alcohol, 1~10 part of curing agent, thickener
0.5~2 part, 0.1~1 part of defoamer, 0.1~0.5 part of pH adjusting agent.
Environment-protective adhesive prepared by the present invention, material combination is reasonable, environment friendly and pollution-free, without formaldehyde harmful substance, bonding
Performance and stability are good；It should be noted that starch ether and methyl cellulose ether, which are used cooperatively, preferable synergy, one
It is that can significantly improve anti-vertical property and anti-slipping property, there is higher yield value；Second, can substantially increase denseness, mobility is improved
Can, make to scrape smear it is smoother；Third, water-retaining property can be increased, extend the open hour.
One kind as no aldehyde sheet material adhesive of the present invention is improved, and the curing agent solidifies for isocyanates
Agent, the Isocyanates curing agent are the one or more in MDI-50, HMDI, IPDI and HDI.
One kind as no aldehyde sheet material adhesive of the present invention is improved, and the thickener is aqueous polyurethane association type
Thickener or aqueous base swelling acrylic thickener.
One kind as no aldehyde sheet material adhesive of the present invention is improved, and the defoamer is that polyethers modification is organic
One or more in silicon, mineral oil mixture, modified polyorganosiloxane emulsion.
One kind as no aldehyde sheet material adhesive of the present invention is improved, and the pH adjusting agent is trihydroxy methyl amino first
One or more in alkane, organic alcohol amine, potassium methyl silicate and ammoniacal liquor.
It is another object of the present invention to provide a kind of preparation method of no aldehyde sheet material adhesive, comprise the following steps：
Step 1, ethyl acrylate, starch ether, methyl cellulose ether are sequentially added in reactor, are warming up to 55~60
DEG C, stir；
Step 2, polyvinyl alcohol, thickener and defoamer are added into step 1 gained, is continuously heating to 72~78 DEG C,
Insulation 2.5 hours；
Step 3, deionized water is added into step 2 gained, is warming up to 90 DEG C, is stirred in heating；90 DEG C to be achieved
When, stop stirring, and be incubated 15min；
Step 4, pH adjusting agent is added into step 3 gained, is dispersed with stirring uniformly, regulation pH value is 6.5~7.0；
Step 5,50~70 DEG C are cooled the temperature to, add curing agent into step 4 gained, react 1~1.5 hour, treat
Solution completely it is limpid after be down to normal temperature, produce no aldehyde sheet material adhesive.
The a kind of of preparation method as no aldehyde sheet material adhesive of the present invention improves, in step 3, the liter
Temperature is to be heated up with 2 DEG C/sec of speed.
The a kind of of preparation method as no aldehyde sheet material adhesive of the present invention improves, described to stir in step 3
It is 800~1500 turns/min to mix speed.
Adhesive preparation technology and Preparation equipment simple possible of the present invention, it is adapted to large-scale industrial production, possesses preferably
Prospect.
Embodiment
The present invention and its advantage are described in further detail below in conjunction with embodiment, still, this hair
Bright embodiment is not limited thereto.
Embodiment 1
The present embodiment provides a kind of without aldehyde sheet material adhesive, includes the composition of following mass parts：30 parts of deionized water, propylene
15 parts of acetoacetic ester, 5 parts of starch ether, 3 parts of methyl cellulose ether, 1 part of polyvinyl alcohol, 1 part of MDI-50 curing agent, aqueous polyurethane is formed
0.5 part of thickener, 0.1 part of polyethers modified organic silicon defoamer, 0.1 part of trishydroxymethylaminomethane.
The preparation method without aldehyde sheet material adhesive of the present embodiment, comprises the following steps：
Step 1, ethyl acrylate, starch ether, methyl cellulose ether are sequentially added in reactor, are warming up to 55 DEG C, stir
Mix uniformly；
Step 2, polyvinyl alcohol, aqueous polyurethane association thickener and polyethers modification are added into step 1 gained
Organic silicon defoamer, 72 DEG C are continuously heating to, are incubated 2.5 hours；
Step 3, deionized water is added into step 2 gained, 90 DEG C are warming up to 2 DEG C/sec of speed, is stirred in heating
Mix, mixing speed is 800 turns/min；At 90 DEG C to be achieved, stop stirring, and be incubated 15min；
Step 4, trishydroxymethylaminomethane is added into step 3 gained, is dispersed with stirring uniformly, regulation pH value is 6.5；
Step 5,50 DEG C are cooled the temperature to, add MDI-50 curing agent into step 4 gained, react 1 hour, treat solution
Completely it is limpid after be down to normal temperature, produce no aldehyde sheet material adhesive.
