JP2012197377A5

JP2012197377A5 -

Info

Publication number: JP2012197377A5
Application number: JP2011062879A
Authority: JP
Filing date: 2011-03-22
Publication date: 2014-03-06
Anticipated expiration: 2031-03-22

Description

すなわち、本発明は、ビニル化合物共重合体およびポリイソシアネートからなる組成物の架橋物からなるフィルムにおいて、該ビニル化合物共重合体が、下記モノマー単位：
（Ａ）水酸基を有しないビニル化合物（ａモル％）、
（Ｂ）水酸基を有する直鎖状または分岐状のアルキル基を有し、該アルキル基の炭素数が１〜６であるビニル化合物（ｂモル％）、および
（Ｃ）下記式：
ＣＨ_２＝Ｃ（Ｒ）−ＣＯＯ−Ｙ
［ここで、ＲはＨまたはＣＨ_３であり、Ｙは末端に水酸基を有する直鎖状または分岐状飽和炭化水素基であり、Ｙは所望により開環ラクトン基（−ＣＯ−（ＣＨ_２）ｎ−Ｏ−、ここでｎは４〜６の整数である）、カーボネート基（−Ｏ−ＣＯ−Ｏ−）、エステル基（−ＣＯ−Ｏ−）、エーテル基（−Ｏ−）およびウレタン基（−ＮＨ−ＣＯ−Ｏ−）から成る群から選択される１以上の基を有していてもよく、かつ２５〜１２０の炭素原子を有する］を有するビニル化合物（ｃモル％）
から成り、上記ａ〜ｃが、ａ＋ｂ＋ｃ＝１００でありかつ下記式（１）および式（２）：
３（ｂ＋ｃ）／４≦ａ≦４（ｂ＋ｃ）・・・（１）
４ｃ／３ ≦ｂ≦４０ｃ・・・（２）
を満たすところのフィルムである。
また、本発明は、熱可塑性樹脂フィルムの少なくとも片面に上記フィルムを有する積層フィルムも提供する。 That is, the present invention provides a film comprising a crosslinked product of a composition comprising a vinyl compound copolymer and a polyisocyanate, wherein the vinyl compound copolymer comprises the following monomer units:
(A) a vinyl compound having no hydroxyl group (a mol%),
(B) a vinyl compound (b mol%) having a linear or branched alkyl group having a hydroxyl group, the alkyl group having 1 to 6 carbon atoms, and (C) the following formula:
_{CH 2 = C (R) -COO} -Y
[Wherein R is H or CH ₃ , Y is a linear or branched saturated hydrocarbon group having a hydroxyl group at the terminal, and Y is optionally a ring-opening lactone group (—CO— (CH ₂ ) n -O-, where n is an integer from 4 to 6, carbonate groups (-O-CO-O-), ester groups (-CO-O-), ether groups (-O-) and urethane groups ( A vinyl compound (c mol%) which may have one or more groups selected from the group consisting of —NH—CO—O—) and has 25 to 120 carbon atoms]
Wherein a to c are a + b + c = 100 and the following formulas (1) and (2):
3 (b + c) / 4 ≦ a ≦ 4 (b + c) (1)
4c / 3 ≦ b ≦ 40c (2)
It is a film that meets the requirements.
The present invention also provides a laminated film having the above film on at least one surface of a thermoplastic resin film.

モノマー（Ｂ）
モノマー（Ｂ）は、水酸基を有する直鎖状または分岐状のアルキル基を有するビニル化合物であり、該アルキル基の炭素数が１〜６、好ましくは２〜４である。モノマー（Ｂ）としては、例えば、アクリル酸２−ヒドロキシエチル、メタクリル酸２−ヒドロキシエチル、アクリル酸２−ヒドロキシプロピル、メタクリル酸２−ヒドロキシプロピル、アクリル酸４−ヒドロキシブチル、メタクリル酸４−ヒドロキシブチル、ヒドロキシエチルアクリルアミドおよびアリルアルコール等が挙げられ、中でも、アクリル酸２−ヒドロキシエチルエステルおよびメタクリル酸２−ヒドロキシエチルエステルが好ましい。 Monomer (B)
The monomer (B) is a vinyl compound having a linear or branched alkyl group having a hydroxyl group, and the alkyl group has 1 to 6 carbon atoms, preferably 2 to 4 carbon atoms. Examples of the monomer ( B ) include 2-hydroxyethyl acrylate, 2-hydroxyethyl methacrylate, 2-hydroxypropyl acrylate, 2-hydroxypropyl methacrylate, 4-hydroxybutyl acrylate, 4-hydroxybutyl methacrylate. , Hydroxyethyl acrylamide, and allyl alcohol, among which acrylic acid 2-hydroxyethyl ester and methacrylic acid 2-hydroxyethyl ester are preferable.

Claims

In a film comprising a crosslinked product of a composition comprising a vinyl compound copolymer and a polyisocyanate, the vinyl compound copolymer comprises the following monomer units:
(A) a vinyl compound having no hydroxyl group (a mol%),
(B) a vinyl compound (b mol%) having a linear or branched alkyl group having a hydroxyl group, the alkyl group having 1 to 6 carbon atoms, and (C) the following formula:
_{CH 2 = C (R) -COO} -Y
[Wherein R is H or CH ₃ , Y is a linear or branched saturated hydrocarbon group having a hydroxyl group at the terminal, and Y is optionally a ring-opening lactone group (—CO— (CH ₂ ) n -O-, where n is an integer from 4 to 6, carbonate groups (-O-CO-O-), ester groups (-CO-O-), ether groups (-O-) and urethane groups ( A vinyl compound (c mol%) which may have one or more groups selected from the group consisting of —NH—CO—O—) and has 25 to 120 carbon atoms]
Wherein a to c are a + b + c = 100 and the following formulas (1) and (2):
3 (b + c) / 4 ≦ a ≦ 4 (b + c) (1)
4c / 3 ≦ b ≦ 40c (2)
A film that meets the requirements.

The film according to claim 1, wherein Y in the monomer unit (C) has one or more groups selected from the group consisting of a ring-opening lactone group, a carbonate group, an ester group, an ether group and a urethane group.

The laminated film which has a film of Claim 1 or 2 on the at least single side | surface of a thermoplastic resin film.

A scratch resistance, fill beam according to claim 1 or 2.

The laminated film according to claim 3, which is scratch resistant.

Article having a full Irumu of claim 4.

An article comprising the laminated film according to claim 5.

The film according to claim 4, which has an embossed pattern on one surface.

The laminated film according to claim 5, which has an embossed pattern on the surface of the film according to claim 1 or 2.

The film according to claim 8, having a thickness of 10 to 30 μm.

The laminated film according to claim 9, wherein the film according to claim 1 or 2 has a thickness of 10 to 30 μm.

The method of manufacturing the film of Claim 8 or 10 including forming an embossing pattern using the embossing roll which has the surface roughness Rz of 20 micrometers or more.

The method for producing a laminated film according to claim 9, comprising forming an embossed pattern using an embossing roll having a surface roughness Rz of 20 μm or more.

A film produced by the method of claim 12.

A laminated film produced by the method according to claim 13.

An article comprising the film according to claim 8, 10 or 14.

An article comprising the laminated film according to claim 9, 11 or 15.