JP2009275188A5

JP2009275188A5 -

Info

Publication number: JP2009275188A5
Application number: JP2008130100A
Authority: JP
Filing date: 2008-05-16
Publication date: 2011-01-20
Anticipated expiration: 2028-05-16

Description

即ち、本発明のポリオレフィン系樹脂組成物は、２３０℃におけるメルトフローレート（ＭＦＲ）が２０ｄｇ／ｍｉｎ以上のポリオレフィン系樹脂に対し、下記一般式（１）、

（式中、ｎは、０乃至２の整数であり、Ｒ^１、Ｒ^２、Ｒ^３、Ｒ^４及びＲ^５は、各々独立して、水素原子、ハロゲン原子、炭素原子数１〜４のアルキル基、炭素原子数１〜４のアルコキシ基、炭素原子数２〜４のアルケニル基、炭素原子数１〜４のヒドロキシルアルキル基、炭素原子数１〜４のハロゲン化アルキル基及び炭素原子数１〜４のヒドロキシハロゲン化アルキル基からなる群から選択される）で表されるジベンジリデンソルビトール化合物（Ａ）及び、下記一般式（２）、

（式中、Ｒ^６〜Ｒ^９は各々独立して、水素原子又は炭素原子数１〜９のアルキル基を表し、Ｒ^１０は水素原子又はメチル基を表し、Ｍはアルカリ金属を表す）で表される有機リン酸エステルのアルカリ金属塩化合物（Ｂ）を配合してなるものであって、上記ポリオレフィン系樹脂１００質量部に対し、（Ａ）成分と（Ｂ）成分の総和が０．０１〜１．０質量部で、かつ（Ａ）成分と（Ｂ）成分の比率（質量比）が、（Ａ）／（Ｂ）＝９９／１〜８０／２０の範囲内であることを特徴とするものである。 That is, the polyolefin resin composition of the present invention has the following general formula (1) with respect to a polyolefin resin having a melt flow rate (MFR) at 230 ° C. of 20 dg / min or more.

(In the formula, n is an integer of 0 to 2, and R ¹ , R ² , R ³ , R ⁴ and R ⁵ are each independently a hydrogen atom, a halogen atom, or an alkyl having 1 to 4 carbon atoms. Group, an alkoxy group having 1 to 4 carbon atoms, an alkenyl group having 2 to 4 carbon atoms, a hydroxylalkyl group having 1 to 4 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, and 1 to 1 carbon atoms A dibenzylidene sorbitol compound (A) represented by the following formula (2), selected from the group consisting of 4 hydroxyhalogenated alkyl groups:

(Wherein R ^{6 to} R ⁹ each independently represents a hydrogen atom or an alkyl group having 1 to 9 carbon atoms, R ¹⁰ represents a hydrogen atom or a methyl group, and M represents an alkali metal). The organophosphate ester alkali metal salt compound (B) is blended, and the total amount of the component (A) and the component (B) is 0.01 to 100 parts by mass of the polyolefin resin. 1.0 parts by mass and the ratio (mass ratio) of the component (A) to the component (B) is in the range of (A) / (B) = 99/1 to 80/20. Is.

Claims

For a polyolefin resin having a melt flow rate (MFR) at 230 ° C. of 20 dg / min or more, the following general formula (1),

(Wherein R ^{6 to} R ⁹ each independently represents a hydrogen atom or an alkyl group having 1 to 9 carbon atoms, R ¹⁰ represents a hydrogen atom or a methyl group, and M represents an alkali metal). The organophosphate ester alkali metal salt compound (B) is blended, and the total amount of the component (A) and the component (B) is 0.01 to 100 parts by mass of the polyolefin resin. It is 1.0 mass part, and the ratio (mass ratio) of (A) component and (B) component exists in the range of (A) / (B) = 99/1-80/20. Polyolefin resin composition.

The polyolefin resin composition according to claim 1, wherein the polyolefin resin is a polypropylene resin having a melt flow rate at 230 ° C of 20 to 100 dg / min.

3. The R ^{1 to} R ⁴ in the general formula (1) are each independently selected from the group consisting of a hydrogen atom and an alkyl group having 1 to 4 carbon atoms, and R ⁵ is a hydrogen atom. Polyolefin resin composition.

The polyolefin resin composition according to any one of claims 1 to 3, wherein M in the general formula (2) is lithium, and R ^{6 to} R ⁹ are tertiary butyl groups.