JP2006083218A5 - - Google Patents
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- JP2006083218A5 JP2006083218A5 JP2004266920A JP2004266920A JP2006083218A5 JP 2006083218 A5 JP2006083218 A5 JP 2006083218A5 JP 2004266920 A JP2004266920 A JP 2004266920A JP 2004266920 A JP2004266920 A JP 2004266920A JP 2006083218 A5 JP2006083218 A5 JP 2006083218A5
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- mfr
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Description
すなわち本発明の樹脂組成物は、下記成分(A)、(B)および(C)からなり、(B)/(C)の重量比率が60/40〜70/30であり、かつ(A)/[(B)と(C)
の総量]の重量比率が91/9〜97/3であり、該樹脂組成物から剛性、透明性、耐寒
衝撃性、耐熱白化性に優れたブロー成形体を得られる。
(A)230℃におけるMFRが0.1〜2.0g/10min、エチレン含有量が3.0〜4.0wt%であるエチレン−プロピレンランダム共重合体。
(B)190℃におけるMFRが0.1〜5.0g/10minであり、JIS K 7112に従って測定した密度が880〜925kg/m3である直鎖状低密度ポリエチレン。
(C)190℃におけるMFRが0.1〜5.0g/10min、ASTM D 792に従って測定した密度が855〜885kg/m3である(C−1)エチレン−ブテン共重合体又は(C−2)エチレン−オクテン共重合体。
That is, the resin composition of the present invention comprises the following components (A), (B) and (C), the weight ratio of (B) / (C) is 60/40 to 70/30, and (A) / [(B) and (C)
The weight ratio of the total amount] is 91 / 9-97 / 3, the rigidity of the resin composition, transparency, low temperature impact resistance, is obtained an excellent blow molded article to heat whitening.
(A) An ethylene-propylene random copolymer having an MFR at 230 ° C. of 0.1 to 2.0 g / 10 min and an ethylene content of 3.0 to 4.0 wt%.
(B) A linear low-density polyethylene having an MFR at 190 ° C. of 0.1 to 5.0 g / 10 min and a density measured according to JIS K 7112 of 880 to 925 kg / m 3 .
(C) an ethylene-butene copolymer having an MFR at 190 ° C. of 0.1 to 5.0 g / 10 min and a density measured according to ASTM D 792 of 855 to 885 kg / m 3 or (C-2 ) Ethylene-octene copolymer.
本発明のプロピレン系樹脂組成物は、特定のエチレン−プロピレンランダム共重合体(A)に直鎖状低密度ポリエチレン(B)、並びにエチレン−ブテン共重合体(C−1)およびエチレン−オクテン共重合体(C−2)から選ばれる少なくても1種の共重合体を特定の比率で含有させた樹脂組成物であり、この樹脂組成物から剛性、透明性、耐寒衝撃性、耐熱白化性に優れたブロー成形体が得られる。 The propylene resin composition of the present invention comprises a specific ethylene-propylene random copolymer (A), a linear low density polyethylene (B), an ethylene-butene copolymer (C-1) and an ethylene-octene copolymer. a resin composition containing a fewer or one copolymer selected from the polymer (C-2) in a specific ratio, the rigidity of the resin composition, transparency, low temperature impact resistance, heat whitening resistance An excellent blow molded article can be obtained.
すなわち本発明の樹脂組成物は、下記成分(A)、(B)および(C)からなり、(B)/(C)の重量比率が60/40〜70/30であり、かつ(A)/[(B)と(C)
の総量]の重量比率が91/9〜97/3であり、該樹脂組成物から剛性、透明性、耐寒
衝撃性、耐熱白化性に優れたブロー成形体を得られる。
(A)230℃におけるMFRが0.1〜2.0g/10min、エチレン含有量が3.0〜4.0wt%であるエチレン−プロピレンランダム共重合体。
(B)190℃におけるMFRが0.1〜5.0g/10minであり、JIS K 7112に従って測定した密度が880〜925kg/m3である直鎖状低密度ポリエチレン。
(C)190℃におけるMFRが0.1〜5.0g/10min、ASTM D 792に従って測定した密度が855〜885kg/m3である(C−1)エチレン−ブテン共重合体又は(C−2)エチレン−オクテン共重合体。
That is, the resin composition of the present invention comprises the following components (A), (B) and (C), the weight ratio of (B) / (C) is 60/40 to 70/30, and (A) / [(B) and (C)
The weight ratio of the total amount] is 91 / 9-97 / 3, the rigidity of the resin composition, transparency, low temperature impact resistance, is obtained an excellent blow molded article to heat whitening.
