CN115124966A - Polyurethane glue and preparation process thereof - Google Patents
Polyurethane glue and preparation process thereof Download PDFInfo
- Publication number
- CN115124966A CN115124966A CN202110316904.5A CN202110316904A CN115124966A CN 115124966 A CN115124966 A CN 115124966A CN 202110316904 A CN202110316904 A CN 202110316904A CN 115124966 A CN115124966 A CN 115124966A
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- CN
- China
- Prior art keywords
- parts
- catalyst
- reaction
- isocyanate
- polyurethane glue
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- 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.)
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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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/08—Polyurethanes from polyethers
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- 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
Abstract
The invention discloses polyurethane glue and a preparation process thereof, wherein the polyurethane glue is prepared from the following raw materials in parts by weight: 80 parts of polyether polyol; 30 parts of isocyanate; 40 parts of a plasticizer; 0.01 part of catalyst. The preparation process comprises the following steps: putting polyether glycol and a plasticizer into a reaction kettle, heating to 85 ℃, keeping the vacuum pressure at-0.1 kpa, and dehydrating for 1 hour; after dehydration, adding isocyanate, keeping the temperature at 80-85 ℃, and reacting for 2 hours; after the reaction is finished, cooling to the temperature below 75 ℃, adding a catalyst, and continuing the reaction for 20 minutes; and after the reaction is finished, adding the rest isocyanate and the rest catalyst, stirring for 30 minutes, discharging, and detecting the NCO content and viscosity of the materials before discharging. The invention improves the aging resistance and oxidation resistance of the glue solution, has good yellowing resistance effect, strong permeability to base materials and high bonding strength, and prolongs the service life of sports grounds.
Description
Technical Field
The invention relates to glue and a preparation process thereof, in particular to polyurethane glue and a preparation process thereof.
Background
At present, the similar glue used for building plastic runways and plastic sports grounds has the disadvantages of high hardness, short operation time, high production cost, poor aging resistance and oxidation resistance, weak permeability to base materials and low bonding strength. Therefore, the development of a preparation process of polyurethane glue is a problem to be solved by those skilled in the art.
Disclosure of Invention
The invention provides polyurethane glue and a preparation process thereof for solving the existing problems.
The above object of the present invention is achieved by the following technical means: the polyurethane glue is prepared from the following raw materials in parts by weight: 80 parts of polyether polyol; 30 parts of isocyanate; 40 parts of a plasticizer; 0.01 part of catalyst.
Further, the catalyst is an organotin catalyst.
A preparation process of polyurethane glue comprises the following steps:
s1: adding 80 parts of polyether polyol and 40 parts of plasticizer into a reaction kettle according to the formula amount, heating to 85 ℃, keeping the vacuum pressure at-0.1 kpa, and dehydrating for 1 hour;
s2: after dehydration, adding 20 parts of isocyanate, keeping the temperature at 80-85 ℃, and reacting for 2 hours;
s3: after the reaction is finished, cooling to the temperature below 75 ℃, adding 0.005 part of catalyst, and continuing the reaction for 20 minutes;
s4: and after the reaction is finished, adding the rest 10 parts of isocyanate and the rest 0.005 part of catalyst, stirring for 30 minutes, discharging, and detecting the NCO content and viscosity of the material before discharging.
Compared with the prior art, the invention has the advantages that: the formula and the preparation process of the invention obviously improve the aging resistance and the oxidation resistance of the glue solution, have good anti-yellowing effect, strong permeability to base materials and high bonding strength, and prolong the service life of sports grounds.
Drawings
FIG. 1 is a schematic process flow diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The polyurethane glue disclosed by the invention is prepared from the following raw materials in parts by weight: 80 parts of polyether polyol; 30 parts of isocyanate; 40 parts of a plasticizer; 0.01 part of catalyst.
Further, the catalyst is an organotin catalyst.
As shown in fig. 1, a preparation process of polyurethane glue comprises the following steps:
s1: adding 80 parts of polyether polyol and 40 parts of plasticizer into a reaction kettle, heating to 85 ℃, keeping the vacuum pressure at-0.1 kpa, and dehydrating for 1 hour;
s2: after dehydration, adding 20 parts of isocyanate, keeping the temperature at 80-85 ℃, and reacting for 2 hours;
s3: after the reaction is finished, cooling to the temperature below 75 ℃, adding 0.005 part of catalyst, and continuing the reaction for 20 minutes;
s4: and after the reaction is finished, adding the rest 10 parts of isocyanate and the rest 0.005 part of catalyst, stirring for 30 minutes, discharging, and detecting the NCO content and viscosity of the material before discharging.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (3)
1. A polyurethane glue is characterized in that: the composition is prepared from the following raw materials in parts by weight: 80 parts of polyether polyol; 30 parts of isocyanate; 40 parts of a plasticizer; 0.01 part of catalyst.
