CN110655880A - Moisture-cured polyolefin hot melt adhesive and preparation method thereof - Google Patents
Moisture-cured polyolefin hot melt adhesive and preparation method thereof Download PDFInfo
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- CN110655880A CN110655880A CN201911016182.0A CN201911016182A CN110655880A CN 110655880 A CN110655880 A CN 110655880A CN 201911016182 A CN201911016182 A CN 201911016182A CN 110655880 A CN110655880 A CN 110655880A
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- moisture
- hot melt
- melt adhesive
- polyolefin
- reaction kettle
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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
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/26—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers modified by chemical after-treatment
-
- 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
- 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
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/304—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being heat-activatable, i.e. not tacky at temperatures inferior to 30°C
Abstract
The invention discloses a moisture-curing polyolefin hot melt adhesive and a preparation method thereof, wherein the moisture-curing polyolefin hot melt adhesive comprises the following components in parts by weight: 10-50 parts of polyolefin elastomer, 20-60 parts of silane modified polyolefin elastomer, 25-50 parts of tackifying resin, 0.3-1 part of antioxidant and 0.03-0.2 part of catalyst. The moisture-curing polyolefin hot melt adhesive and the preparation method thereof have the advantages of simple preparation method, no discharge of harmful substances in the production process, environment-friendly adhesive property, low VOC (volatile organic compounds), low atomization value and excellent bonding property.
Description
Technical Field
The invention relates to the technical field of preparation of moisture-cured polyolefin hot melt adhesives, in particular to a moisture-cured polyolefin hot melt adhesive and a preparation method thereof.
Background
In recent years, due to the increasing demand for use and merchantability of automobiles, materials for automobile production are increasingly diversified, bonding and sealing are essential processes, adhesives are essential materials for automobile production, and bonding technology is one of important technologies in automobile manufacturing. The moisture-solidified polyolefine hot-melt adhesive is a new adhesive, and is a synthetic resin using polyolefine as main body. When meeting high temperature (100-. When the temperature returns to the normal temperature, the solid is recovered, and the silane modified polyolefin in the glue and the moisture in the air begin to perform crosslinking reaction and solidify. The glue does not contain any solvent, is nontoxic and quick-drying, has simple production process, and particularly has good adhesive strength to the untreated PP.
Due to the policy of energy conservation and emission reduction, the requirement on the lightweight of automobiles is higher and higher, high-strength and light-weight PP appears in automobile production materials, and the untreated PP is difficult to follow. The PP used at present can be used only by pretreatment, so that the working procedure needs to be increased once, and the efficiency is influenced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a moisture curing polyolefin hot melt adhesive and a preparation method thereof, which solve the problems mentioned in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a moisture curing polyolefin hot melt adhesive comprises the following components in parts by weight: 10-50 parts of polyolefin elastomer, 20-60 parts of silane modified polyolefin elastomer, 25-50 parts of tackifying resin, 0.3-1 part of antioxidant and 0.03-0.2 part of catalyst.
Specifically, the composition comprises the following components in parts by weight: 30 parts of polyolefin elastomer, 40 parts of silane modified polyolefin elastomer, 30 parts of tackifying resin, 0.5 part of antioxidant and 0.06 part of catalyst.
In particular, the polyolefin elastomer is one or more of a propylene-rich polyolefin, ethylene, a propylene-copolymerized polyolefin, a 1-butene-rich polyolefin, and a metallocene-catalyzed polyolefin.
Specifically, the tackifying resin is one or two of hydrogenated petroleum resin and non-hydrogenated petroleum resin.
Specifically, the antioxidant is one or two of pentaerythritol tetrakis [3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], 2, 6-di-tert-butyl-4-methylphenol and tris [2, 4-di-tert-butylphenyl ] phosphite.
Specifically, the catalyst is dibutyltin dilaurate.