(A) An ethylene-propylene random copolymer having an MFR at 230 ° C. of 0.1 to 2.0 g / 10 min and an ethylene content of 3.0 to 4.0 wt%.
(B) A linear low-density polyethylene having an MFR at 190 ° C. of 0.1 to 5.0 g / 10 min and a density measured according to JIS K 7112 of 880 to 925 kg / m 3 .
(C) an ethylene-butene copolymer having an MFR at 190 ° C. of 0.1 to 5.0 g / 10 min and a density measured according to ASTM D 792 of 855 to 885 kg / m 3 or (C-2 ) Ethylene-octene copolymer.
(A)エチレン−プロピレンランダム共重合体
(A)エチレン−プロピレンランダム共重合体の230℃におけるメルトフローレート(MFR)は、0.1〜2.0g/10分、好ましくは0.3〜1.5g/10分、更に好ましくは0.8〜1.5g/10分である。また、赤外吸収スペクトルで測定したエチレン含有量が3.0〜4.0wt%、好ましくは3.0〜3.5wt%であることが望ましい。
(A) an ethylene - propylene random copolymer (A) an ethylene - propylene melt flow rate at 230 ° C. of the random copolymer (M FR) is, 0.1 to 2.0 g / 10 min, preferably 0.3 It is -1.5g / 10min, More preferably, it is 0.8-1.5g / 10min. Moreover, it is desirable that the ethylene content measured by infrared absorption spectrum is 3.0 to 4.0 wt%, preferably 3.0 to 3.5 wt%.
(B)直鎖状低密度ポリエチレン
(B)直鎖状低密度ポリエチレンの、190℃におけるメルトフローレート(MFR)は、0.1〜5.0g/10min、好ましくは0.5〜4.0g/10minである。MFRが前記の範囲内にあると、エチレン−プロピレンランダム共重合体中での分散性が良好となり、透明性が向上する。この直鎖状低密度ポリエチレンの、JIS K 7112
に従って測定した密度は880〜925kg/m3、好ましくは890〜920kg/m3、更に好ましくは900〜915kg/m3である。MFR及び密度が前記の範囲内にあると、エチレン−プロピレンランダム共重合体中での分散性が良好となり、透明性が向上する。また、成分(C)を添加した際の耐熱白化性の悪化が抑制される。
(B) a linear low density polyethylene (B) of linear low density polyethylene, melt flow rate at 190 ℃ (M FR) is, 0.1 to 5.0 g / 10min, preferably 0.5 to 4 0.0 g / 10 min. When the MFR is within the above range, the dispersibility in the ethylene-propylene random copolymer becomes good and the transparency is improved. Of this linear low density polyethylene, JIS K 7112
The density measured according to the above is 880 to 925 kg / m 3 , preferably 890 to 920 kg / m 3 , more preferably 900 to 915 kg / m 3 . When the MFR and density are within the above ranges, the dispersibility in the ethylene-propylene random copolymer becomes good and the transparency is improved. Moreover, the deterioration of the heat-resistant whitening property at the time of adding a component (C) is suppressed.
(C)エチレン−ブテン共重合体又はエチレン−オクテン共重合体
(C−1)エチレン−ブテン共重合体および(C−2)エチレン−オクテン共重合体の、190℃におけるメルトフローレート(MFR)は、0.1〜5.0g/10min、好ましくは0.5〜4.0g/10minである。MFRが前記の範囲内にあると、エチレン−プロピレンランダム共重合体中での分散性が良好となり、透明性が向上する。
(C) an ethylene - butene copolymer or an ethylene - octene copolymer (C-1) an ethylene - butene copolymer and (C-2) an ethylene - octene copolymer having a melt flow rate at 190 ° C. (M FR) is 0.1 to 5.0 g / 10 min, preferably 0.5 to 4.0 g / 10 min. When the MFR is within the above range, the dispersibility in the ethylene-propylene random copolymer becomes good and the transparency is improved.
