WO2005019368A1 - クロロプレン系グラフト接着剤の製造方法 - Google Patents
クロロプレン系グラフト接着剤の製造方法 Download PDFInfo
- Publication number
- WO2005019368A1 WO2005019368A1 PCT/JP2004/012016 JP2004012016W WO2005019368A1 WO 2005019368 A1 WO2005019368 A1 WO 2005019368A1 JP 2004012016 W JP2004012016 W JP 2004012016W WO 2005019368 A1 WO2005019368 A1 WO 2005019368A1
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- WO
- WIPO (PCT)
- Prior art keywords
- graft
- organic solvent
- adhesive
- polymerization
- black
- 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.)
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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
- C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J151/04—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F279/00—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00
- C08F279/02—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00 on to polymers of conjugated dienes
Definitions
- the present invention relates to a method for producing a black-mouthed plaene-based graft adhesive in which the volatilization rate of an organic solvent is adjusted.
- Cloth-prene graft adhesives obtained by graft-polymerizing methyl methacrylate onto polycloth-prene are suitable as adhesives for difficult-to-adhere materials such as synthetic leather and plastic materials, and are particularly suitable for shoe manufacturing. Widely used in the Japanese manufacturing industry. (For example, see Non-Patent Documents 1 and 2)
- Non-Patent Document 1 Adhesion Technology Vol. 21, No. 4 (2002), Vol. 65, No. 4 (page 4; 1.3 (2), second paragraph)
- Non-patent document 2 Journal of the Adhesion Society of Japan Vol. 20, No. 6 (1984) (p. 34)
- the present invention aims to provide a chloroprene-based graft adhesive in which the volatilization rate of an organic solvent is adjusted, and provides a method for producing the same.
- the polycloth-prene in producing a black-mouthed-plate-based graft adhesive in which methacrylic acid is graft-polymerized to poly-mouthed-plane, the polycloth-prene can be dissolved and has a boiling point or azeotropic point power of S70 ° C or higher.
- the present invention has the following gist.
- polyclonal-prene can be dissolved and its boiling point or azeotropic point is higher than 70 ° C. After graft-polymerizing methyl methacrylate onto polychloroprene in an organic solvent A alone or in a mixed solvent containing organic solvent A, another organic solvent B alone or a mixed solvent containing organic solvent B is added. A method for producing a black-mouthed plene-based graft adhesive.
- the amount of the organic solvent A used in the graft polymerization is 50 to 80% by mass of the total amount of the organic solvent, and the amount of the organic solvent B added after the graft polymerization is 50 to 20% by mass (1) or The method for producing a black-mouthed prene graft adhesive according to (2).
- the viscosity is 1000 5,000 mPa's, and the solid content is 1222%.
- the black-mouthed prene-based graft adhesive is limited in the organic solvent that can be used due to the restriction of the graft polymerization temperature, and it is difficult to control the drying speed. According to the present invention, the volatilization of the organic solvent A black-mouthed plene-based graft adhesive having a controlled speed is obtained.
- the polychloroprene (hereinafter also referred to as "CR”) in the present invention is a homopolymer of 2_chloroprene-1,3-butadiene (hereinafter referred to as "clope prene”), It is a copolymer of monomers that can be copolymerized with.
- any of a homopolymer and a copolymer can be used, but from the viewpoint of adhesive strength, it is preferable to use a chloroprene homopolymer.
- the monomer copolymerizable with chloroprene for example, 2,3-dichloro-1,3-butadiene, 1-chloro-1,3-butadiene, butadiene, isoprene, styrene, Atari Examples include nitrile, acrylic acid or esters thereof, methacrylic acid or esters thereof, and two or more kinds may be used as needed.
- the structure of the CR in the present invention is not particularly limited, but by appropriately selecting and controlling the polymerization temperature, polymerization initiator, chain transfer agent, polymerization terminator, final polymerization rate, and the like, It is possible to adjust the molecular weight, molecular weight distribution, molecular terminal structure, crystallization rate, and the like. From the viewpoint of adhesive properties, a higher crystallization rate is preferred.
- the viscosity of a 10% toluene solution at 20 ° C is 400 mPa's or less, preferably 300 mPa's or less.
- CR is dissolved in an organic solvent A, and methyl methacrylate (hereinafter also referred to as MMA) is graft-polymerized to CR in the system.
- MMA methyl methacrylate
- the amount of MMA to be added is not particularly limited, but is preferably 10 to 100 parts by mass of MMA, more preferably 30 to 70 parts by mass with respect to 100 parts by mass of CR. More preferably, it is 50 to 65 parts by mass.