Embodiment 2
The present embodiment provides a kind of without aldehyde sheet material adhesive, includes the composition of following mass parts：50 parts of deionized water, propylene
30 parts of acetoacetic ester, 15 parts of starch ether, 10 parts of methyl cellulose ether, 5 parts of polyvinyl alcohol, 10 parts of HMDI curing agent, aqueous polyurethane
2 parts of association thickener, 1 part of mineral oil mixture defoamer, 0.5 part of potassium methyl silicate.
The preparation method without aldehyde sheet material adhesive of the present embodiment, comprises the following steps：
Step 1, ethyl acrylate, starch ether, methyl cellulose ether are sequentially added in reactor, are warming up to 60 DEG C, stir
Mix uniformly；
Step 2, polyvinyl alcohol, aqueous polyurethane association thickener and mineral oil are added into step 1 gained
Thing defoamer, 78 DEG C are continuously heating to, are incubated 2.5 hours；
Step 3, deionized water is added into step 2 gained, 90 DEG C are warming up to 2 DEG C/sec of speed, is stirred in heating
Mix, mixing speed is 1000 turns/min；At 90 DEG C to be achieved, stop stirring, and be incubated 15min；
Step 4, potassium methyl silicate is added into step 3 gained, is dispersed with stirring uniformly, regulation pH value is 7.0；
Step 5,70 DEG C are cooled the temperature to, add HMDI curing agent into step 4 gained, react 1.5 hours, treat solution
Completely it is limpid after be down to normal temperature, produce no aldehyde sheet material adhesive.
Embodiment 3
The present embodiment provides a kind of without aldehyde sheet material adhesive, includes the composition of following mass parts：40 parts of deionized water, propylene
Totally 5 parts of 20 parts of acetoacetic ester, 10 parts of starch ether, 6 parts of methyl cellulose ether, 3 parts of polyvinyl alcohol, IPDI curing agent and HDI curing agent,
Aqueous base is swelled 1 part of acrylic thickener, 0.5 part of modified polyorganosiloxane emulsion defoamer, 0.3 part of ammoniacal liquor.
The preparation method without aldehyde sheet material adhesive of the present embodiment, comprises the following steps：
Step 1, ethyl acrylate, starch ether, methyl cellulose ether are sequentially added in reactor, are warming up to 58 DEG C, stir
Mix uniformly；
Step 2, polyvinyl alcohol, aqueous base swelling acrylic thickener and modified poly- silica are added into step 1 gained
Alkane emulsion defoamer, 75 DEG C are continuously heating to, are incubated 2.5 hours；
Step 3, deionized water is added into step 2 gained, 90 DEG C are warming up to 2 DEG C/sec of speed, is stirred in heating
Mix, mixing speed is 1200 turns/min；At 90 DEG C to be achieved, stop stirring, and be incubated 15min；
Step 4, ammoniacal liquor is added into step 3 gained, is dispersed with stirring uniformly, regulation pH value is 6.8；
Step 5,60 DEG C are cooled the temperature to, IPDI curing agent and HDI curing agent, reaction 1.2 are added into step 4 gained
Hour, normal temperature is down to after solution is completely limpid, produces no aldehyde sheet material adhesive.
Embodiment 4
The present embodiment provides a kind of without aldehyde sheet material adhesive, includes the composition of following mass parts：35 parts of deionized water, propylene
4 parts of 18 parts of acetoacetic ester, 12 parts of starch ether, 8 parts of methyl cellulose ether, 2 parts of polyvinyl alcohol, MDI-50 curing agent and HDI curing agent,
Aqueous base is swelled 1.5 parts of acrylic thickener, polyethers modified organic silicon defoamer and mineral oil mixture defoamer totally 0.6
Part, totally 0.2 part of organic alcohol amine and ammoniacal liquor.