この共重合体のASTM D 792に従って測定した密度は855〜885kg/m3、好ましくは855〜880kg/m3である。密度が前記の範囲内にあると、良好な耐寒衝撃性を有するゴム的性質を示す。 The density of this copolymer, measured according to ASTM D 792, is 855-885 kg / m 3 , preferably 855-880 kg / m 3 . When the density is in the above range, rubber properties having good cold shock resistance are exhibited.
実施例で使用した原料は以下のとおりである。
(A−1)エチレン-プロピレンランダム共重合体:
MFR(230℃);1.0g/10分
エチレン含有量;3.3wt%
(A−2)エチレン-プロピレンランダム共重合体
MFR(230℃);1.0g/10分
エチレン含有量;1.5wt%
(A−3)エチレン-プロピレンランダム共重合体
MFR(230℃);12g/10分
エチレン含有量;4.9wt%
(B−1)直鎖状低密度ポリエチレン:
MFR(190℃);3.8g/10分
密度;903kg/m3
(B−2)直鎖状低密度ポリエチレン:
MFR(190℃);3.8g/10分
密度;913kg/m3
(C−1)エチレン−ブテン共重合体:
MFR(190℃);2.0g/10分
密度;885kg/m3
(C−2)エチレン−オクテン共重合体:
MFR(190℃);0.5g/10分
密度;862kg/m3
(D)造核剤;
ヒドロキシアルミニウム-ビス[2,2-メチレン-ビス(4,6-ジ-t-ブチルフェニル
)フォスフェート](主成分) 商品名NA-21(旭電化製)
The raw materials used in the examples are as follows.
(A-1) Ethylene-propylene random copolymer:
MFR (230 ° C.); 1.0 g / 10 min. Ethylene content; 3.3 wt%
(A-2) Ethylene-propylene random copolymer MFR (230 ° C.); 1.0 g / 10 minutes Ethylene content; 1.5 wt%
(A-3) Ethylene-propylene random copolymer MFR (230 ° C.); 12 g / 10 minutes Ethylene content; 4.9 wt%
(B-1) Linear low density polyethylene:
MFR (190 ° C.); 3.8 g / 10 min Density; 903 kg / m 3
(B- 2 ) Linear low density polyethylene:
MFR (190 ° C.); 3.8 g / 10 min Density; 913 kg / m 3
(C-1) Ethylene-butene copolymer:
MFR (190 ° C.); 2.0 g / 10 minutes Density; 885 kg / m 3
(C-2) Ethylene-octene copolymer:
MFR (190 ° C.); 0.5 g / 10 min Density; 862 kg / m 3
(D) a nucleating agent;
Hydroxyaluminum-bis [2,2-methylene-bis (4,6-di-t-butylphenyl) phosphate] (main component) Product name NA-21 (Asahi Denka)
[比較例1]
実施例1において(A−1)エチレン−プロピレンランダム共重合体の代わりに(A−2)エチレン−プロピレンランダム共重合体を用いた以外は実施例1と同様に行った。
[Comparative Example 1]
Out in Example 1 (A-1) Ethylene - propylene instead of random copolymer (A-2) et styrene - except that a propylene random copolymer was carried out as in Example 1.
[比較例2]
実施例1において(A−1)エチレン−プロピレンランダム共重合体の代わりに(A−3)エチレン−プロピレンランダム共重合体を用いた以外は実施例1と同様に行った。
[Comparative Example 2]
Out in Example 1 (A-1) an ethylene - (A-3) in place of the propylene random copolymer et styrene - except that a propylene random copolymer was carried out as in Example 1.
