CN109266292A - A kind of environmental protection casting glue - Google Patents
A kind of environmental protection casting glue Download PDFInfo
- Publication number
- CN109266292A CN109266292A CN201811039138.7A CN201811039138A CN109266292A CN 109266292 A CN109266292 A CN 109266292A CN 201811039138 A CN201811039138 A CN 201811039138A CN 109266292 A CN109266292 A CN 109266292A
- Authority
- CN
- China
- Prior art keywords
- parts
- casting glue
- environmental protection
- defoaming agent
- catalyst
- 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.)
- Pending
Links
- 238000005266 casting Methods 0.000 title claims abstract description 43
- 239000003292 glue Substances 0.000 title claims abstract description 43
- 230000007613 environmental effect Effects 0.000 title claims abstract description 29
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 40
- 229920000570 polyether Polymers 0.000 claims abstract description 33
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 31
- 229920005862 polyol Polymers 0.000 claims abstract description 31
- 150000003077 polyols Chemical class 0.000 claims abstract description 31
- 239000012948 isocyanate Substances 0.000 claims abstract description 30
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 30
- 239000003054 catalyst Substances 0.000 claims abstract description 28
- 239000003063 flame retardant Substances 0.000 claims abstract description 26
- 238000002360 preparation method Methods 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- -1 phenylenedimethylidyne Chemical group 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 12
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 12
- 229920001451 polypropylene glycol Polymers 0.000 claims description 11
- 229920001228 polyisocyanate Polymers 0.000 claims description 8
- 239000005056 polyisocyanate Substances 0.000 claims description 8
- 230000018044 dehydration Effects 0.000 claims description 7
- 238000006297 dehydration reaction Methods 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical compound ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims description 6
- 239000004014 plasticizer Substances 0.000 claims description 6
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 5
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 2
- 150000005846 sugar alcohols Polymers 0.000 claims 2
- OTEKOJQFKOIXMU-UHFFFAOYSA-N 1,4-bis(trichloromethyl)benzene Chemical compound ClC(Cl)(Cl)C1=CC=C(C(Cl)(Cl)Cl)C=C1 OTEKOJQFKOIXMU-UHFFFAOYSA-N 0.000 claims 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims 1
- KXBFLNPZHXDQLV-UHFFFAOYSA-N [cyclohexyl(diisocyanato)methyl]cyclohexane Chemical compound C1CCCCC1C(N=C=O)(N=C=O)C1CCCCC1 KXBFLNPZHXDQLV-UHFFFAOYSA-N 0.000 claims 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 1
- 150000003512 tertiary amines Chemical group 0.000 claims 1
- 238000006555 catalytic reaction Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 2
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical compound C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- 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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/08—Polyurethanes from polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4825—Polyethers containing two hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4829—Polyethers containing at least three hydroxy groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a kind of environmentally friendly casting glues, including below according to the raw material of parts by weight: 50-70 parts of polyether polyol, 15-25 parts of isocyanates, 1-3 parts of catalyst, 5-8 parts of fire retardant, 2-4 parts of defoaming agent.The invention also discloses the preparation methods of the environmentally friendly casting glue.Environmental protection encapsulating adhesiveness prepared by the present invention is low, and wellability is good, and cured product has both toughness and heat resistance, moreover, the preparation method of the environmental protection casting glue is simple, it is easy to industrialized production.
Description
Technical field
The present invention relates to a kind of high-performance environment protection type adhesive, specifically a kind of environmental protection casting glue.
Background technique
Casting glue is widely used in the bonding of electronic component, sealing and encapsulating.Casting glue is liquid before uncured
Shape has mobility, and casting glue has the effects that waterproof, moisture-proof, insulation, dust-proof, anticorrosion after solidification.
Currently, increasing to the demand of casting glue in the market, still, the requirement to casting glue is also higher and higher, for example,
Some electronic components require encapsulating adhesiveness low, and good toughness is environment friendly and pollution-free；Therefore, in view of the above-mentioned problems, the present invention proposes
A kind of environmentally friendly casting glue and preparation method, the environmental protection encapsulating adhesiveness is low, wellability is good, and cured product has both toughness and heat-resisting
Property, moreover, the preparation method of the environmental protection casting glue is simple, it is easy to industrialized production.
Summary of the invention
The purpose of the present invention is to provide a kind of environmentally friendly casting glues, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of environmental protection casting glue, including below according to the raw material of parts by weight: 50-70 parts of polyether polyol, isocyanates 15-25
Part, 1-3 parts of catalyst, 5-8 parts of fire retardant, 2-4 parts of defoaming agent.