The preparation method without aldehyde sheet material adhesive of the present embodiment, comprises the following steps：
Step 1, ethyl acrylate, starch ether, methyl cellulose ether are sequentially added in reactor, are warming up to 55 DEG C, stir
Mix uniformly；
Step 2, add polyvinyl alcohol into step 1 gained, aqueous base is swelled acrylic thickener, polyethers modification has
Machine silicon defoaming agent and mineral oil mixture defoamer, 72 DEG C are continuously heating to, are incubated 2.5 hours；
Step 3, deionized water is added into step 2 gained, 90 DEG C are warming up to 2 DEG C/sec of speed, is stirred in heating
Mix, mixing speed is 1500 turns/min；At 90 DEG C to be achieved, stop stirring, and be incubated 15min；
Step 4, organic alcohol amine and ammoniacal liquor are added into step 3 gained, is dispersed with stirring uniformly, regulation pH value is 6.5；
Step 5,55 DEG C are cooled the temperature to, MDI-50 curing agent and HDI curing agent, reaction are added into step 4 gained
1.5 hours, normal temperature is down to after solution is completely limpid, produces no aldehyde sheet material adhesive.
Embodiment 5
The present embodiment provides a kind of without aldehyde sheet material adhesive, includes the composition of following mass parts：45 parts of deionized water, propylene
24 parts of acetoacetic ester, 8 parts of starch ether, 4 parts of methyl cellulose ether, 2 parts of polyvinyl alcohol, 6 parts of IPDI curing agent, aqueous polyurethane association
Totally 1 part of 1 part of type thickener, polyethers modified organic silicon defoamer and modified polyorganosiloxane emulsion defoamer, trihydroxy methyl amino
Totally 0.4 part of methane and potassium methyl silicate.
The preparation method without aldehyde sheet material adhesive of the present embodiment, comprises the following steps：
Step 1, ethyl acrylate, starch ether, methyl cellulose ether are sequentially added in reactor, are warming up to 60 DEG C, stir
Mix uniformly；
Step 2, polyvinyl alcohol, aqueous polyurethane association thickener are added into obtained by step 1, polyethers are modified has
Machine silicon defoaming agent and modified polyorganosiloxane emulsion defoamer, 75 DEG C are continuously heating to, are incubated 2.5 hours；
Step 3, deionized water is added into step 2 gained, 90 DEG C are warming up to 2 DEG C/sec of speed, is stirred in heating
Mix, mixing speed is 900 turns/min；At 90 DEG C to be achieved, stop stirring, and be incubated 15min；
Step 4, trishydroxymethylaminomethane and potassium methyl silicate are added into step 3 gained, is dispersed with stirring uniformly, adjusts
It is 7.0 to save pH value；
Step 5,70 DEG C are cooled the temperature to, add IPDI curing agent into step 4 gained, react 1 hour, treat that solution is complete
Normal temperature is down to after all clear is clear, produces no aldehyde sheet material adhesive.
Obtained to embodiment 1~5 to carry out performance test without aldehyde sheet material adhesive, specific test result is shown in Table 1.
The test result of table 1
From table 1, adhesive prepared by the present invention is environment friendly and pollution-free, and bonding strength is strong, and stability is good, and sheet material opens
Time is grown, and is suitable for sheet fabrication.
The announcement and teaching of book according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and changed.Therefore, the invention is not limited in above-mentioned embodiment, every those skilled in the art exist
Made any conspicuously improved, replacement or modification belong to protection scope of the present invention on the basis of the present invention.This
Outside, although having used some specific terms in this specification, these terms merely for convenience of description, not to the present invention
Form any restrictions.
Claims (8)
1. one kind is without aldehyde sheet material adhesive, it is characterised in that includes the composition of following mass parts：30~50 parts of deionized water, third
15~30 parts of olefin(e) acid ethyl ester, 5~15 parts of starch ether, 3~10 parts of methyl cellulose ether, 1~5 part of polyvinyl alcohol, curing agent 1~10
Part, 0.5~2 part of thickener, 0.1~1 part of defoamer, 0.1~0.5 part of pH adjusting agent.
2. no aldehyde sheet material adhesive according to claim 1, it is characterised in that：The curing agent solidifies for isocyanates
Agent, the Isocyanates curing agent are the one or more in MDI-50, HMDI, IPDI and HDI.
3. no aldehyde sheet material adhesive according to claim 1, it is characterised in that：The thickener associates for aqueous polyurethane
Type thickener or aqueous base swelling acrylic thickener.
