CN106244086A - A kind of PUR - Google Patents
A kind of PUR Download PDFInfo
- Publication number
- CN106244086A CN106244086A CN201610737782.6A CN201610737782A CN106244086A CN 106244086 A CN106244086 A CN 106244086A CN 201610737782 A CN201610737782 A CN 201610737782A CN 106244086 A CN106244086 A CN 106244086A
- Authority
- CN
- China
- Prior art keywords
- parts
- thermosol
- dihydroxylic alcohols
- initiator
- methyl diphenylene
- 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
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
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- 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
- C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
-
- 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
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
-
- 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
- C08K3/24—Acids; Salts thereof
-
- 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
- C08K3/40—Glass
-
- 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
- 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
- C08G2170/00—Compositions for adhesives
- C08G2170/20—Compositions for hot melt adhesives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a kind of PUR, its formula is made up of following raw material according to parts by weight: 4, 4 ' methyl diphenylene diisocyanates 20 40 parts, PTMG dihydroxylic alcohols 10 15 parts, 1, 4 butanediols 13 23 parts, metatitanic acid aluminium powder 46 parts, glass powder with low melting point 68 parts, silica sand 19 parts, 37 parts of sulfur, initiator 13 parts, this product is for polyurethane elastomer, stainless steel substrate has excellent adhesive property, adhesive strength improves along with chain extending reaction temperature and time, and have good acidproof, alkali, cryogenic property, under hot environment, adhesive strength is the poorest, the synthesis technique preparing this PUR is simple, low cost, adhesive strength is high, open hour are long, it is suitable for large area operation.
Description
Technical field
The present invention relates to PUR preparing technical field, be specifically related to a kind of thermosol.
Background technology
Traditional PUR (English name: Hot Glue) is a kind of plastic binding agent, in certain temperature range its
Physical state changes with temperature and changes, and chemical characteristic is constant, and it is nonpoisonous and tasteless, belongs to environmental-protecting chemical product.Because of its product
Itself it is solid, it is simple to pack, transport, store, solvent-free, pollution-free, nontoxic type；And production technology is simple, high added value,
The advantages such as bonding strength is big, speed is fast and enjoy favor.
This PUR is easy and simple to handle, and technique is simple, is suitable for large-area construction, but its shortcoming is adhesive property and thermostability
Can be poor, be not suitable for hot environment.
The application develops a kind of novel PUR on traditional infrastructure, solves these problems.
Summary of the invention
For problem above, the invention provides a kind of thermosol, this product is for polyurethane elastomer, stainless steel substrate
Having excellent adhesive property, adhesive strength improves along with chain extending reaction temperature and time, and have good acid and alkali resistance,
Cryogenic property, under hot environment, adhesive strength is the poorest, and the synthesis technique preparing this PUR is simple, low cost, adhesive strength
Height, the open hour are long, are suitable for large area operation, can effectively solve the problem in background technology.
To achieve these goals, the technical solution used in the present invention is as follows: a kind of thermosol, its formula is according to weight portion
Number is made up of following raw material:
4,4 '-methyl diphenylene diisocyanate 20-40 part, PTMG dihydroxylic alcohols 10-15 part, 1,4-butanediol
13-23 part, metatitanic acid aluminium powder 4-6 part, LMP glass dust 6-8 part, silica sand 1-9 part, sulfur 3-7 part, initiator 1-3 part.
Preferably, its formula is made up of following raw material according to parts by weight:
4,4 '-methyl diphenylene diisocyanate 20 parts, PTMG dihydroxylic alcohols 10 parts, 1,4-butanediol 13 parts,
Metatitanic acid aluminium powder 4 parts, 6 parts of LMP glass dust, silica sand 1 part, 3 parts of sulfur, initiator 1 part.
Preferably, its formula is made up of following raw material according to parts by weight:
4,4 '-methyl diphenylene diisocyanate 40 parts, PTMG dihydroxylic alcohols 15 parts, 1,4-butanediol 23 parts,
Metatitanic acid aluminium powder 6 parts, 8 parts of LMP glass dust, silica sand 9 parts, 7 parts of sulfur, initiator 3 parts.
A kind of thermosol the most according to claim 1, it is characterised in that described initiator is peroxidating diisopropyl
Benzene.