- Graft polymerization of MMA can be carried out by a conventional method.
- the organic solvent A which is the solvent used for the polymerization, is selected in consideration of the solubility of CR and the graft polymerization temperature.
- the boiling point or azeotropic point of the organic solvent A and the mixed solvent containing the organic solvent A is 70 ° C. Higher It is essential that the temperature is low, preferably 80 ° C or higher. If the boiling point of the solvent occurs at a boiling point or azeotropic point of 70 ° C or less, it becomes extremely difficult to control the MMA conversion rate of the graft polymerization within the desired range.
- Examples of the organic solvent A used include aromatic solvents such as toluene and xylene, saturated hydrocarbons such as heptane, octane, cyclohexane and methylcyclohexane (MCH), and methyl ethyl ketone (hereinafter referred to as MEK). ) And polar solvents such as ethyl acetate can be used. Generally, these solvents are appropriately mixed and used.
- the volume ratio of toluene / MEK is preferably 95 / 5-20 / 80, and particularly preferably 70Z30 30/70.
- the amount of the organic solvent A or a mixed solvent thereof used in the graft polymerization is not limited. Considering the amount, it is preferable that the amount is as small as possible, and the content is preferably 50 to 80% by mass based on the total amount of the organic solvent used (the total amount of the organic solvent A and the organic solvent B).
- Specific examples include about 200 to 500 parts by mass of organic solvent A per 100 parts by mass of CR, and more preferably 300 to 400 parts by mass.
- the CR solid content in the organic solvent A before the graft copolymerization is preferably adjusted to 15% or more, more preferably 17% or more.
- the amount of the organic solvent A is too small (the solid content of the CR is too high), the viscosity of the solution becomes too high, and if it becomes difficult to control the temperature of the graft polymerization, the load on the device which can be reduced by force increases, resulting in It becomes difficult to control the graft polymerization.
- the graft polymerization temperature of MMA is not particularly limited, but is preferably from 70 to 90 ° C in order to smoothly carry out the polymerization reaction. More preferably, it is 80-90 ° C.
- polymerization initiator examples include, but are not particularly limited to, organic peroxides represented by benzoyl peroxide (hereinafter referred to as BP ⁇ ) and azobisisobutyronitrile. Azo compounds and the like can be used.
- BP ⁇ benzoyl peroxide
- Azo compounds and the like can be used.
- the use of an organic peroxide is preferred for increasing the graft reaction efficiency, and the use of BP is more preferred from the viewpoint of controlling the polymerization.
- the polymerization rate of MMA graft polymerization is not particularly limited, but is preferably 3060% from the viewpoint of adhesive strength. More preferably, it is 40-50%.
- Graft polymerization can be terminated at an arbitrary polymerization rate by a polymerization terminator.
- the polymerization terminator used here is not particularly limited, and a general polymerization terminator can be used. Specific examples include hydroquinone, 2,6-tert-butyl-41-methylphenol (hereinafter referred to as BHT), phenothiazine, hydroxyamine and the like.
- the organic solvent B to be added at this time is not particularly limited.
- the organic solvent B may be selected so that the MMA graft polymerization solution has a desired volatilization rate.
- relative evaporation rates of solvents based on n-butyl acetate are known (for example, Adhesion Encyclopedia (1993), Asakura Shoten (p. 215; Table 15.13);
- the evaporation rate can be estimated from the numerical values of the individual organic solvents.
- the content of a harmful solvent such as an aromatic solvent can be adjusted.
- an organic solvent having a relative evaporation rate of preferably 240 or less, particularly preferably 100 or less is suitable for decreasing the drying rate of the black-mouthed graft adhesive.
- examples include octane, tonolene, xylene, mesitylene, black benzene, Examples include trahydronaphthalene, tetrachloroethane, diisobutyl ketone, methyl butyl ketone, butynolepropionate, cyclohexanone, cyclopentanone, butynole acetate, N, N_dimethylformamide, and mixed solvents thereof. Is done.
- an organic solvent having a relative evaporation rate of preferably 250 or more, particularly preferably 500 or more is suitable.
- examples include pentane, hexane, cyclohexane, heptane, methylcyclohexane, low-boiling industrial gasoline, acetone, methyl ethyl ketone, ethyl acetate, propyl acetate, getyl ether, tetrahydrofuran, methylene chloride. , Chlorophonolem, carbon tetrachloride, a mixed solvent thereof and the like.