As a further solution of the present invention: including below according to the raw material of parts by weight: 55-65 parts of polyether polyol, different
15-20 parts of cyanate, 1-2 parts of catalyst, 6-8 parts of fire retardant, 2-3 parts of defoaming agent.
As further scheme of the invention: including below according to the raw material of parts by weight: 60 parts of polyether polyol, isocyanide
20 parts of acid esters, 2 parts of catalyst, 6 parts of fire retardant, 2 parts of defoaming agent.
The preparation method of the environmental protection casting glue, steps are as follows:
1) polyether polyol, isocyanates, catalyst, fire retardant and defoaming agent are weighed respectively by weight, it is spare；
2) the weighed polyether polyol of step 1) is placed in closed container, vacuum dehydration 1.5- at a temperature of 100-120 DEG C
2h；
3) after the completion of step 2 operation, it is cooled to 30-50 DEG C, the weighed isocyanates of step 1) and catalyst, reaction is added
2-3h, reaction process lead to nitrogen protection；
4) weighed fire retardant and defoaming agent in step 1) are added into product made from step 3), is uniformly mixed, ring is made
Protect casting glue product.
As further scheme of the invention: the polyether polyol includes polyoxypropyleneglycol, polypropylene oxide
Any one or two kinds of triol.
As further scheme of the invention: the isocyanates includes methyl diphenylene diisocyanate, more phenyl
Any one or more in methane polyisocyanates, phenylenedimethylidyne dicyanate.
As further scheme of the invention: the plasticizer is dibutyl phthalate.
As further scheme of the invention: the catalyst is tertiary amine compounds.
As further scheme of the invention: the defoaming agent is the model airex940 of German Digao company production
Defoaming agent.
Compared with prior art, the beneficial effects of the present invention are:
The environmental protection encapsulating adhesiveness is low, and wellability is good, and cured product has both toughness and heat resistance, moreover, the environmental protection casting glue
Preparation method is simple, easy to industrialized production.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
A kind of environmental protection casting glue, including below according to the raw material of parts by weight: 50 parts of polyether polyol, 15 parts of isocyanates, catalysis
1 part of agent, 5 parts of fire retardant, 2 parts of defoaming agent.
In the present embodiment, the preparation method of the environmental protection casting glue, steps are as follows:
1) polyether polyol, isocyanates, catalyst, fire retardant and defoaming agent are weighed respectively by weight, it is spare；
2) the weighed polyether polyol of step 1) is placed in closed container, vacuum dehydration 1.5h at a temperature of 100 DEG C；
3) after the completion of step 2 operation, 30 DEG C are cooled to, the weighed isocyanates of step 1) and catalyst is added, reacts 2h,
Reaction process leads to nitrogen protection；
4) weighed fire retardant and defoaming agent in step 1) are added into product made from step 3), is uniformly mixed, ring is made
Protect casting glue product.
Wherein: the polyether polyol is polyoxypropyleneglycol；The isocyanates is diphenylmethane diisocyanate
Ester；The plasticizer is dibutyl phthalate；The catalyst is tertiary amine compounds；The defoaming agent is German Digao
The defoaming agent of the model airex940 of company's production.
Embodiment 2
A kind of environmental protection casting glue, including below according to the raw material of parts by weight: 70 parts of polyether polyol, 25 parts of isocyanates, catalysis
3 parts of agent, 8 parts of fire retardant, 4 parts of defoaming agent.
In the present embodiment, the preparation method of the environmental protection casting glue, steps are as follows:
1) polyether polyol, isocyanates, catalyst, fire retardant and defoaming agent are weighed respectively by weight, it is spare；
2) the weighed polyether polyol of step 1) is placed in closed container, vacuum dehydration 2h at a temperature of 120 DEG C；
3) after the completion of step 2 operation, 50 DEG C are cooled to, the weighed isocyanates of step 1) and catalyst is added, reacts 3h,
Reaction process leads to nitrogen protection；
4) weighed fire retardant and defoaming agent in step 1) are added into product made from step 3), is uniformly mixed, ring is made
Protect casting glue product.
Wherein: the polyether polyol is polypropylene oxide triol；The isocyanates is more phenylmethane polyisocyanic acid
Ester；The plasticizer is dibutyl phthalate；The catalyst is tertiary amine compounds；The defoaming agent is German Digao
The defoaming agent of the model airex940 of company's production.
Embodiment 3
A kind of environmental protection casting glue, including below according to the raw material of parts by weight: 55 parts of polyether polyol, 15 parts of isocyanates, catalysis
1 part of agent, 6 parts of fire retardant, 2 parts of defoaming agent.
