CN108753243A - Multigroup part of polyurethane pouring sealant of one kind and preparation method thereof - Google Patents
Multigroup part of polyurethane pouring sealant of one kind and preparation method thereof Download PDFInfo
- Publication number
- CN108753243A CN108753243A CN201810659754.6A CN201810659754A CN108753243A CN 108753243 A CN108753243 A CN 108753243A CN 201810659754 A CN201810659754 A CN 201810659754A CN 108753243 A CN108753243 A CN 108753243A
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- component
- casting glue
- polyurethane casting
- component polyurethane
- parts
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- ZXMPSTMIJQZYLV-UHFFFAOYSA-N CN1N=Cc(cccc2)c2C1=O Chemical compound CN1N=Cc(cccc2)c2C1=O ZXMPSTMIJQZYLV-UHFFFAOYSA-N 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
- C09J175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2206—Oxides; Hydroxides of metals of calcium, strontium or barium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The invention discloses a kind of Multi-component Polyurethanes to wash sealing, including component A and B component, wherein the component A includes each component of following mass fraction：10~50 parts of castor oil polyhydric alcohol, 5~50 parts of polyester polyol, 5~30 parts of polyether polyol, 10~50 parts of filler, 1~30 part of fire retardant, 0.001~0.006 part of catalyst；The B component includes each component of following mass fraction：1~20 part of curing agent, 1~20 part of diluent.The Multi-component Polyurethane casting glue of the present invention has the characteristics that resistance to electric trace, halogen-free flameproof and adhesion strength are high, is with a wide range of applications in the sealing of the component in various fields and protection field.It is simple for process the present invention also provides a kind of Multi-component Polyurethane casting glue preparation method, it is low for equipment requirements, it is of low cost, it is suitable for commercial application and produces.
Description
Technical field
The invention belongs to field of material technology more particularly to a kind of Multi-component Polyurethane casting glue and preparation method thereof.
Background technology
Polyurethane pouring sealant is also known as PU casting glues, usually by the polyalcohol of the oligomer such as polyester, polyethers and poly double-olefin with
Diisocyanate, using dihydric alcohol or diamine as chain extender, by being gradually polymerized.The characteristics of polyurethane potting material is hard
Low, moderate strength is spent, elasticity is good, water-fast, mould proof, shockproof, transparent, there is excellent electrical insulating property and flame retardancy, to electric appliance member
Part is corrosion-free, has preferable cementability to the metals such as steel, aluminium, copper, tin and the materials such as rubber, plastics, wooden.Embedding Material
Can make installation and the electronic component debugged and circuit not by shake, burn into is moist and dust etc. is influenced.Polyurethane pouring sealant
Ambient temperature curable is avoided due to causing electronics, the damage of electrical component and performance to decline in the medium temperature liter that is heating and curing.Due to
Embedding cures at room temperature, does not need the huge equipment that is heating and curing, thus, it is that electronics, electric parts be damp proof, anti-corrosion treatment
Ideal Embedding Material.
It is higher and higher with the level of development in science and technology, the comprehensive performance of encapsulating polyurethane glue material is required also increasingly
It is high.Polyurethane pouring sealant is easy to happen fire incident, therefore because often working under the mal-conditions such as high voltage, fever, electric discharge
It is required that casting glue has good flame retardant property and electrical insulation capability.Proof tracking index is higher, encapsulating polyurethane glue material
Electrical insulation capability under high humidity, dirty environment is better, otherwise performance is poorer.Meanwhile as embedding glue material, need to meet
Certain adhesion strength just can guarantee its using effect.However currently, it can still meet simultaneously without a kind of embedding glue material above-mentioned
Performance.Therefore, it researches and develops a kind of while having resistance to electric trace, flame retardant property good and the encapsulating polyurethane of the performance advantages such as adhesion strength height
Glue has a very important significance for this field.
Invention content
The technical problem to be solved by the present invention is to overcome the shortcomings of to mention in background above technology and defect, provide a kind of tool
The multicomponent for having resistance to electric trace (compared to electric trace coefficient >=600V), halogen-free flameproof (flame retardant property reaches UL94V-0 grades), adhesion strength high is poly-
Urethane casting glue and preparation method thereof makes it be with a wide range of applications in the sealing of the component in various fields and protection field.
In order to solve the above technical problems, technical solution proposed by the present invention is to provide a kind of Multi-component Polyurethane casting glue,
Including component A and B component, wherein the component A includes each component of following mass fraction：
The B component includes each component of following mass fraction：
1~20 part of curing agent,
1~20 part of diluent.