2. The polyurethane glue of claim 1, wherein: the catalyst is an organic tin catalyst.
3. A preparation process of polyurethane glue is characterized by comprising the following steps: the method comprises the following steps:
s1: adding 80 parts of polyether polyol and 40 parts of plasticizer into a reaction kettle according to the formula amount, heating to 85 ℃, keeping the vacuum pressure at-0.1 kpa, and dehydrating for 1 hour;
s2: after dehydration, adding 20 parts of isocyanate, keeping the temperature at 80-85 ℃, and reacting for 2 hours;
s3: after the reaction is finished, cooling to the temperature below 75 ℃, adding 0.005 part of catalyst, and continuing to react for 20 minutes;
s4: and after the reaction is finished, adding the rest 10 parts of isocyanate and the rest 0.005 part of catalyst, stirring for 30 minutes, discharging, and detecting the NCO content and viscosity of the material before discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110316904.5A CN115124966A (en) | 2021-03-24 | 2021-03-24 | Polyurethane glue and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110316904.5A CN115124966A (en) | 2021-03-24 | 2021-03-24 | Polyurethane glue and preparation process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115124966A true CN115124966A (en) | 2022-09-30 |
Family
ID=83373827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110316904.5A Pending CN115124966A (en) | 2021-03-24 | 2021-03-24 | Polyurethane glue and preparation process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115124966A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140243A (en) * | 2010-11-26 | 2011-08-03 | 山东东大一诺威聚氨酯有限公司 | Plastic sizing agent for silane-modified single component wet cured polyurethane playing court and preparation method thereof |
| CN103396526A (en) * | 2013-07-03 | 2013-11-20 | 浙江枧洋化工有限公司 | Production method of solidifiable transparent anti-yellowing polyurethane prepolymer |
| CN106433439A (en) * | 2016-09-22 | 2017-02-22 | 佛山市科顺建筑材料有限公司 | Cold-construction non-cured polyurethane waterproof coating and preparing method thereof |
| CN109575869A (en) * | 2018-11-30 | 2019-04-05 | 湖北回天新材料股份有限公司 | A kind of one-component damp solidifying polyurethane sealant and preparation method |
| CN110437420A (en) * | 2019-08-02 | 2019-11-12 | 汾阳市绿健塑胶材料制造有限公司 | A kind of modified polyurethane glue and preparation method thereof for plastic cement race track waterproof layer |
| CN111513421A (en) * | 2020-05-05 | 2020-08-11 | 泉州市华登新材料科技有限公司 | Waste sole recycling method, shoe component finished product and shoe product |
-
2021
- 2021-03-24 CN CN202110316904.5A patent/CN115124966A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140243A (en) * | 2010-11-26 | 2011-08-03 | 山东东大一诺威聚氨酯有限公司 | Plastic sizing agent for silane-modified single component wet cured polyurethane playing court and preparation method thereof |
| CN103396526A (en) * | 2013-07-03 | 2013-11-20 | 浙江枧洋化工有限公司 | Production method of solidifiable transparent anti-yellowing polyurethane prepolymer |
| CN106433439A (en) * | 2016-09-22 | 2017-02-22 | 佛山市科顺建筑材料有限公司 | Cold-construction non-cured polyurethane waterproof coating and preparing method thereof |
| CN109575869A (en) * | 2018-11-30 | 2019-04-05 | 湖北回天新材料股份有限公司 | A kind of one-component damp solidifying polyurethane sealant and preparation method |
| CN110437420A (en) * | 2019-08-02 | 2019-11-12 | 汾阳市绿健塑胶材料制造有限公司 | A kind of modified polyurethane glue and preparation method thereof for plastic cement race track waterproof layer |
| CN111513421A (en) * | 2020-05-05 | 2020-08-11 | 泉州市华登新材料科技有限公司 | Waste sole recycling method, shoe component finished product and shoe product |
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