JPH0518852B2 - - Google Patents
Info
- Publication number
- JPH0518852B2 JPH0518852B2 JP1189202A JP18920289A JPH0518852B2 JP H0518852 B2 JPH0518852 B2 JP H0518852B2 JP 1189202 A JP1189202 A JP 1189202A JP 18920289 A JP18920289 A JP 18920289A JP H0518852 B2 JPH0518852 B2 JP H0518852B2
- Authority
- JP
- Japan
- Prior art keywords
- carbon
- paint
- parts
- silyl group
- group
- 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.)
- Expired - Lifetime
Links
Landscapes
- Paints Or Removers (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polyurethanes Or Polyureas (AREA)
Description
本発明は、主鎖が実質的に炭素・炭素結合から
なり、末端あるいは側鎖に加水分解性シリル基を
含むシリル基含有重合体とイソシアネート化合物
と、熱硬化型アクリル染料、アルキツド塗料、ま
たはエポキシ系塗料からなる低温で硬化可能な密
着性に優れた樹脂組成物に関する。
本発明者らは、主鎖が実質的に炭素・炭素結合
からなり、末端あるいは側鎖に加水分解性基を有
するシリル基を含有する重合体が、実質的に主鎖
が炭素・炭素結合のみからなる通常のビニル系樹
脂の特徴である高光沢、耐候性、耐変色性等の点
で塗料、コーテイング材、シーリング材及び接着
剤としての優れた特徴だけでなく、加水分解性シ
リル基による無機質の基材に対する耐溶剤性や密
着性の向上、さらに水分、特に大気中の水分によ
る常温架橋で、緻密な網状構造を形成し耐溶剤
性、耐水性、耐熱性、高い硬度、耐候性等に優れ
た樹脂になることを見い出し、先に特許出願をお
こなつている（特開昭54−36395）。
本発明者らは、さらにシリル基含有ビニル系樹
脂の検討を進め、シリル基含有ビニル系樹脂、イ
ソシアネート化合物および各種塗料の３成分から
なる樹脂組成物が、高温ではもちろん、低温でも
容易に硬化し、上記のシリル基含有ビニル系樹脂
の優れた諸物性をさらに向上させ、殊に有機物に
対する密着性の向上した硬化樹脂となることを見
い出し、本発明をなすに到つた。
即ち、本発明は、主鎖が実質的に炭素・炭素結
合の繰返しからなり、末端あるいは側鎖に加水分
解性基と結合した珪素原子を１分子中少くとも１
個有するシリル基含有重合体(A)とイソシアネート
化合物(B)および、熱硬化型アクリル塗料、アルキ
ツド塗料、またはエポキシ系塗料(C)とを有効成分
として含有する樹脂組成物を内容とする。
本発明に用いられる樹脂は、主鎖が実質的に炭
素・炭素二重結合からなるビニル系重合体からな
り、末端あるいは側鎖に加水分解性基と結合した
珪素原子を１分子中に少くとも１個、好ましくは
２個以上含有するものであり、該シリル基の多く
は
The present invention uses a silyl group-containing polymer whose main chain is substantially composed of carbon-carbon bonds and a hydrolyzable silyl group at the terminal or side chain, an isocyanate compound, a thermosetting acrylic dye, an alkyd paint, or an epoxy The present invention relates to a resin composition comprising a paint system and having excellent adhesion that can be cured at low temperatures. The present inventors have discovered that a polymer whose main chain consists essentially of carbon-carbon bonds and contains a silyl group having a hydrolyzable group at the terminal or side chain is a polymer whose main chain consists essentially of carbon-carbon bonds. It not only has excellent characteristics as a paint, coating material, sealing material, and adhesive in terms of high gloss, weather resistance, and color resistance, which are the characteristics of ordinary vinyl resins, but also has inorganic properties due to the hydrolyzable silyl group. It improves solvent resistance and adhesion to the base material, and also forms a dense network structure through room-temperature crosslinking with moisture, especially atmospheric moisture, resulting in improved solvent resistance, water resistance, heat resistance, high hardness, weather resistance, etc. He discovered that it could be made into an excellent resin and filed a patent application (Japanese Patent Application Laid-Open No. 54-36395). The present inventors further investigated silyl group-containing vinyl resins, and found that a resin composition consisting of three components, a silyl group-containing vinyl resin, an isocyanate compound, and various paints, can be easily cured not only at high temperatures but also at low temperatures. It was discovered that the excellent physical properties of the above-mentioned silyl group-containing vinyl resin can be further improved, resulting in a cured resin with particularly improved adhesion to organic substances, and the present invention has been completed. That is, in the present invention, the main chain is substantially composed of repeating carbon-carbon bonds, and at least one silicon atom in each molecule is bonded to a hydrolyzable group at the terminal or side chain.
