JPH0241343A - Polypropylene resin composition - Google Patents
Polypropylene resin compositionInfo
- Publication number
- JPH0241343A JPH0241343A JP19028188A JP19028188A JPH0241343A JP H0241343 A JPH0241343 A JP H0241343A JP 19028188 A JP19028188 A JP 19028188A JP 19028188 A JP19028188 A JP 19028188A JP H0241343 A JPH0241343 A JP H0241343A
- Authority
- JP
- Japan
- Prior art keywords
- polypropylene resin
- resin composition
- inorganic filler
- weight
- parts
- 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.)
- Pending
Links
- -1 Polypropylene Polymers 0.000 title claims abstract description 21
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 21
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 21
- 239000011342 resin composition Substances 0.000 title claims abstract description 13
- 239000011256 inorganic filler Substances 0.000 claims abstract description 10
- 229910003475 inorganic filler Inorganic materials 0.000 claims abstract description 10
- 239000012860 organic pigment Substances 0.000 claims abstract description 7
- 229920005989 resin Polymers 0.000 claims abstract description 7
- 239000011347 resin Substances 0.000 claims abstract description 7
- 239000000454 talc Substances 0.000 abstract description 5
- 229910052623 talc Inorganic materials 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 4
- 238000013329 compounding Methods 0.000 abstract 2
- 238000000465 moulding Methods 0.000 abstract 1
- 238000002156 mixing Methods 0.000 description 11
- 229920005604 random copolymer Polymers 0.000 description 5
- 238000004040 coloring Methods 0.000 description 4
- 239000004711 α-olefin Substances 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 3
- 239000012760 heat stabilizer Substances 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229920001400 block copolymer Polymers 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229920005676 ethylene-propylene block copolymer Polymers 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920013716 polyethylene resin Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 229920001384 propylene homopolymer Polymers 0.000 description 2
- ANRHNWWPFJCPAZ-UHFFFAOYSA-M thionine Chemical compound [Cl-].C1=CC(N)=CC2=[S+]C3=CC(N)=CC=C3N=C21 ANRHNWWPFJCPAZ-UHFFFAOYSA-M 0.000 description 2
- OWYWGLHRNBIFJP-UHFFFAOYSA-N Ipazine Chemical compound CCN(CC)C1=NC(Cl)=NC(NC(C)C)=N1 OWYWGLHRNBIFJP-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NRCMAYZCPIVABH-UHFFFAOYSA-N Quinacridone Chemical compound N1C2=CC=CC=C2C(=O)C2=C1C=C1C(=O)C3=CC=CC=C3NC1=C2 NRCMAYZCPIVABH-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 239000001055 blue pigment Substances 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、ポリプロピレン樹脂組成物、特に傷が付いて
も目立たないポリプロピレン樹脂組成物に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a polypropylene resin composition, and particularly to a polypropylene resin composition that is not noticeable even if scratched.
ポリプロピレンは機械強度が優れ、溶融物の流動性が良
く、成形が容易であること、少量の顔料で任意の色に容
易に着色できることなどから、自動車部品の分野に広く
用いられている。そして自動車部品用成形物の剛性を増
すために、タルク等の無機フィラーを混入して使用され
ている。Polypropylene is widely used in the field of automobile parts because it has excellent mechanical strength, good melt fluidity, is easy to mold, and can be easily colored into any color with a small amount of pigment. In order to increase the rigidity of molded products for automobile parts, inorganic fillers such as talc are mixed in and used.
しかしながら、上記のような従来のポリプロピレン樹脂
組成物からなる自動車部品用成形品は金属等硬度の高い
もので引っかくと傷が付き易く。However, molded articles for automobile parts made of conventional polypropylene resin compositions as described above are easily damaged when scratched with highly hard materials such as metals.
ポリプロピレン樹脂が顔料を含む着色物である場合、そ
の傷が白くなって目立ちやすく、中でもポリプロピレン
樹脂中に無機フィラー特に粒子がりん片状のタルク等を
含む場合傷の目立ちは著しく。When the polypropylene resin is a colored material containing pigments, the scratches become white and are easily noticeable.In particular, when the polypropylene resin contains inorganic filler, especially flaky talc particles, etc., the scratches become noticeable.
外観１品質の低下を招くという問題点がある。There is a problem in that appearance 1 quality is deteriorated.
本発明の目的は、上記問題点を解決するため、傷が付い
ても目立ちにくく、優れた外観を長期にわたって維持で
きるポリプロピレン樹脂組成物を提供することである。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, an object of the present invention is to provide a polypropylene resin composition that is less noticeable even when scratched and can maintain an excellent appearance over a long period of time.