Its preparation technology comprises the steps:
(1) synthesis performed polymer: PTMG dihydroxylic alcohols is placed in 110 DEG C of vacuum dehydrations 2-3 hour, and is cooled to
50-60 DEG C, by 4,4 '-methyl diphenylene diisocyanate, cooled after PTMG dihydroxylic alcohols, BDO presses
Mix according to mol ratio 2:1:1, and join in the there-necked flask having stirring paddle, be warming up to 85-90 DEG C, stir under vacuo
Within 40-60 minute, obtain performed polymer；
(2) performed polymer and other raw materials are mixed, and add distilled water 100-200mL, stir at 150-160 DEG C, then
It is delivered to chiller by conveyer device, and is separated into water and granule after being cooled to 10-20 degree；
(3) drink granule by segregation apparatus separation water again, granule is placed in drying device and is dried, granulating.
Preferably, the temperature of the conveyer device in described step (2) controls at 115-125 DEG C.
Preferably, the temperature of the chiller in described step (2), by 100 DEG C to 8 DEG C, is 2 DEG C/min's according to speed
Speed declines.
Preferably, in supplying step (3), the temperature of drying device controls at 40-50 DEG C.
Beneficial effects of the present invention:
The present invention has excellent adhesive property for polyurethane elastomer, stainless steel substrate, and adhesive strength is along with chain extension
Reaction temperature and time and improve, and there is good acid and alkali resistance, cryogenic property, under hot environment, adhesive strength is the poorest,
The synthesis technique preparing this PUR is simple, low cost, and adhesive strength is high, and the open hour are long, is suitable for large area operation.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, to the present invention
It is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to
Limit the present invention.
Embodiment 1:
The invention provides a kind of thermosol, its formula is made up of following raw material according to parts by weight:
4,4 '-methyl diphenylene diisocyanate 20 parts, PTMG dihydroxylic alcohols 10 parts, 1,4-butanediol 13 parts,
Metatitanic acid aluminium powder 4 parts, 6 parts of LMP glass dust, silica sand 1 part, 3 parts of sulfur, initiator 1 part.
Wherein initiator is cumyl peroxide.
Its preparation technology comprises the steps:
(1) synthesis performed polymer: PTMG dihydroxylic alcohols is placed in 110 DEG C of vacuum dehydrations 2 hours, and is cooled to 50
DEG C, by 4,4 '-methyl diphenylene diisocyanate, cooled after PTMG dihydroxylic alcohols, BDO is according to rubbing
You mix than 2:1:1, and join in the there-necked flask having stirring paddle, are warming up to 85 DEG C, and stirring obtains for 40 minutes under vacuo
To performed polymer；
(2) performed polymer and other raw materials are mixed, and add distilled water 100mL, stir at 150-160 DEG C, then pass through
Conveyer device is delivered to chiller, and the temperature of conveyer device controls at 115 DEG C, and be separated into after being cooled to 10 degree water with
Granule；The temperature of chiller, by 100 DEG C to 8 DEG C, declines according to the speed that speed is 2 DEG C/min；
(3) drink granule by segregation apparatus separation water again, granule is placed in drying device and is dried, granulating, it is dried
The temperature of device controls at 40 DEG C.
Embodiment 2:
The invention provides a kind of thermosol, its formula is made up of following raw material according to parts by weight:
4,4 '-methyl diphenylene diisocyanate 30 parts, PTMG dihydroxylic alcohols 13 parts, 1,4-butanediol 18 parts,
Metatitanic acid aluminium powder 5 parts, 7 parts of LMP glass dust, silica sand 5 parts, 5 parts of sulfur, initiator 2 parts.
Wherein initiator is cumyl peroxide.
Its preparation technology comprises the steps:
(1) synthesis performed polymer: PTMG dihydroxylic alcohols is placed in 110 DEG C of vacuum dehydrations 2.5 hours, and is cooled to 55
DEG C, by 4,4 '-methyl diphenylene diisocyanate, cooled after PTMG dihydroxylic alcohols, BDO is according to rubbing
You mix than 2:1:1, and join in the there-necked flask having stirring paddle, are warming up to 87 DEG C, and stirring obtains for 50 minutes under vacuo
To performed polymer；
(2) performed polymer and other raw materials are mixed, and add distilled water 150mL, stir at 155 DEG C, then by conveying
Device is delivered to chiller, and the temperature of conveyer device controls at 120 DEG C, and be separated into after being cooled to 15 degree water with
Grain；The temperature of chiller, by 100 DEG C to 8 DEG C, declines according to the speed that speed is 2 DEG C/min；
(3) drink granule by segregation apparatus separation water again, granule is placed in drying device and is dried, granulating, it is dried
The temperature of device controls at 45 DEG C.