In the present embodiment, the preparation method of the environmental protection casting glue, steps are as follows:
1) polyether polyol, isocyanates, catalyst, fire retardant and defoaming agent are weighed respectively by weight, it is spare；
2) the weighed polyether polyol of step 1) is placed in closed container, vacuum dehydration 1.6h at a temperature of 110 DEG C；
3) after the completion of step 2 operation, 40 DEG C are cooled to, the weighed isocyanates of step 1) and catalyst, reaction is added
2.5h, reaction process lead to nitrogen protection；
4) weighed fire retardant and defoaming agent in step 1) are added into product made from step 3), is uniformly mixed, ring is made
Protect casting glue product.
Wherein: the polyether polyol includes polyoxypropyleneglycol and polypropylene oxide triol, and polypropylene oxide two
The ratio of pure and mild polypropylene oxide triol is 1:1；The isocyanates includes methyl diphenylene diisocyanate, more phenylmethanes
Polyisocyanates and phenylenedimethylidyne dicyanate, and methyl diphenylene diisocyanate, polyphenyl methane polyisocyanate and
The ratio of phenylenedimethylidyne dicyanate is 2:1:1；The catalyst is tertiary amine compounds；The defoaming agent is German Digao
The defoaming agent of the model airex940 of company's production.
Embodiment 4
A kind of environmental protection casting glue, including below according to the raw material of parts by weight: 65 parts of polyether polyol, 20 parts of isocyanates, catalysis
2 parts of agent, 8 parts of fire retardant, 3 parts of defoaming agent.
In the present embodiment, the preparation method of the environmental protection casting glue, steps are as follows:
1) polyether polyol, isocyanates, catalyst, fire retardant and defoaming agent are weighed respectively by weight, it is spare；
2) the weighed polyether polyol of step 1) is placed in closed container, vacuum dehydration 1.8h at a temperature of 115 DEG C；
3) after the completion of step 2 operation, 45 DEG C are cooled to, the weighed isocyanates of step 1) and catalyst, reaction is added
2.5h, reaction process lead to nitrogen protection；
4) weighed fire retardant and defoaming agent in step 1) are added into product made from step 3), is uniformly mixed, ring is made
Protect casting glue product.
Wherein: the polyether polyol is polyoxypropyleneglycol；The isocyanates includes more phenylmethane polyisocyanate cyanogen
Acid esters and phenylenedimethylidyne dicyanate, and polyphenyl methane polyisocyanate and the ratio of phenylenedimethylidyne dicyanate are 2:
1；The plasticizer is dibutyl phthalate；The catalyst is tertiary amine compounds；The defoaming agent is German Digao
The defoaming agent of the model airex940 of company's production.
Embodiment 5
A kind of environmental protection casting glue, including below according to the raw material of parts by weight: 60 parts of polyether polyol, 20 parts of isocyanates, catalysis
2 parts of agent, 6 parts of fire retardant, 2 parts of defoaming agent.
In the present embodiment, the preparation method of the environmental protection casting glue, steps are as follows:
1) polyether polyol, isocyanates, catalyst, fire retardant and defoaming agent are weighed respectively by weight, it is spare；
2) the weighed polyether polyol of step 1) is placed in closed container, vacuum dehydration 1.9h at a temperature of 120 DEG C；
3) after the completion of step 2 operation, 45 DEG C are cooled to, the weighed isocyanates of step 1) and catalyst, reaction is added
2.8h, reaction process lead to nitrogen protection；
4) weighed fire retardant and defoaming agent in step 1) are added into product made from step 3), is uniformly mixed, ring is made
Protect casting glue product.
Wherein: the polyether polyol is polypropylene oxide triol；The isocyanates includes two isocyanide of diphenyl methane
Acid esters and polyphenyl methane polyisocyanate, and the ratio of methyl diphenylene diisocyanate and polyphenyl methane polyisocyanate
For 1:2；The plasticizer is dibutyl phthalate；The catalyst is tertiary amine compounds；The defoaming agent is Germany
The defoaming agent of the model airex940 of Digao company production.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
It makes a variety of changes.
Claims (9)
1. a kind of environmental protection casting glue, which is characterized in that including below according to the raw material of parts by weight: 50-70 parts of polyether polyol, different
15-25 parts of cyanate, 1-3 parts of catalyst, 5-8 parts of fire retardant, 2-4 parts of defoaming agent.