- the viscosity force S is preferably 1000- 5000 mPa 's, particularly preferred lay ⁇ or 1500 4000 mPa' s, solid force S preferably f or 12 22 0/0, Particularly preferred is a black-mouthed-prene graft adhesive having excellent properties of 15-20%.
- a tackifying resin is used. It is preferred to add.
- a tackifying resin When a tackifying resin is blended, the type thereof is not particularly limited. Specifically, rosin resin, polymerized rosin resin, ⁇ -pinene resin, monopinene resin, terpene phenol resin, C5 fraction petroleum resin, C9 fraction petroleum resin, C5 / C9 fraction petroleum resin, DCPD Examples include petroleum resins, alkylphenol resins, xylene resins, cumarone resins, and cumarone indene resins. The use of a terpene phenol resin is most preferred from the viewpoint of the balance of adhesive properties such as adhesive strength, pot life, and tackiness.
- the black-mouthed-plane graft adhesive obtained in the present invention may be used in accordance with the required performance, in accordance with required properties, a curing agent, a metal oxide, a filler, an ultraviolet absorber, an antioxidant, and a silane coupling. Agents, chlorinated polyethylene and the like can be arbitrarily added.
- the combined use of a curing agent is preferred because it can greatly improve the adhesive strength.
- it is used as a two-component adhesive and usually has a limited pot life because of the increase in viscosity after the addition of a curing agent. Therefore, the hardener should be added immediately before use Example
- Solid content (%) ⁇ X 100 Amount of organic solvent A (parts by mass) + amount of MMA charged (parts by mass)
- BPO graft polymerization initiator
- graft polymerization was performed with stirring. The reaction was started. After the reaction was performed for 5 hours, 2.0 parts of BHT was added to stop the polymerization, and a chloroprene-based graft reaction solution was obtained.
- the conversion ratio of MMA in the resulting black-mouthed prene-based graft reaction solution was 45%, and the solid content was 22.8%.
- the viscosity of the obtained black-mouthed prene-based graft reaction solution at 25 ° C. and 12 rpm using a Brookfield viscometer was 14,500 mPa's.
- the viscosity of a 10% solution in toluene 20 ° C of the CR in this example was 250 mPa 's Q
- Desmodur RFE manufactured by Bayer; polyisocyanate curing agent, solid content 27%) was added as a curing agent to the graft adhesive, mixed well, and then mixed with a PVC synthetic leather sheet ( 200 gZm 2 was applied to 60% (25 ⁇ 60 mm) of two sides of 25 mm ⁇ 100 mm). After drying for 30 minutes, the sheets were bonded together, and after 7 days of curing, the normal strength was measured.
- a T-type peel strength was measured by a tensile tester in a 23 ° C atmosphere at a tensile speed of 50 mmZmin.
- the solid content of CR before the graft copolymerization was calculated in the same manner as in Example 1, and found to be 17.86%.
- the viscosity of the obtained black-mouthed prene-based graft reaction solution was measured at 25 ° C and 12 rpm using a Brookfield viscometer. The viscosity was 15, OOOmPa's.
- the viscosity of a 10% toluene solution of CR at 20 ° C. was 240 mPa ′s.
- 200 parts of cyclohexane was added as an organic solvent B (diluting solvent) to the obtained black-mouthed graft-based graft reaction solution to obtain a black-mouthed plain-based graft adhesive having a reduced volatilization rate. The test was performed.
- the viscosity of the obtained polymerization solution measured at 25 ° C. and 12 rpm using a Brookfield viscometer was 4,200 mPa's.
- the viscosity of a 10% solution in toluene 20 ° C of the CR in this comparative example was 550 mPa 's Q
- the solid content of CR before graft copolymerization was calculated in the same manner as in Example 1, and found to be 13.16%.
- the viscosity of the 10% Tonolen solution at 20 ° C. of CR in this comparative example was 550 mPa ⁇ s as in Comparative Example 1.
- Example 1 Example 2 Example 3 Comparative example 1 Comparative example 2 Polymer used A-30 / A-70 A-30 / A-70 DCR-10 A-90 A-90 Mooney viscosity 20/40 20/40 30 48 48
- the application of the black-mouthed-prene graft adhesive obtained by the production method of the present invention is not particularly limited, and it is preferably used in various fields, in particular, synthetic leather made of polyvinyl chloride or polyurethane, For hard-to-adhere adherends such as rubber and plastic materials It is suitable for wearing and is usefully used as an adhesive in the shoe manufacturing industry.
- the graft adhesive obtained in the present invention can be used as a primer.