A moisture-curing polyolefin hot melt adhesive and a preparation method thereof comprise the following steps:
1) putting 10-50 parts by weight of polyolefin elastomer, 0.3-1 part by weight of antioxidant and 25-50 parts by weight of tackifying resin into a reaction kettle, starting to heat and uniformly stir, controlling the temperature of materials in the reaction kettle at 170 ℃, controlling the stirring speed at 60-100r/min, sealing the reaction kettle, vacuumizing the reaction kettle, and heating for 40-60min until the materials are completely melted;
2) adding 20-60 parts by weight of silane modified polyolefin elastomer into the reaction kettle in the step 1), uniformly stirring, stopping heating, controlling the stirring speed at 60-100r/min, sealing the reaction kettle, vacuumizing the reaction kettle, and stirring for 30-50min until the materials are completely melted;
3) adding 0.03-0.2 part by weight of catalyst into the reaction kettle in the step 2), stirring for 10-20min, sealing the reaction kettle, filling dry nitrogen into the reaction kettle for protection, and controlling the stirring speed at 60-100r/min to obtain a moisture-cured polyolefin hot melt adhesive crude material;
4) discharging the moisture-cured polyolefin hot melt adhesive crude material obtained in the step 3) by using a 200-mesh 400-mesh three-bag filter, and carrying out moisture-proof sealing packaging to obtain a moisture-cured polyolefin hot melt adhesive finished product.
Specifically, in the step 1) and the step 2), the pressure in the reaction kettle after vacuumizing is less than-0.09 MPa.
(III) advantageous effects
The invention provides a moisture-cured polyolefin hot melt adhesive and a preparation method thereof, and the moisture-cured polyolefin hot melt adhesive has the following beneficial effects:
the preparation method is simple, no harmful substance is discharged in the production process, no solvent is used, the moisture-curing polyolefin hot melt adhesive belongs to an environment-friendly adhesive, the operation process is simple when the moisture-curing polyolefin hot melt adhesive is used, the equipment investment is low, and the moisture-curing polyolefin hot melt adhesive has low VOC (volatile organic compounds), low atomization value and good bonding effect on untreated PP (polypropylene).
Detailed Description
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A moisture curing polyolefin hot melt adhesive comprises the following components in parts by weight: 30 parts of polyolefin elastomer, 40 parts of silane modified polyolefin elastomer, 30 parts of tackifying resin, 0.5 part of antioxidant and 0.06 part of catalyst.
In particular, the polyolefin elastomer is one or more of a propylene-rich polyolefin, ethylene, a propylene-copolymerized polyolefin, a 1-butene-rich polyolefin, and a metallocene-catalyzed polyolefin.
Specifically, the tackifying resin is one or two of hydrogenated petroleum resin and non-hydrogenated petroleum resin.
Specifically, the antioxidant is one or two of pentaerythritol tetrakis [3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], 2, 6-di-tert-butyl-4-methylphenol and tris [2, 4-di-tert-butylphenyl ] phosphite.
Specifically, the catalyst is dibutyltin dilaurate.
A moisture-curing polyolefin hot melt adhesive and a preparation method thereof comprise the following steps:
1) putting 30 parts by weight of polyolefin elastomer, 0.5 part by weight of antioxidant and 30 parts by weight of tackifying resin into a reaction kettle, starting to heat and uniformly stir, controlling the temperature of materials in the reaction kettle at 170 ℃, controlling the stirring speed at 60-100r/min, sealing the reaction kettle, vacuumizing the reaction kettle, and heating for 40-60min until the materials are completely melted;
2) putting 40 parts by weight of silane modified polyolefin elastomer into the reaction kettle in the step 1), uniformly stirring, stopping heating, controlling the stirring speed at 60-100r/min, sealing the reaction kettle, vacuumizing the reaction kettle, and stirring for 30-50min until the materials are completely melted;
3) adding 0.06 part by weight of catalyst into the reaction kettle in the step 2), stirring for 10-20min, sealing the reaction kettle, filling dry nitrogen into the reaction kettle for protection, and controlling the stirring speed at 60-100r/min to obtain a moisture-cured polyolefin hot melt adhesive crude material;
4) discharging the moisture-cured polyolefin hot melt adhesive crude material obtained in the step 3) by using a 200-mesh 400-mesh three-bag filter, and carrying out moisture-proof sealing packaging to obtain a moisture-cured polyolefin hot melt adhesive finished product.
Specifically, in the step 1) and the step 2), the pressure in the reaction kettle after vacuumizing is less than-0.09 MPa.
The properties of the finished moisture-curing polyolefin hot melt adhesive prepared in example 1 are shown in Table 1.