2. environmental protection casting glue according to claim 1, which is characterized in that including below according to the raw material of parts by weight: polyethers
55-65 parts of polyalcohol, 15-20 parts of isocyanates, 1-2 parts of catalyst, 6-8 parts of fire retardant, 2-3 parts of defoaming agent.
3. environmental protection casting glue according to claim 2, which is characterized in that including below according to the raw material of parts by weight: polyethers
60 parts of polyalcohol, 20 parts of isocyanates, 2 parts of catalyst, 6 parts of fire retardant, 2 parts of defoaming agent.
4. a kind of preparation method of environmentally friendly casting glue a method according to any one of claims 1-3, which is characterized in that steps are as follows:
1) polyether polyol, isocyanates, catalyst, fire retardant and defoaming agent are weighed respectively by weight, it is spare；
2) the weighed polyether polyol of step 1) is placed in closed container, vacuum dehydration 1.5- at a temperature of 100-120 DEG C
2h；
3) after the completion of step 2 operation, it is cooled to 30-50 DEG C, the weighed isocyanates of step 1) and catalyst, reaction is added
2-3h, reaction process lead to nitrogen protection；
4) weighed fire retardant and defoaming agent in step 1) are added into product made from step 3), is uniformly mixed, ring is made
Protect casting glue product.
5. the preparation method of environmental protection casting glue according to claim 4, which is characterized in that the polyether polyol includes poly-
Any one or two kinds of propylene oxide glycol, polypropylene oxide triol.
6. the preparation method of environmental protection casting glue according to claim 4, which is characterized in that the isocyanates includes hexichol
Dicyclohexylmethane diisocyanate, polyphenyl methane polyisocyanate, any one or more in phenylenedimethylidyne dicyanate.
7. the preparation method of environmental protection casting glue according to claim 4, which is characterized in that the plasticizer is O-phthalic
Dibutyl phthalate.
8. the preparation method of environmental protection casting glue according to claim 4, which is characterized in that the catalyst is tertiary amines
Close object.
9. the preparation method of environmental protection casting glue according to claim 4, which is characterized in that the defoaming agent is German Digao
The defoaming agent of the model airex940 of company's production.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811039138.7A CN109266292A (en) | 2018-09-06 | 2018-09-06 | A kind of environmental protection casting glue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811039138.7A CN109266292A (en) | 2018-09-06 | 2018-09-06 | A kind of environmental protection casting glue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109266292A true CN109266292A (en) | 2019-01-25 |
Family
ID=65188487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811039138.7A Pending CN109266292A (en) | 2018-09-06 | 2018-09-06 | A kind of environmental protection casting glue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109266292A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1594481A (en) * | 2004-06-24 | 2005-03-16 | 淄博海特曼化工有限公司 | Solvent-free high-strength polyurethane cementing sealing glue and method for making same |
| CN101591420A (en) * | 2008-05-27 | 2009-12-02 | 上海合达聚合物科技有限公司 | A kind of plastic-blasting polyurethane composition, its preparation method and application thereof |
| CN101629061A (en) * | 2008-07-14 | 2010-01-20 | 上海新光化工有限公司 | Monocomponent moisture cure urethanes adhesive |
| CN102102006A (en) * | 2010-12-20 | 2011-06-22 | 东莞市宏达聚氨酯有限公司 | A kind of preparation method of two-component polyurethane potting glue and its products |
| CN106978126A (en) * | 2017-03-21 | 2017-07-25 | 佛山市顺德区巴德富实业有限公司 | A kind of quick-setting single-component polyurethane adhesive of normal temperature and preparation method thereof |
-
2018
- 2018-09-06 CN CN201811039138.7A patent/CN109266292A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1594481A (en) * | 2004-06-24 | 2005-03-16 | 淄博海特曼化工有限公司 | Solvent-free high-strength polyurethane cementing sealing glue and method for making same |
| CN101591420A (en) * | 2008-05-27 | 2009-12-02 | 上海合达聚合物科技有限公司 | A kind of plastic-blasting polyurethane composition, its preparation method and application thereof |
| CN101629061A (en) * | 2008-07-14 | 2010-01-20 | 上海新光化工有限公司 | Monocomponent moisture cure urethanes adhesive |
| CN102102006A (en) * | 2010-12-20 | 2011-06-22 | 东莞市宏达聚氨酯有限公司 | A kind of preparation method of two-component polyurethane potting glue and its products |
| CN106978126A (en) * | 2017-03-21 | 2017-07-25 | 佛山市顺德区巴德富实业有限公司 | A kind of quick-setting single-component polyurethane adhesive of normal temperature and preparation method thereof |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20190125 |