JP2006045507A5

JP2006045507A5 -

Info

Publication number: JP2006045507A5
Application number: JP2005180942A
Authority: JP
Filing date: 2005-06-21
Publication date: 2006-10-19
Anticipated expiration: 2025-06-21

Description

（式中、Ｒ₁ は、水素原子、または、置換または非置換の１価の炭化水素基を、Ｒ ₂ は、置換または非置換の１価の炭化水素基を、ａはその平均値が０．４０から１．７０の範囲内にある値を、ｂは平均組成式（１）中におけるケイ素原子に結合したＯＲ₂基の比率が５重量部以上になる値をそれぞれ示す。Ｒ _１およびＲ ₂ は、各々独立している。）
また、本発明の屋外塗装面用表面保護剤は、反応性シリコーンオイルが下記一般式（２）で示されることが好適である。 (Wherein R ₁ is a hydrogen atom or a substituted or unsubstituted monovalent hydrocarbon group, R ₂ is a substituted or unsubstituted monovalent hydrocarbon group, and a has an average value of 0 values from .40 in the range of 1.70, b represents a value ratio of oR ₂ groups is equal to or greater than 5 parts by weight of silicon-bonded in the average composition formula (1), respectively. R ₁ and R ₂ are independent of each other. )
Moreover, it is suitable that the reactive silicone oil is shown by following General formula (2) for the surface protection agent for the outdoor painting surfaces of this invention.

（式中、Ｒ₁ は、水素原子、または、置換または非置換の１価の炭化水素基を、Ｒ ₂ は、置換または非置換の１価の炭化水素基を、ａはその平均値が０．４０から１．７０の範囲内にある値を、ｂは平均組成式（１）中におけるケイ素原子に結合したＯＲ₂基の比率が５重量部以上になる値をそれぞれ示す。Ｒ _１およびＲ ₂ は、各々独立している。）
また、Ｒ₁とＲ₂とは同一であっても、それぞれ異なっていてもよい。Ｒ ₁としては、水素原子、例えば、メチル基、エチル基、プロピル基、３,３,３−トリフルオロプロピル基、ブチル基、ヘキシル基、フェニル基などの置換または非置換の１価の炭化水素基が挙げられる。Ｒ ₂ としては、上記した置換または非置換の１価の炭化水素基と同様のものが挙げられる。これらＲ _１およびＲ _２のうち、好ましくは、Ｒ₁としてメチル基、Ｒ₂としてメチル基またはエチル基が挙げられる。 (Wherein R ₁ is a hydrogen atom or a substituted or unsubstituted monovalent hydrocarbon group, R ₂ is a substituted or unsubstituted monovalent hydrocarbon group, and a has an average value of 0 values from .40 in the range of 1.70, b represents a value ratio of oR ₂ groups is equal to or greater than 5 parts by weight of silicon-bonded in the average composition formula (1), respectively. R ₁ and R ₂ are independent of each other. )
R ₁ and R ₂ may be the same or different. R ₁ is a hydrogen atom, for example, a substituted or unsubstituted monovalent hydrocarbon such as methyl, ethyl, propyl, 3,3,3-trifluoropropyl, butyl, hexyl, phenyl, etc. Groups. Examples of R ₂ include the same as the above-described substituted or unsubstituted monovalent hydrocarbon group. Of these R ₁ and R ₂ , preferably, R ₁ is a methyl group, and R ₂ is a methyl group or an ethyl group.

Claims

A surface protective agent for outdoor paint surfaces, comprising a moisture curable silicone resin, a curing catalyst, and a reactive silicone oil having at least one alkoxy group at a molecular end.

The surface protective agent for outdoor coating surfaces according to claim 1, wherein the moisture-curable silicone resin is represented by the following average composition formula (1).

(Wherein R ₁ is a hydrogen atom or a substituted or unsubstituted monovalent hydrocarbon group, R ₂ is a substituted or unsubstituted monovalent hydrocarbon group, and a has an average value of 0 values from .40 in the range of 1.70, b represents a value ratio of oR ₂ groups is equal to or greater than 5 parts by weight of silicon-bonded in the average composition formula (1), respectively. R ₁ and R ₂ are independent of each other. )

The surface protective agent for outdoor coating surfaces according to claim 1 or 2, wherein the reactive silicone oil is represented by the following general formula (2).

(In the formula, R ₃ and R ₄ each independently represents a substituted or unsubstituted monovalent hydrocarbon group, m represents an integer of 0 to 2, and n represents an integer of 0 to 400.)

The surface protective agent for outdoor coating surfaces according to claim 1, wherein the blending ratio of the reactive silicone oil is 150 parts by weight or less with respect to 100 parts by weight of the moisture curable silicone resin.