Example 2
The moisture-curable polyolefin hot melt adhesive and the preparation method thereof as described in example 1 can also adopt the following processes:
1) putting 25 parts by weight of polyolefin elastomer, 0.5 part by weight of antioxidant and 30 parts by weight of tackifying resin into a reaction kettle, starting to heat and uniformly stir, controlling the temperature of materials in the reaction kettle at 170 ℃, controlling the stirring speed at 60-100r/min, sealing the reaction kettle, vacuumizing the reaction kettle, and heating for 40-60min until the materials are completely melted;
2) adding 45 parts by weight of silane modified polyolefin elastomer into the reaction kettle in the step 1), uniformly stirring, stopping heating, controlling the stirring speed at 60-100r/min, sealing the reaction kettle, vacuumizing the reaction kettle, and stirring for 30-50min until the materials are completely melted;
3) adding 0.1 part by weight of catalyst into the reaction kettle in the step 2), stirring for 10-20min, sealing the reaction kettle, filling dry nitrogen into the reaction kettle for protection, and controlling the stirring speed at 60-100r/min to obtain a moisture-cured polyolefin hot melt adhesive crude material;
4) discharging the moisture-cured polyolefin hot melt adhesive crude material obtained in the step 3) by using a 200-mesh 400-mesh three-bag filter, and carrying out moisture-proof sealing packaging to obtain a moisture-cured polyolefin hot melt adhesive finished product.
The properties of the finished moisture-curing polyolefin hot melt adhesive prepared in example 2 are shown in Table 1.
Example 3
The moisture-curable polyolefin hot melt adhesive and the preparation method thereof as described in example 1 can also adopt the following processes:
1) putting 35 parts by weight of polyolefin elastomer, 0.5 part by weight of antioxidant and 30 parts by weight of tackifying resin into a reaction kettle, starting to heat and uniformly stir, controlling the temperature of materials in the reaction kettle at 170 ℃, controlling the stirring speed at 60-100r/min, sealing the reaction kettle, vacuumizing the reaction kettle, and heating for 40-60min until the materials are completely melted;
2) adding 35 parts by weight of silane modified polyolefin elastomer into the reaction kettle in the step 1), uniformly stirring, stopping heating, controlling the stirring speed at 60-100r/min, sealing the reaction kettle, vacuumizing the reaction kettle, and stirring for 30-50min until the materials are completely melted;
3) adding 0.08 part by weight of catalyst into the reaction kettle in the step 2), stirring for 10-20min, sealing the reaction kettle, filling dry nitrogen into the reaction kettle for protection, and controlling the stirring speed at 60-100r/min to obtain a moisture-cured polyolefin hot melt adhesive crude material;
4) discharging the moisture-cured polyolefin hot melt adhesive crude material obtained in the step 3) by using a 200-mesh 400-mesh three-bag filter, and carrying out moisture-proof sealing packaging to obtain a moisture-cured polyolefin hot melt adhesive finished product.
The properties of the finished moisture-curing polyolefin hot melt adhesive prepared in example 3 are shown in Table 1.
Table 1:
and (4) experimental conclusion: as can be seen from Table 1, the moisture-curable polyolefin hot melt adhesive finished product prepared by the technical scheme of the invention has low VOC and low fogging value, has good adhesion performance to untreated PP, and meanwhile, the preparation method is simple, no harmful substance is discharged in the production process, no solvent is used, and the moisture-curable polyolefin hot melt adhesive belongs to an environment-friendly adhesive.
Claims (8)
1. A moisture-curing polyolefin hot melt adhesive is characterized in that: comprises the following components in parts by weight: 10-50 parts of polyolefin elastomer, 20-60 parts of silane modified polyolefin elastomer, 25-50 parts of tackifying resin, 0.3-1 part of antioxidant and 0.03-0.2 part of catalyst.
2. The moisture-curable polyolefin hot melt adhesive according to claim 1, wherein: comprises the following components in parts by weight: 30 parts of polyolefin elastomer, 40 parts of silane modified polyolefin elastomer, 30 parts of tackifying resin, 0.5 part of antioxidant and 0.06 part of catalyst.
3. The moisture-curable polyolefin hot melt adhesive according to claim 1, wherein: the polyolefin elastomer is one or more of a propylene-rich polyolefin, ethylene, a propylene-copolymerized polyolefin, a 1-butene-rich polyolefin, and a metallocene-catalyzed polyolefin.
4. The moisture-curable polyolefin hot melt adhesive according to claim 1, wherein: the tackifying resin is one or two of hydrogenated petroleum resin and non-hydrogenated petroleum resin.
5. The moisture-curable polyolefin hot melt adhesive according to claim 1, wherein: the antioxidant is one or two of pentaerythritol tetrakis [3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], 2, 6-di-tert-butyl-4-methylphenol and tris [2, 4-di-tert-butylphenyl ] phosphite.
6. The moisture-curable polyolefin hot melt adhesive according to claim 1, wherein: the catalyst is dibutyltin dilaurate.