The resin composition contains a silyl group-containing polymer (A), an isocyanate compound (B), and a thermosetting acrylic paint, alkyd paint, or epoxy paint (C) as active ingredients. The resin used in the present invention is made of a vinyl polymer whose main chain is substantially composed of carbon-carbon double bonds, and has at least one silicon atom bonded to a hydrolyzable group at the terminal or side chain in each molecule. It contains one, preferably two or more silyl groups, and most of the silyl groups are
【式】で示される。
（ただし、Ｘは加水分解性基、R1、R2は水素又
は炭素数１〜10までのアルキル基、アリール又は
アラルキル基を示し、ｎは１、２、３の整数であ
る）。
加水分解性基としては、ハロゲン、アルコキ
シ、アシルオキシ、ケトキシメート、アミド、酸
アミド、アミノオキシ、メルカプト、アルケニル
オキシ基が含まれる。
本発明のシリル基含有ビニル系樹脂の製造は、
種々の方法で可能であるが以下に示す、○
蚤It is shown by [Formula]. (However, X is a hydrolyzable group, R 1 and R 2 are hydrogen or an alkyl group, aryl, or aralkyl group having 1 to 10 carbon atoms, and n is an integer of 1, 2, or 3). Hydrolyzable groups include halogen, alkoxy, acyloxy, ketoximate, amide, acid amide, aminooxy, mercapto, and alkenyloxy groups. The production of the silyl group-containing vinyl resin of the present invention includes:
It is possible to use various methods, but as shown below, ○...flea
Claims (1)
なり、末端あるいは側鎖に加水分解性基と結合し
た珪素原子を１分子中少くとも１個有するシリル
基含有重合体(A)と、１分子中に２個以上のイソシ
アネート基を有するイソシアネート化合物(B)と、
水酸基含有熱硬化型アクリル塗料、短油型アルキ
ツド塗料またはビスフエノールＡジグリシジルエ
ーテル型エポキシ系塗料(C)とを有効成分として含
有し、(A)成分100重合部に対して、(B)成分が0.5〜
15重量部、(C)成分が５〜200重量部（樹脂固形分
として）配合されてなる樹脂組成物。 ２ シリル基含有重合体(A)の主鎖が炭素・炭素結
合のみの繰返しからなるビニル型重合体である特
許請求の範囲第１項記載の樹脂組成物。[Scope of Claims] 1. A silyl group-containing polymer whose main chain consists essentially of repeating carbon-carbon bonds and which has at least one silicon atom in each molecule bonded to a hydrolyzable group at the terminal or side chain. (A), an isocyanate compound (B) having two or more isocyanate groups in one molecule,
Contains a hydroxyl group-containing thermosetting acrylic paint, a short oil type alkyd paint, or a bisphenol A diglycidyl ether type epoxy paint (C) as an active ingredient, and the (B) component per 100 polymerized parts of the (A) component is 0.5~
A resin composition containing 15 parts by weight and 5 to 200 parts by weight (as resin solid content) of component (C). 2. The resin composition according to claim 1, wherein the main chain of the silyl group-containing polymer (A) is a vinyl type polymer consisting of only repeating carbon-carbon bonds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1189202A JPH0264120A (en) | 1989-07-20 | 1989-07-20 | Resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1189202A JPH0264120A (en) | 1989-07-20 | 1989-07-20 | Resin composition |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56059003A Division JPS57172917A (en) | 1981-04-17 | 1981-04-17 | Resin composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0264120A JPH0264120A (en) | 1990-03-05 |
| JPH0518852B2 true JPH0518852B2 (en) | 1993-03-15 |
Family
ID=16237236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1189202A Granted JPH0264120A (en) | 1989-07-20 | 1989-07-20 | Resin composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0264120A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3121639B2 (en) * | 1991-09-06 | 2001-01-09 | 積水化学工業株式会社 | Adhesive composition |
| US5684084A (en) * | 1995-12-21 | 1997-11-04 | E. I. Du Pont De Nemours And Company | Coating containing acrylosilane polymer to improve mar and acid etch resistance |
| EP0974629A4 (en) | 1997-04-11 | 2000-06-28 | Kaneka Corp | Curable composition for topcoating and articles coated therewith |
| CN1165561C (en) * | 1999-03-17 | 2004-09-08 | 纳幕尔杜邦公司 | High solids acid etch resistant clear coating composition |
| BRPI0619900A2 (en) * | 2005-12-09 | 2014-04-29 | Univ Rutgers | INK RECYCLING PROCESS AS A COMPONENT FOR IMMISIBLE POLYMERIC MIX |
| CA3188565A1 (en) * | 2020-08-04 | 2022-02-10 | Kansai Paint Co., Ltd. | Coating composition with high solids content, and method for forming multilayer coating film |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57172917A (en) * | 1981-04-17 | 1982-10-25 | Kanegafuchi Chem Ind Co Ltd | Resin composition |
-
1989
- 1989-07-20 JP JP1189202A patent/JPH0264120A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0264120A (en) | 1990-03-05 |
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