Above-mentioned Multi-component Polyurethane casting glue, it is preferred that the castor oil polyhydric alcohol is obtained by castor oil by modification,
The Polycin T-400 of Fan Telusi companies of more preferable U.S. production.
Preferably, include following structural unit in the structural formula of the castor oil polyhydric alcohol：
Above structure unit is added in the structural formula main chain of castor oil polyhydric alcohol, preferably resistance to electric trace can be made it have
And flame retardant property.
Castor oil polyhydric alcohol is modified by the reproducible castor oil of green, and it is more to prepare high hydroxyl value, easily crosslinked castor oil
First alcohol, it is poor to solve castor oil reactivity, product slow curing, easy the problems such as shrinking, miscellaneous naphthylene group is connect on main chain, be allowed to solid
There is excellent resistance to electric trace after change (compared to electric trace coefficient >=600V).The density for increasing its main chain unsaturated bond, enables
Self-crosslinking reaction occurs, inierpeneirating network structure can also be formed, improve the tensile shear strength of polyurethane pouring sealant.
Preferably, the fire retardant includes nano-meter flame retardants and expanding fire retardant.
Preferably, the nano-meter flame retardants include montmorillonite, carbon nanotube, graphite oxide, layered double hydroxide
One or more of with rectorite, mass fraction is respectively 0~10 part of montmorillonite, 10~15 parts of carbon nanotube, oxidation stone
0~5 part of ink, 0~10 part of layered double hydroxide, 0~3 part of rectorite；The expanding fire retardant include DOPO-HQ,
One kind in DOPO-NQ, DOPO2-TDA, DOPO-MA, DOPO-ITA, ammonium polyphosphate, phosphate ester flame retardants, hypophosphites or
Several, mass fraction is respectively 0~10 part of DOPO-HQ, 0~15 part of DOPO-NQ, 0~5 part of DOPO2-TDA, DOPO-MA
0~10 part, 0~5 part of DOPO-ITA, 0~30 part of ammonium polyphosphate, 0~2 part of phosphate ester flame retardants, 0~2 part of hypophosphites.
Using the compound of different types of halogen-free flame retardants, the flame retarding efficiency of halogen-free flame retardants can be improved, it is reduced and fills out
Charge has synergistic effect, can improve expandable flame retardant body when nano-meter flame retardants are compounded with expanding fire retardant (phosphorus flame retardant)
The layer of charcoal quality of system improves flame retardant property.The fire retardant that the present invention uses is halogen-free flame retardants, has safety, suppression cigarette, nothing
The advantages that malicious, inexpensive, combustion product will not release toxic and corrosive hydrogen halide, meet people and wanted to environmental protection
It asks.
Preferably, the catalyst includes dibutyl tin laurate, stannous octoate, diethylenetriamine, N- dionins
One or more of quinoline and bismuth carboxylate.Above-mentioned catalyst is adjustable to accelerate curing reaction rate.
Preferably, the filler includes one or more of montmorillonite, titanium dioxide, silicon powder and calcium oxide.It is above-mentioned to fill out
Material is not only of low cost, but also environmental protection pressure is small.
Preferably, the curing agent includes HMDI (4,4 '-dicyclohexyl methyl hydride diisocyanate), PM200 (isocyanic acids
One or more of ester) and isophorone diisocyanate；The diluent is higher boiling diluent comprising butanone, just
One or more of silester, 1,4-butanediol ester, 1,6- hexylene glycols ester and low hydroxyl value acrylic resin.Higher boiling dilutes
Agent is relative to simple diluents, containing active group, can participate in reacting, and reduces solvent discharge.
Based on a total inventive concept, the present invention correspondingly provides a kind of preparation side of Multi-component Polyurethane casting glue
Method includes the following steps：
(1) castor oil polyhydric alcohol, polyester polyol and polyether polyol are uniformly mixed, catalyst is then added and stirred
Uniformly obtain glue；
(2) fire retardant is added while stirring in the glue obtained after the step (1), continues stirring after stirring evenly and adds
Enter filler, continues to be made into component A after stirring evenly；
(3) curing agent and diluent are mixed and stirred for uniformly, being made into B component to get to including component A and B component
Polyurethane pouring sealant.
Above-mentioned preparation method, it is preferred that in the step (1), the preparation method of castor oil polyhydric alcohol includes the following steps：
Preferably, in the step (2), the time for continuing stirring is not less than 1h.
Compared with prior art, beneficial effects of the present invention are：
1, Multi-component Polyurethane casting glue of the invention, with resistance to electric trace (compared to electric trace coefficient >=600V), Halogen
The high feature of fire-retardant (flame retardant property reaches UL94V-0 grades) and adhesion strength, in the sealing and protection of the component in various fields
Field is with a wide range of applications.