Claims (6)
(A)230℃におけるMFRが0.1〜2.0g/10min、エチレン含有量が3.0〜4.0wt%であるエチレン−プロピレンランダム共重合体。
(B)190℃におけるMFRが0.1〜5.0g/10minであり、JIS K 7112に従って測定した密度が880〜925kg/m3である直鎖状低密度ポリエチレン。
(C)190℃におけるMFRが0.1〜5.0g/10min、ASTM D 792に従って測定した密度が855〜885kg/m3である、(C−1)エチレン−ブテン共重合体又は(C−2)エチレン−オクテン共重合体。 It consists of the following components (A), (B) and (C), the weight ratio of (B) / (C) is 60/40 to 70/30, and (A) / [(B) and (C) The total weight of the resin composition is 91/9 to 97/3.
(A) An ethylene-propylene random copolymer having an MFR at 230 ° C. of 0.1 to 2.0 g / 10 min and an ethylene content of 3.0 to 4.0 wt%.
(B) A linear low-density polyethylene having an MFR at 190 ° C. of 0.1 to 5.0 g / 10 min and a density measured according to JIS K 7112 of 880 to 925 kg / m 3 .
(C) an ethylene-butene copolymer or (C-1) having an MFR at 190 ° C. of 0.1 to 5.0 g / 10 min and a density measured according to A STM D 792 of 855 to 885 kg / m 3 -2) An ethylene-octene copolymer.
Priority Applications (1)
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JP2004266920A JP2006083218A (en) | 2004-09-14 | 2004-09-14 | Propylenic resin composition and blow molded article comprising the composition |
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JP2004266920A JP2006083218A (en) | 2004-09-14 | 2004-09-14 | Propylenic resin composition and blow molded article comprising the composition |
Publications (2)
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JP2006083218A JP2006083218A (en) | 2006-03-30 |
JP2006083218A5 true JP2006083218A5 (en) | 2007-07-26 |
Family
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JP2004266920A Pending JP2006083218A (en) | 2004-09-14 | 2004-09-14 | Propylenic resin composition and blow molded article comprising the composition |
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Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5014006B2 (en) * | 2006-07-19 | 2012-08-29 | キヤノン株式会社 | ink cartridge |
JP5241111B2 (en) | 2007-02-16 | 2013-07-17 | 旭有機材工業株式会社 | Propylene-based resin composition and piping member molded using the same |
JP4945466B2 (en) * | 2008-01-24 | 2012-06-06 | 日本ポリエチレン株式会社 | Multilayer blow molded article and method for producing the same |
JP4898716B2 (en) * | 2008-01-24 | 2012-03-21 | 日本ポリエチレン株式会社 | Multilayer blow molded article and method for producing the same |
EP2247424B1 (en) * | 2008-02-29 | 2012-07-04 | Basell Poliolefine Italia S.r.l. | Polyolefin compositions |
JP6855710B2 (en) * | 2016-09-01 | 2021-04-07 | Mcppイノベーション合同会社 | Thermoplastic elastomer composition |
CN109135067A (en) * | 2017-06-27 | 2019-01-04 | 阿布扎比聚合物有限责任公司(博禄) | For manufacturing the polypropene composition of high-voltage tube |
KR102528749B1 (en) * | 2019-11-28 | 2023-05-03 | 롯데케미칼 주식회사 | Polyolefin resin composition and medical hose manufactured therefrom |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3366461B2 (en) * | 1994-09-20 | 2003-01-14 | 三菱化学株式会社 | Extrusion molding resin composition |
JP3506538B2 (en) * | 1995-05-19 | 2004-03-15 | 日本ポリオレフィン株式会社 | Polypropylene resin sheet |
JP3577367B2 (en) * | 1995-07-18 | 2004-10-13 | 日本ポリオレフィン株式会社 | Polypropylene resin composition and container comprising the composition |
JP3547533B2 (en) * | 1995-07-20 | 2004-07-28 | 日本ポリオレフィン株式会社 | Polypropylene resin sheet |
JP3295337B2 (en) * | 1997-03-28 | 2002-06-24 | 株式会社トクヤマ | Laminated film |
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2004
- 2004-09-14 JP JP2004266920A patent/JP2006083218A/en active Pending
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