- controlling the evaporation rate of the solvent is more important than when using it as an adhesive, The present invention may be usefully used.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Graft Or Block Polymers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003-295887 | 2003-08-20 | ||
| JP2003295887A JP4195647B2 (ja) | 2003-08-20 | 2003-08-20 | クロロプレン系グラフト接着剤の製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005019368A1 true WO2005019368A1 (ja) | 2005-03-03 |
Family
ID=34213572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/012016 Ceased WO2005019368A1 (ja) | 2003-08-20 | 2004-08-20 | クロロプレン系グラフト接着剤の製造方法 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4195647B2 (ja) |
| CN (1) | CN100497511C (ja) |
| WO (1) | WO2005019368A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102746472A (zh) * | 2012-04-20 | 2012-10-24 | 苏州兴业材料科技股份有限公司 | 一种改性聚丙烯专用树脂及其制备方法 |
| CN102863934A (zh) * | 2012-08-28 | 2013-01-09 | 东莞市万钧化工新材料科技有限公司 | 一种耐热性改性水性氯丁胶的制备方法及应用 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101921563B (zh) * | 2010-09-16 | 2012-11-07 | 武汉理工大学 | 粉末冶金-高分子自润滑复合材料胶黏剂及其制备方法 |
| CN108084928B (zh) * | 2017-11-16 | 2019-12-13 | 武汉国利精细科技有限公司 | 一种密封包装袋专用结构密封胶及其制备方法 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50124939A (ja) * | 1974-03-22 | 1975-10-01 | ||
| JPS55139409A (en) * | 1979-04-16 | 1980-10-31 | Denki Kagaku Kogyo Kk | Graft copolymer composition |
| JPH01123882A (ja) * | 1987-11-10 | 1989-05-16 | Tosoh Corp | 接着剤の製造法 |
| JPH02265910A (ja) * | 1989-04-07 | 1990-10-30 | Tosoh Corp | 接着剤用固形状グラフト化クロロプレン重合体及びその製造法 |
| JPH02286771A (ja) * | 1989-04-28 | 1990-11-26 | Tosoh Corp | 接着剤の製造法 |
| JPH0586347A (ja) * | 1991-09-28 | 1993-04-06 | Aica Kogyo Co Ltd | 接着剤 |
| JPH06256742A (ja) * | 1993-03-05 | 1994-09-13 | Nogawa Chem Kk | クロロプレン合成ゴム系接着剤組成物 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85105447B (zh) * | 1985-07-11 | 1988-03-02 | 成都科技大学 | 制造接枝共聚物的简便方法 |
-
2003
- 2003-08-20 JP JP2003295887A patent/JP4195647B2/ja not_active Expired - Fee Related
-
2004
- 2004-08-20 WO PCT/JP2004/012016 patent/WO2005019368A1/ja not_active Ceased
- 2004-08-20 CN CNB2004800013523A patent/CN100497511C/zh not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50124939A (ja) * | 1974-03-22 | 1975-10-01 | ||
| JPS55139409A (en) * | 1979-04-16 | 1980-10-31 | Denki Kagaku Kogyo Kk | Graft copolymer composition |
| JPH01123882A (ja) * | 1987-11-10 | 1989-05-16 | Tosoh Corp | 接着剤の製造法 |
| JPH02265910A (ja) * | 1989-04-07 | 1990-10-30 | Tosoh Corp | 接着剤用固形状グラフト化クロロプレン重合体及びその製造法 |
| JPH02286771A (ja) * | 1989-04-28 | 1990-11-26 | Tosoh Corp | 接着剤の製造法 |
| JPH0586347A (ja) * | 1991-09-28 | 1993-04-06 | Aica Kogyo Co Ltd | 接着剤 |
| JPH06256742A (ja) * | 1993-03-05 | 1994-09-13 | Nogawa Chem Kk | クロロプレン合成ゴム系接着剤組成物 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102746472A (zh) * | 2012-04-20 | 2012-10-24 | 苏州兴业材料科技股份有限公司 | 一种改性聚丙烯专用树脂及其制备方法 |
| CN102746472B (zh) * | 2012-04-20 | 2015-03-25 | 苏州兴业材料科技股份有限公司 | 一种改性聚丙烯专用树脂及其制备方法 |
| CN102863934A (zh) * | 2012-08-28 | 2013-01-09 | 东莞市万钧化工新材料科技有限公司 | 一种耐热性改性水性氯丁胶的制备方法及应用 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005060624A (ja) | 2005-03-10 |
| JP4195647B2 (ja) | 2008-12-10 |
| CN100497511C (zh) | 2009-06-10 |
| CN1705727A (zh) | 2005-12-07 |
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