2, preparation method of the invention, it is simple for process, it is low for equipment requirements, it is of low cost, it is suitable for commercial application and produces.
Specific implementation mode
To facilitate the understanding of the present invention, the present invention is done below in conjunction with preferred embodiment and more comprehensively, is meticulously described,
But protection scope of the present invention is not limited to following specific examples.
Unless otherwise defined, all technical terms used hereinafter are generally understood meaning phase with those skilled in the art
Together.Technical term used herein is intended merely to the purpose of description specific embodiment, is not intended to the limitation present invention's
Protection domain.
Unless otherwise specified, various raw material, reagent, the instrument and equipment etc. used in the present invention can pass through city
Field is commercially available or can be prepared by existing method.
Embodiment 1：
A kind of Multi-component Polyurethane casting glue of the present invention, including component A and B component, wherein the raw material of the component A
Include each component of following mass fraction：
The castor oil polyhydric alcohol is obtained by castor oil by modification, and the present embodiment is produced using Fan Telusi companies of the U.S.
Polycin T-400；
The filler includes 10 parts of 10 parts of montmorillonite, 10 parts of titanium dioxide and silicon powder；The flame retardant combination body includes carbon
10 parts of 10 parts of nanotube and DOPO-HQ；The catalyst is dibutyl tin laurate；
The raw material of the B component include each component of following mass fraction：
12 parts of curing agent (isophorone diisocyanate),
10 parts of higher boiling diluent (low hydroxyl value acrylic resin).
The preparation method of the Multi-component Polyurethane casting glue, includes the following steps：
(1) castor oil polyhydric alcohol, polyester polyol and polyether polyol are added in three-necked flask and are mixed, it is made to fill
Divide and be uniformly mixed, dibutyltin dilaurate catalyst is then added and is uniformly mixing to obtain glue；
(2) carbon nanotube and DOPO-HQ are added while stirring in the glue obtained after the step (1), stir evenly
After continue stirring montmorillonite, titanium dioxide and silicon powder be added, continue to stir 1h, be made into component A；
(3) it is mixed and stirred for isophorone diisocyanate and low hydroxyl value acrylic resin uniformly, to be made into B component, i.e.,
Obtain include component A and B component polyurethane pouring sealant.
Embodiment 2：
A kind of Multi-component Polyurethane casting glue of the present invention, including component A and B component, wherein the raw material of the component A
Include each component of following mass fraction：
The castor oil polyhydric alcohol is obtained by castor oil by modification, and the present embodiment is produced using Fan Telusi companies of the U.S.
Polycin T-400；
The filler includes 15 parts of 15 parts of silicon powder and calcium oxide；The flame retardant combination body include 15 parts of carbon nanotube and
DOPO-ITA5 parts.
The raw material of the B component include each component of following mass fraction：
13 parts of curing agent (isophorone diisocyanate),
10 parts of higher boiling diluent (1,4-butanediol ester).
The preparation method of the Multi-component Polyurethane casting glue, includes the following steps：
(1) castor oil polyhydric alcohol, polyester polyol and polyether polyol are added in three-necked flask and are mixed, it is made to fill
Divide and be uniformly mixed, catalyst is then added and is uniformly mixing to obtain glue；
(2) carbon nanotube and DOPO-ITA are added while stirring in the glue obtained after the step (1), stir evenly
After continue stirring silicon powder and calcium oxide be added, continue to stir 1h, be made into component A；
(3) by isophorone diisocyanate and 1,4-butanediol ester be mixed and stirred for uniformly, be made into B component to get to
Polyurethane pouring sealant including component A and B component.
Embodiment 3：
A kind of Multi-component Polyurethane casting glue of the present invention, including component A and B component, wherein the raw material of the component A
Include each component of following mass fraction：
Structural unit as follows is contained in the structural formula main chain of the castor oil polyhydric alcohol (can make it have more preferable
Resistance to electric trace and flame retardant property)：
The filler includes 10 parts of 10 parts of montmorillonite, 10 parts of titanium dioxide and silicon powder；The flame retardant combination body includes carbon
10 parts of 10 parts of nanotube and DOPO-HQ；The catalyst is N- dionin quinolines；
The raw material of the B component include each component of following mass fraction：
15 parts of curing agent (PM200),
10 parts of higher boiling diluent (1,6- hexylene glycol ester).