本発明は、ポリプロピレン樹脂５０〜９９重量％。 The present invention uses polypropylene resin in an amount of 50 to 99% by weight.
無機フィラー１〜５０重量％、および有機系顔料を含有
することを特徴とするポリプロピレン樹脂組成物である
。This is a polypropylene resin composition characterized by containing 1 to 50% by weight of an inorganic filler and an organic pigment.
本発明を構成するポリプロピレン樹脂としては、プロピ
レンの単独重合体またはプロピレンと他のα−オレフィ
ンとのブロックまたはランダム共重合体があげられる。Examples of the polypropylene resin constituting the present invention include propylene homopolymers and block or random copolymers of propylene and other α-olefins.
プロピレンの単独重合体としては、沸１１ｎ−へブタン
不溶分（％）で表わされる立体規則性指数が９０以上、
好ましくは９５以上のものが好ましい。As a propylene homopolymer, the stereoregularity index expressed as 11n-hebutane insoluble matter (%) is 90 or more,
Preferably, it is 95 or more.
プロピレン以外の共重合成分としては、エチレン、ブテ
ン−１などの炭素数２または４〜１０の α−オレフィ
ンがあり、その含有量はブロック共重合体の場合１通常
５０モル％以下、好ましくは３０モル％以下である。ま
たランダム共重合体の場合は好ましくは５モル％以下の
α−オレフィン含有量である。このようなポリプロピ
レン樹脂としては、２３０℃、２．１６ｋｇ荷重で測定
したＭＦＲ（ＡＳＴＭ Ｄ １２３８゜（し））が０．
０１〜１００ｇ／１０分、好マシクは １〜７０ｇ／１
０分のものが好ましく、その配合量は５０〜９９重量％
、好ましくは７０〜９０重量％である。Copolymerization components other than propylene include α-olefins having 2 or 4 to 10 carbon atoms such as ethylene and butene-1, and the content thereof is usually 50 mol% or less in the case of block copolymers, preferably 30 It is less than mol%. In the case of a random copolymer, the α-olefin content is preferably 5 mol% or less. Such polypropylene resin has an MFR (ASTM D 1238°) measured at 230°C and a load of 2.16kg of 0.
01-100g/10 minutes, preferred is 1-70g/1
0 minutes is preferable, and the blending amount is 50 to 99% by weight.
, preferably 70 to 90% by weight.
無機フィラーは充填剤としてポリプロピレン樹脂組成物
に一般的に使用されているものであれば特に制限さ九な
いが、例えば表面処理した平均粒径４μｍ以下のタルク
等があげられる。その配合量は１〜５０重量％、好まし
くは１０〜３０重量％である。無機フィラーを配合する
ことにより樹脂組成物に剛性が付与される。The inorganic filler is not particularly limited as long as it is commonly used as a filler in polypropylene resin compositions, and examples include surface-treated talc with an average particle diameter of 4 μm or less. The blending amount is 1 to 50% by weight, preferably 10 to 30% by weight. Rigidity is imparted to the resin composition by blending the inorganic filler.
有機系顔料はポリプロピレンを着色できるものであれば
よく、青着色におけるシアニンブルー赤着色におけるキ
ナクリドンレッド等が使用できる。その配合量は意図す
る着色の度合により適宜決定されるが、通常０．１〜１
０重量％、好ましくは１〜５重量％である。Any organic pigment may be used as long as it can color polypropylene, and cyanine red for blue coloring, quinacridone red for red coloring, etc. can be used. The blending amount is appropriately determined depending on the intended degree of coloring, but is usually 0.1 to 1.
0% by weight, preferably 1-5% by weight.
無機系顔料を配合した場合は傷が目立ちやすいが、有機
系顔料を配合することにより、無機フィラーを配合する
場合でも傷は目立たず、優れた外観を維持することがで
きる。When inorganic pigments are blended, scratches are more noticeable, but by blending organic pigments, scratches are less noticeable even when inorganic fillers are blended, and an excellent appearance can be maintained.
本発明では上記成分の他に耐衝撃性などの向上の目的で
、ポリエチレン樹脂、ゴム成分およびその他の添加剤を
配合することもできる。ポリエチレン樹脂は密度が０．
８〜０．９７ｋｇ／ｍ３、好ましくは０．９〜０．９７
ｋｇ／ｒｒ！、１９０℃、２．１５ｋｇ荷重で測定した
ＭＦＲよ、。、が０．０１〜５０ｇ／１０分、好ましく
は０．１〜２０ｇ７１０分のものが好ましい。その配合
量は最大３０重量％程度である。In the present invention, in addition to the above-mentioned components, a polyethylene resin, a rubber component, and other additives can also be blended for the purpose of improving impact resistance and the like. Polyethylene resin has a density of 0.