Embodiment 3:
The invention provides a kind of thermosol, its formula is made up of following raw material according to parts by weight:
4,4 '-methyl diphenylene diisocyanate 40 parts, PTMG dihydroxylic alcohols 15 parts, 1,4-butanediol 23 parts,
Metatitanic acid aluminium powder 6 parts, 8 parts of LMP glass dust, silica sand 9 parts, 7 parts of sulfur, initiator 3 parts.
Wherein initiator is cumyl peroxide.
Its preparation technology comprises the steps:
(1) synthesis performed polymer: PTMG dihydroxylic alcohols is placed in 110 DEG C of vacuum dehydrations 3 hours, and is cooled to 60
DEG C, by 4,4 '-methyl diphenylene diisocyanate, cooled after PTMG dihydroxylic alcohols, BDO is according to rubbing
You mix than 2:1:1, and join in the there-necked flask having stirring paddle, are warming up to 90 DEG C, and stirring obtains for 60 minutes under vacuo
To performed polymer；
(2) performed polymer and other raw materials are mixed, and add distilled water 200mL, stir at 160 DEG C, then by conveying
Device is delivered to chiller, and the temperature of conveyer device controls at 125 DEG C, and be separated into after being cooled to 20 degree water with
Grain；The temperature of chiller, by 100 DEG C to 8 DEG C, declines according to the speed that speed is 2 DEG C/min；
(3) drink granule by segregation apparatus separation water again, granule is placed in drying device and is dried, granulating, it is dried
The temperature of device controls at 50 DEG C.
Embodiment 1 to embodiment 3 products obtained therefrom is tested by the present invention, and the index of test has: adhesive strength, shearing are by force
Degree, elastic modelling quantity, test result such as following table:
| Performance indications | Adhesive strength/Mpa | Shear strength/Mpa | Elastic modelling quantity/N.mm2 |
| Standard substance | 7.24 | 8.12 | 72000 |
| Embodiment 1 | 7.45 | 8.88 | 73000 |
| Embodiment 2 | 7.47 | 8.90 | 73400 |
| Embodiment 3 | 7.51 | 8.93 | 73340 |
As seen from the above table, the properties of embodiment 1 to embodiment 3 gained finished product substantially excellence and standard substance.
Based on above-mentioned, it is an advantage of the current invention that the present invention has excellent for polyurethane elastomer, stainless steel substrate
Adhesive property, adhesive strength improves along with chain extending reaction temperature and time, and has good acid and alkali resistance, cryogenic property, high
Under temperature environment, adhesive strength is the poorest, and the synthesis technique preparing this PUR is simple, low cost, and adhesive strength is high, the open hour
Long, it is suitable for large area operation.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (8)
1. a thermosol, it is characterised in that its formula is made up of following raw material according to parts by weight:
4,4 '-methyl diphenylene diisocyanate 20-40 part, PTMG dihydroxylic alcohols 10-15 part, 1,4-butanediol 13-
23 parts, metatitanic acid aluminium powder 4-6 part, LMP glass dust 6-8 part, silica sand 1-9 part, sulfur 3-7 part, initiator 1-3 part.
A kind of thermosol the most according to claim 1, it is characterised in that its formula according to parts by weight by following raw material group
Become:
4,4 '-methyl diphenylene diisocyanate 20 parts, PTMG dihydroxylic alcohols 10 parts, 1,4-butanediol 13 parts, metatitanic acid
Aluminium powder 4 parts, 6 parts of LMP glass dust, silica sand 1 part, 3 parts of sulfur, initiator 1 part.
A kind of thermosol the most according to claim 1, it is characterised in that its formula according to parts by weight by following raw material group
Become:
4,4 '-methyl diphenylene diisocyanate 40 parts, PTMG dihydroxylic alcohols 15 parts, 1,4-butanediol 23 parts, metatitanic acid
Aluminium powder 6 parts, 8 parts of LMP glass dust, silica sand 9 parts, 7 parts of sulfur, initiator 3 parts.
A kind of thermosol the most according to claim 1, it is characterised in that described initiator is cumyl peroxide.
A kind of thermosol the most according to claim 1, it is characterised in that its preparation technology comprises the steps:
(1) synthesis performed polymer: PTMG dihydroxylic alcohols is placed in 110 DEG C of vacuum dehydrations 2-3 hour, and is cooled to 50-60
DEG C, by 4,4 '-methyl diphenylene diisocyanate, cooled after PTMG dihydroxylic alcohols, BDO is according to rubbing
You mix than 2:1:1, and join in the there-necked flask having stirring paddle, are warming up to 85-90 DEG C, stir 40-60 under vacuo
Minute obtain performed polymer；
(2) performed polymer and other raw materials are mixed, and add distilled water 100-200mL, stir at 150-160 DEG C, then pass through
Conveyer device is delivered to chiller, and is separated into water and granule after being cooled to 10-20 degree；
(3) drink granule by segregation apparatus separation water again, granule is placed in drying device and is dried, granulating.