The preparation method of the Multi-component Polyurethane casting glue, includes the following steps：
(1) castor oil polyhydric alcohol, polyester polyol and polyether polyol are added in three-necked flask and are mixed, it is made to fill
Divide and be uniformly mixed, catalyst is then added and is uniformly mixing to obtain glue；
(2) carbon nanotube and DOPO-HQ are added while stirring in the glue obtained after the step (1), stir evenly
After continue stirring montmorillonite, titanium dioxide and silicon powder be added, continue to stir 1h, be made into component A；
(3) by PM200 and 1,6- hexylene glycol esters are mixed and stirred for uniformly, being made into B component to get to including component A and B groups
The polyurethane pouring sealant divided.
Comparative example：
A kind of Multi-component Polyurethane casting glue, including component A and B component, mass ratio 10: 3, wherein the component A
Raw material include following mass fraction each component：
The raw material of the B component include each component of following mass fraction：
10 parts of curing agent,
10 parts of diluent.
The preparation method of the Multi-component Polyurethane casting glue includes the following steps：
(1) castor oil polyhydric alcohol, polyester polyol and polyether polyol are added in three-necked flask and are mixed, it is made to fill
Divide and be uniformly mixed, catalyst is then added and is uniformly mixing to obtain glue；
(2) flame retardant combination body is added to while stirring in the glue obtained after the step (1), stirs evenly back
It stirs side and filler is added, continue to stir 1h, be made into component A；
(3) curing agent and higher boiling diluent are mixed and stirred for uniformly, being made into B component to get to including component A and B
The polyurethane pouring sealant of component.
The Multi-component Polyurethane casting glue that embodiment 1-3 and comparative example are prepared after tested, tensile shear strength
(MPa), flame retardant property UL94 V-0 with to compare electric trace coefficient as shown in table 1：
Table 1：Embodiment 1-3 is compared with the performance for the Multi-component Polyurethane casting glue that comparative example is prepared
By comparison, it is evident that the Multi-component Polyurethane casting glue that embodiment 1-3 is prepared has resistance to electric trace (phase
Than electric trace coefficient >=600V), halogen-free flameproof (flame retardant property reaches UL94V-0 grades) and the high feature of adhesion strength, various
The sealing of the component in field and protection field are with a wide range of applications.
Claims (10)
1. a kind of Multi-component Polyurethane casting glue, which is characterized in that including component A and B component, wherein the component A include with
The each component of lower mass fraction：
The B component includes each component of following mass fraction：
1~20 part of curing agent,
1~20 part of diluent.
2. Multi-component Polyurethane casting glue according to claim 1, which is characterized in that the castor oil polyhydric alcohol is by castor-oil plant
Oil is obtained by modification.
3. Multi-component Polyurethane casting glue according to claim 1, which is characterized in that the structure of the castor oil polyhydric alcohol
It include following structural unit in formula：
4. Multi-component Polyurethane casting glue according to claim 1, which is characterized in that the fire retardant includes nano flame retardant
Agent and expanding fire retardant.
5. Multi-component Polyurethane casting glue according to claim 4, which is characterized in that the nano-meter flame retardants include covering to take off
One or more of soil, carbon nanotube, graphite oxide, layered double hydroxide and rectorite；The expanding fire retardant
Including DOPO-HQ, DOPO-NQ, DOPO2-TDA, DOPO-MA, DOPO-ITA, ammonium polyphosphate, phosphate ester flame retardants, hypophosphorous acid
One or more of salt.
6. Multi-component Polyurethane casting glue according to claim 1, which is characterized in that the catalyst includes tin dilaurate
One or more of dibutyl tin, stannous octoate, diethylenetriamine, N- dionins quinoline and bismuth carboxylate.
7. Multi-component Polyurethane casting glue according to claim 1, which is characterized in that the filler includes montmorillonite, titanium
One or more of white powder, silicon powder and calcium oxide.
8. the Multi-component Polyurethane casting glue according to any one of claim 1-7, which is characterized in that the curing agent packet
Include one or more of HMDI, PM200 and isophorone diisocyanate；The diluent is higher boiling diluent, packet
Include one or more of butanone, ethyl orthosilicate, 1,4-butanediol ester, 1,6- hexylene glycols ester and low hydroxyl value acrylic resin.
9. a kind of preparation method of the Multi-component Polyurethane casting glue as described in any one of claim 1-8, includes the following steps：
(1) castor oil polyhydric alcohol, polyester polyol and polyether polyol are uniformly mixed, catalyst is then added and stirred evenly
Obtain glue；
(2) fire retardant is added while stirring in the glue obtained after the step (1), continues stirring addition after stirring evenly and fills out
Material, continues to be made into component A after stirring evenly；
(3) curing agent and diluent are mixed and stirred for uniformly being made into B component to get to the poly- ammonia for including component A and B component
Ester casting glue.