8-0.97 kg/m3, preferably 0.9-0.97
kg/rr! , MFR measured at 190°C and 2.15kg load. is preferably 0.01 to 50 g/10 minutes, preferably 0.1 to 20 g/10 minutes. Its blending amount is about 30% by weight at most.
ゴム成分としては２種以上の α−オレフィンランダム
共重合体があり、特にエチレン・プロピレンランダム共
重合体が好ましい。このようなエチレン・プロピレンラ
ンダム共重合体としては、エチレン含有量３０〜９０モ
ル％、好ましくは３０〜８０モル％１ＭＦＲｚｚａ＜が
０．０１〜５０ｇ／１０分、好ましくは０．１〜Ｌｏｇ
／ｌｏ分のものがあげられる。その配合量は最大４０重
量％程度とするのが良い。ゴム成分を配合することによ
り、成形品の耐衝撃性、特に低温における耐衝撃性が改
善される。As the rubber component, there are two or more types of α-olefin random copolymers, and ethylene/propylene random copolymers are particularly preferred. Such an ethylene/propylene random copolymer has an ethylene content of 30 to 90 mol%, preferably 30 to 80 mol%, and an MFRzza< of 0.01 to 50 g/10 min, preferably 0.1 to Log
/lo can be given. The blending amount is preferably about 40% by weight at most. By blending the rubber component, the impact resistance of the molded article, especially the impact resistance at low temperatures, is improved.
その他の添加剤としては、耐熱安定剤、錆防止剤、滑剤
、耐候安定剤等があげられ、本発明の組成物の特性を損
ねない範囲の使用量で使用することができる。Other additives include heat stabilizers, rust inhibitors, lubricants, weather stabilizers, etc., and can be used in amounts that do not impair the properties of the composition of the present invention.
本発明の組成物の混合方法としては、上記各成分を押出
機、ニーダ−等で混合する方法など、−船釣に行われる
混合方法が採用できる。As a method of mixing the composition of the present invention, a method of mixing the above-mentioned components using an extruder, a kneader, etc., which is used in boat fishing, can be adopted.
このようにして得られる本発明のポリプロピレン樹脂組
成物は、射出成形、押出成形、ブロー成形等で成形する
ことにより、硬度が高く、金属等で傷付けられても傷が
目立たない成形品が得られ、例えば、自動車内外装部品
、その他の用途に使用することができる。The thus obtained polypropylene resin composition of the present invention can be molded by injection molding, extrusion molding, blow molding, etc. to obtain molded products that have high hardness and do not show noticeable scratches even if scratched by metal etc. For example, it can be used for automobile interior and exterior parts and other applications.
以上のように、本発明のポリプロピレン樹脂組成物は、
着色顔料として有機系顔料を用いたので、無機フィラー
が混入されているにもかかわらず。As mentioned above, the polypropylene resin composition of the present invention is
Even though an inorganic filler is mixed in because an organic pigment was used as the coloring pigment.
傷が付いても目立ちにくく、優れた外観を長期にわたっ
て維持することができる。Even if it gets scratched, it is less noticeable and can maintain its excellent appearance for a long time.
以下、本発明の実施例について説明する。ただし、部は
重量部を示す。Examples of the present invention will be described below. However, parts indicate parts by weight.
実施例１
エチレン含有量が１１モル部、ＭＦＲ，、。、が４５ｇ
／１０分のエチレン・プロピレンブロック共重合体パウ
ダー８０部、平均粒子径が２．８μＩであるタルク２０
部、シアニンブルーを含む青色顔料５部、耐熱安定剤（
イルガノックス１０１０．チバガイギー社製、商標）０
．１５部、リン系耐熱安定剤（マーク３２９Ｋ、商標）
０．１５部および錆防止剤としてステアリン酸カルシ９
４０．１０部をヘンシニルミキサーで攪拌、混合した後
、二軸押出機（ＣＩＭ−５０、日本製鋼所製、商標）に
より混練しながら造粒した。これを射出成形によりシボ
面（８産シボ、Ｎα＃４８４）をもつ２ＩＩ１１厚の角
板とし、耐傷付性評価用サンプルとした。Example 1 Ethylene content: 11 mole parts, MFR. , is 45g
/ 80 parts of ethylene-propylene block copolymer powder for 10 minutes, talc 20 with an average particle size of 2.8μI
1 part, 5 parts of blue pigment containing cyanine blue, heat stabilizer (
Irganox 1010. Manufactured by Ciba Geigy, trademark) 0
．． 15 parts, phosphorus-based heat stabilizer (mark 329K, trademark)
0.15 parts and calcium stearate 9 as a rust inhibitor
After stirring and mixing 40.10 parts with a Henshinil mixer, the mixture was granulated while being kneaded with a twin-screw extruder (CIM-50, manufactured by Japan Steel Works, trademark). This was injection molded into a 2II11 thick square plate with a grained surface (8-grain grain, Nα #484) and used as a sample for evaluation of scratch resistance.