7. The moisture-curable polyolefin hot melt adhesive and the preparation method thereof according to claim 1, wherein the hot melt adhesive comprises the following components in percentage by weight: the method comprises the following steps:
1) putting 10-50 parts by weight of polyolefin elastomer, 0.3-1 part by weight of antioxidant and 25-50 parts by weight of tackifying resin into a reaction kettle, starting to heat and uniformly stir, controlling the temperature of materials in the reaction kettle at 170 ℃, controlling the stirring speed at 60-100r/min, sealing the reaction kettle, vacuumizing the reaction kettle, and heating for 40-60min until the materials are completely melted;
2) adding 20-60 parts by weight of silane modified polyolefin elastomer into the reaction kettle in the step 1), uniformly stirring, stopping heating, controlling the stirring speed at 60-100r/min, sealing the reaction kettle, vacuumizing the reaction kettle, and stirring for 30-50min until the materials are completely melted;
3) adding 0.03-0.2 part by weight of catalyst into the reaction kettle in the step 2), stirring for 10-20min, sealing the reaction kettle, filling dry nitrogen into the reaction kettle for protection, and controlling the stirring speed at 60-100r/min to obtain a moisture-cured polyolefin hot melt adhesive crude material;
4) discharging the moisture-cured polyolefin hot melt adhesive crude material obtained in the step 3) by using a 200-mesh 400-mesh three-bag filter, and carrying out moisture-proof sealing packaging to obtain a moisture-cured polyolefin hot melt adhesive finished product.
8. The moisture-curable polyolefin hot melt adhesive and the preparation method thereof according to claim 1, wherein the hot melt adhesive comprises the following components in percentage by weight: in the step 1) and the step 2), the pressure in the reaction kettle after vacuum pumping is less than-0.09 Mpa.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911016182.0A CN110655880A (en) | 2019-10-24 | 2019-10-24 | Moisture-cured polyolefin hot melt adhesive and preparation method thereof |
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| CN201911016182.0A CN110655880A (en) | 2019-10-24 | 2019-10-24 | Moisture-cured polyolefin hot melt adhesive and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112358833A (en) * | 2020-11-09 | 2021-02-12 | 吴文静 | Reactive hot melt adhesive raw material and preparation method thereof |
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| CN101469256A (en) * | 2007-12-04 | 2009-07-01 | Sika技术股份公司 | Hot melt adhesive with good adhesion to polyolefines |
| CN104245872A (en) * | 2012-04-27 | 2014-12-24 | 汉高股份有限及两合公司 | Hot-melt adhesive for electric instruments |
| CN104755573A (en) * | 2012-11-12 | 2015-07-01 | Sika技术股份公司 | Reactive polyolefin hot-melt adhesive with low adhesion to uncoated aluminium tools and use thereof as a laminating hot-melt |
| CN107267089A (en) * | 2017-07-26 | 2017-10-20 | 广州市白云化工实业有限公司 | Response type polyolefin hot-melt and preparation method thereof |
| CN109666423A (en) * | 2019-01-21 | 2019-04-23 | 福建省昌德胶业科技有限公司 | A kind of trunk cushion of automobile hot melt adhesive and preparation method thereof |
-
2019
- 2019-10-24 CN CN201911016182.0A patent/CN110655880A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1993414A (en) * | 2004-08-05 | 2007-07-04 | 陶氏环球技术公司 | Moisture-curable silane crosslinking composition |
| CN101469256A (en) * | 2007-12-04 | 2009-07-01 | Sika技术股份公司 | Hot melt adhesive with good adhesion to polyolefines |
| CN104245872A (en) * | 2012-04-27 | 2014-12-24 | 汉高股份有限及两合公司 | Hot-melt adhesive for electric instruments |
| CN104755573A (en) * | 2012-11-12 | 2015-07-01 | Sika技术股份公司 | Reactive polyolefin hot-melt adhesive with low adhesion to uncoated aluminium tools and use thereof as a laminating hot-melt |
| CN107267089A (en) * | 2017-07-26 | 2017-10-20 | 广州市白云化工实业有限公司 | Response type polyolefin hot-melt and preparation method thereof |
| CN109666423A (en) * | 2019-01-21 | 2019-04-23 | 福建省昌德胶业科技有限公司 | A kind of trunk cushion of automobile hot melt adhesive and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112358833A (en) * | 2020-11-09 | 2021-02-12 | 吴文静 | Reactive hot melt adhesive raw material and preparation method thereof |
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Application publication date: 20200107 |