4. no aldehyde sheet material adhesive according to claim 1, it is characterised in that：The defoamer is that polyethers modification is organic
One or more in silicon, mineral oil mixture, modified polyorganosiloxane emulsion.
5. no aldehyde sheet material adhesive according to claim 1, it is characterised in that：The pH adjusting agent is trihydroxy methyl amino
One or more in methane, organic alcohol amine, potassium methyl silicate and ammoniacal liquor.
A kind of 6. preparation method without aldehyde sheet material adhesive described in any one of Claims 1 to 5, it is characterised in that including with
Lower step：
Step 1, ethyl acrylate, starch ether, methyl cellulose ether are sequentially added in reactor, are warming up to 55~60 DEG C, stir
Mix uniformly；
Step 2, polyvinyl alcohol, thickener and defoamer are added into step 1 gained, is continuously heating to 72~78 DEG C, insulation
2.5 hour；
Step 3, deionized water is added into step 2 gained, is warming up to 90 DEG C, is stirred in heating；At 90 DEG C to be achieved, stop
Only stir, and be incubated 15min；
Step 4, pH adjusting agent is added into step 3 gained, is dispersed with stirring uniformly, regulation pH value is 6.5~7.0；
Step 5,50~70 DEG C are cooled the temperature to, add curing agent into step 4 gained, react 1~1.5 hour, treat solution
Completely it is limpid after be down to normal temperature, produce no aldehyde sheet material adhesive.
7. the preparation method of no aldehyde sheet material adhesive according to claim 6, it is characterised in that：It is described in step 3
Heat up to be heated up with 2 DEG C/sec of speed.
8. the preparation method of no aldehyde sheet material adhesive according to claim 6, it is characterised in that：It is described in step 3
Mixing speed is 800~1500 turns/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710971205.8A CN107474767A (en) | 2017-10-18 | 2017-10-18 | One kind is without aldehyde sheet material adhesive and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710971205.8A CN107474767A (en) | 2017-10-18 | 2017-10-18 | One kind is without aldehyde sheet material adhesive and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107474767A true CN107474767A (en) | 2017-12-15 |
Family
ID=60605318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710971205.8A Pending CN107474767A (en) | 2017-10-18 | 2017-10-18 | One kind is without aldehyde sheet material adhesive and preparation method thereof |
Country Status (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110510908A (en) * | 2019-08-08 | 2019-11-29 | 泰源工程集团股份有限公司 | A kind of paving cement mortar modified additive |
| CN113717673A (en) * | 2021-09-28 | 2021-11-30 | 上海昶法新材料有限公司 | Method for improving opening time of phenolic resin adhesive |
| CN114774055A (en) * | 2022-04-28 | 2022-07-22 | 万华化学集团股份有限公司 | Adhesive for plywood without formaldehyde, preparation method of adhesive, plywood and preparation method of plywood |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102604561A (en) * | 2012-01-18 | 2012-07-25 | 滨州职业学院 | Aqueous adhesive and preparation method thereof |
| CN105542668A (en) * | 2016-02-24 | 2016-05-04 | 杭州富阳高博信息技术服务有限公司 | Environment-friendly adhesive for plates |
| CN106243961A (en) * | 2016-08-25 | 2016-12-21 | 田菱精细化工（昆山）有限公司 | Display screen processing aqueous peelable glue and preparation method thereof |
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2017
- 2017-10-18 CN CN201710971205.8A patent/CN107474767A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102604561A (en) * | 2012-01-18 | 2012-07-25 | 滨州职业学院 | Aqueous adhesive and preparation method thereof |
| CN105542668A (en) * | 2016-02-24 | 2016-05-04 | 杭州富阳高博信息技术服务有限公司 | Environment-friendly adhesive for plates |
| CN106243961A (en) * | 2016-08-25 | 2016-12-21 | 田菱精细化工（昆山）有限公司 | Display screen processing aqueous peelable glue and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110510908A (en) * | 2019-08-08 | 2019-11-29 | 泰源工程集团股份有限公司 | A kind of paving cement mortar modified additive |
| CN113717673A (en) * | 2021-09-28 | 2021-11-30 | 上海昶法新材料有限公司 | Method for improving opening time of phenolic resin adhesive |
| CN114774055A (en) * | 2022-04-28 | 2022-07-22 | 万华化学集团股份有限公司 | Adhesive for plywood without formaldehyde, preparation method of adhesive, plywood and preparation method of plywood |
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