A kind of thermosol the most according to claim 5, it is characterised in that the temperature of the conveyer device in described step (2)
Control at 115-125 DEG C.
A kind of thermosol the most according to claim 5, it is characterised in that the temperature of the chiller in described step (2)
By 100 DEG C to 8 DEG C, decline according to the speed that speed is 2 DEG C/min.
A kind of thermosol the most according to claim 5, it is characterised in that the temperature control of drying device in supplying step (3)
System is at 40-50 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610737782.6A CN106244086A (en) | 2016-08-26 | 2016-08-26 | A kind of PUR |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610737782.6A CN106244086A (en) | 2016-08-26 | 2016-08-26 | A kind of PUR |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106244086A true CN106244086A (en) | 2016-12-21 |
Family
ID=57596841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610737782.6A Pending CN106244086A (en) | 2016-08-26 | 2016-08-26 | A kind of PUR |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106244086A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107245317A (en) * | 2017-06-14 | 2017-10-13 | 广州千顺工业材料有限公司 | Moisture-curable polyurethane hot-melt glue and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101760143A (en) * | 2009-12-22 | 2010-06-30 | 广州鹿山新材料股份有限公司 | Highly-transparent polyurethane hot-melt film applicable to sandwich glass and preparation method thereof |
-
2016
- 2016-08-26 CN CN201610737782.6A patent/CN106244086A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101760143A (en) * | 2009-12-22 | 2010-06-30 | 广州鹿山新材料股份有限公司 | Highly-transparent polyurethane hot-melt film applicable to sandwich glass and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 李俊贤: "《塑料工业手册 聚氨酯》", 31 July 1999, 化学工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107245317A (en) * | 2017-06-14 | 2017-10-13 | 广州千顺工业材料有限公司 | Moisture-curable polyurethane hot-melt glue and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018040506A1 (en) | Polyurethane antimicrobial adhesive having graphene and preparation method therefor | |
| CN105419714B (en) | A kind of epoxy resin dual-component polyurethane adhesive and preparation method thereof | |
| CN111349417B (en) | Polyurethane adhesive composition and polyurethane adhesive | |
| CN109593507A (en) | A kind of adhesive for polyurethane for soft-package battery battery core bonding | |
| CN104017532A (en) | High-strength solvent-free polyurethane adhesive and preparation method thereof | |
| CN103013421B (en) | Solvent-free polyurethane compound adhesive and preparation method thereof | |
| CN104974703B (en) | A kind of double-component super branched polyurethane adhesive and preparation method thereof | |
| CN105969289B (en) | A kind of high wettability package compound solventless adhesive and preparation method thereof | |
| CN105038684A (en) | Method for preparing environment-friendly polyurethane adhesive for plastic track | |
| CN107345011A (en) | A kind of high-foaming expansion glue | |
| CN106244086A (en) | A kind of PUR | |
| CN106753180A (en) | The processing method of thick TDI | |
| CN108102596A (en) | PU structural adhesive that a kind of working life is long, intensity rising is fast and preparation method thereof | |
| CN112375535A (en) | Plastic-plastic composite polyurethane adhesive and preparation method thereof | |
| CN102898611B (en) | Preparation method for organic silicon polyurethane adhesive | |
| CN105670551B (en) | Using the reconstructed and preparation method thereof of polyimide modified adhesive for polyurethane | |
| CN109135656A (en) | A kind of water-based polyurethane adhesive and preparation method thereof | |
| CN106189997A (en) | Use timber floor and the heat treatment method thereof of organic silicon modified polyurethane adhesive | |
| CN105968303A (en) | Preparation method of water-based epoxy resin curing agent | |
| CN102086259B (en) | Acrylic polyurethane modified tung oil-imide addition product and preparation method thereof | |
| CN101892029B (en) | Two-component polyurethane net adhesive and preparation method thereof | |
| CN109593323A (en) | A kind of adduct of polyethers amine-epoxy and preparation method thereof and the good single-component epoxy composition and preparation method thereof of storage | |
| CN107245317B (en) | Moisture-curing polyurethane hot melt adhesive and preparation method thereof | |
| CN111286005B (en) | Functional thermoplastic polyurethane and preparation method thereof | |
| CN105860912A (en) | Polyimide modified polyurethane adhesive and preparing 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161221 |
|
| RJ01 | Rejection of invention patent application after publication |