10. preparation method according to claim 9, which is characterized in that in the step (2), the time for continuing stirring is
Not less than 1h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810659754.6A CN108753243B (en) | 2018-06-22 | 2018-06-22 | Multi-component polyurethane pouring sealant and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810659754.6A CN108753243B (en) | 2018-06-22 | 2018-06-22 | Multi-component polyurethane pouring sealant and preparation method thereof |
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| CN108753243B CN108753243B (en) | 2020-08-11 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109651580A (en) * | 2018-12-05 | 2019-04-19 | 大连理工大学 | A kind of solvent type polyurethane material of monomer structure high temperature resistant of the structure containing diazanaphthalene biphenyl and preparation method thereof |
| CN109722205A (en) * | 2018-12-30 | 2019-05-07 | 苏州远卓科技信息有限公司 | A kind of LED bi-component polyurethane pouring sealant and preparation method thereof |
| CN110885662A (en) * | 2019-12-16 | 2020-03-17 | 山东一诺威聚氨酯股份有限公司 | Pouring sealant for polyurethane soft-package battery and preparation method thereof |
| CN112126403A (en) * | 2020-09-28 | 2020-12-25 | 无锡博锦高分子研究发展有限公司 | Bonding composition for solar back panel and adhesive thereof |
| CN112480854A (en) * | 2020-11-26 | 2021-03-12 | 广东顺德巍龙复合材料有限公司 | Double-component modified castor oil polyurethane packaging adhesive for outdoor electronics and preparation method thereof |
| CN114456703A (en) * | 2022-01-17 | 2022-05-10 | 东来涂料技术（上海）股份有限公司 | High-performance transparent matte varnish and preparation method thereof |
| CN115975583A (en) * | 2022-08-01 | 2023-04-18 | 有行鲨鱼（上海）科技股份有限公司 | Formaldehyde-free plant adhesive and preparation method thereof |
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| US5972158A (en) * | 1994-03-14 | 1999-10-26 | Kenkel Kommanditgeselschaft Auf Aktien | Bonding plastics with water-based polyurethane primer |
| JP2002003812A (en) * | 2000-06-20 | 2002-01-09 | Sekisui Chem Co Ltd | Two-pack type urethane adhesive and method for manufacturing sandwiched honeycomb structure panel using the same |
| CN107586528A (en) * | 2017-10-18 | 2018-01-16 | 南京威邦新材料有限公司 | A kind of air cleaner high temperature resistant dual-component polyurethane adhesive and preparation method thereof |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5972158A (en) * | 1994-03-14 | 1999-10-26 | Kenkel Kommanditgeselschaft Auf Aktien | Bonding plastics with water-based polyurethane primer |
| JP2002003812A (en) * | 2000-06-20 | 2002-01-09 | Sekisui Chem Co Ltd | Two-pack type urethane adhesive and method for manufacturing sandwiched honeycomb structure panel using the same |
| CN107586528A (en) * | 2017-10-18 | 2018-01-16 | 南京威邦新材料有限公司 | A kind of air cleaner high temperature resistant dual-component polyurethane adhesive and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109651580A (en) * | 2018-12-05 | 2019-04-19 | 大连理工大学 | A kind of solvent type polyurethane material of monomer structure high temperature resistant of the structure containing diazanaphthalene biphenyl and preparation method thereof |
| CN109722205A (en) * | 2018-12-30 | 2019-05-07 | 苏州远卓科技信息有限公司 | A kind of LED bi-component polyurethane pouring sealant and preparation method thereof |
| CN110885662A (en) * | 2019-12-16 | 2020-03-17 | 山东一诺威聚氨酯股份有限公司 | Pouring sealant for polyurethane soft-package battery and preparation method thereof |
| CN112126403A (en) * | 2020-09-28 | 2020-12-25 | 无锡博锦高分子研究发展有限公司 | Bonding composition for solar back panel and adhesive thereof |
| CN112480854A (en) * | 2020-11-26 | 2021-03-12 | 广东顺德巍龙复合材料有限公司 | Double-component modified castor oil polyurethane packaging adhesive for outdoor electronics and preparation method thereof |
| CN114456703A (en) * | 2022-01-17 | 2022-05-10 | 东来涂料技术（上海）股份有限公司 | High-performance transparent matte varnish and preparation method thereof |
| CN115975583A (en) * | 2022-08-01 | 2023-04-18 | 有行鲨鱼（上海）科技股份有限公司 | Formaldehyde-free plant adhesive and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN108753243B (en) | 2020-08-11 |
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