このサンプルのシボ面上に２０ｍｍ Ｘ ２０ｍｍのサ
ンドペーパー（＃８０）を置き、１ ｋｇｆ／ｃ＋＊”
の圧力をかけて引張り、サンプル表面に傷を付けた。こ
の傷をＡ（はとんど目立たない）〜Ｆ（非常によく目立
つ）の６段階に分けて評価を行った。その結果、傷の評
価はＡであった。Place 20mm x 20mm sandpaper (#80) on the grained surface of this sample and sand it to 1 kgf/c++"
The surface of the sample was scratched by applying pressure and pulling. The scratches were evaluated in six grades from A (barely noticeable) to F (very noticeable). As a result, the scratches were evaluated as A.
実施例２
実施例１において、エチレン・プロピレンブロック共重
合体パウダーを７５部とし、ＭＦＲｚａａｑ：が０．４
ｇ／１０分のエチレン・プロピレンゴム５部をさらに
添加した以外は実施例１と同様にしてサンプルを成形し
、評価を行った。その結果、傷の評価はＡであった。Example 2 In Example 1, the ethylene-propylene block copolymer powder was 75 parts, and MFRzaaq: was 0.4.
A sample was molded and evaluated in the same manner as in Example 1, except that 5 parts of ethylene/propylene rubber of g/10 min was further added. As a result, the scratches were evaluated as A.
代理人 弁理士 柳 原 成
手続補正
書
昭和６３年９月７日
特許庁長官 吉 １）文 毅 殿
１、事件の表示
昭和６３年特許願第１９０２８１号
２、発明の名称
ポリプロピレン樹脂組成物
３、補正をする者
事件との関係 特許出願人
代表者 竹
林省
４、代理人
〒１０５
電話４３６−４７００
６、補正の対象
明細書の発明の詳細な説明の欄
７、補正の内容
（１）明細書第４頁第１６行および第１７行ｒｋｇ／ボ
１をｒｇ／ａ＋？Ｊに訂正する。Agent Patent Attorney Yanagi Hara Written Amendment September 7, 1988 Director General of the Patent Office Yoshi 1) Moon Takeshi 1 Indication of the case 1988 Patent Application No. 190281 2 Name of the invention Polypropylene resin composition 3 Relationship with the case of the person making the amendment Patent applicant representative Takebayashi Ministry 4, agent 105 Telephone 436-4700 6 Column 7 for detailed explanation of the invention in the specification to be amended, Contents of the amendment (1) Description 4th page, lines 16 and 17 rkg/bo 1 rg/a+? Correct to J.
（２）同第４頁第１７行ｒ２．１５Ｊをｒ２．１６Ｊに
訂正する。(2) Correct r2.15J to r2.16J on page 4, line 17.
Claims (1)
ラー１〜５０重量％、および有機系顔料を含有すること
を特徴とするポリプロピレン樹脂組成物。(1) A polypropylene resin composition containing 50 to 99% by weight of a polypropylene resin, 1 to 50% by weight of an inorganic filler, and an organic pigment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19028188A JPH0241343A (en) | 1988-07-29 | 1988-07-29 | Polypropylene resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19028188A JPH0241343A (en) | 1988-07-29 | 1988-07-29 | Polypropylene resin composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0241343A true JPH0241343A (en) | 1990-02-09 |
Family
ID=16255556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19028188A Pending JPH0241343A (en) | 1988-07-29 | 1988-07-29 | Polypropylene resin composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0241343A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007004706A1 (en) * | 2005-07-01 | 2007-01-11 | Asahi Organic Chemicals Industry Co., Ltd. | Propylene resin composition for piping member, piping member molded by using same, and multilayer piping member |
-
1988
- 1988-07-29 JP JP19028188A patent/JPH0241343A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007004706A1 (en) * | 2005-07-01 | 2007-01-11 | Asahi Organic Chemicals Industry Co., Ltd. | Propylene resin composition for piping member, piping member molded by using same, and multilayer piping member |
| JP2007039474A (en) * | 2005-07-01 | 2007-02-15 | Asahi Organic Chem Ind Co Ltd | Propylene resin composition for piping member and piping member and multilayered piping member molded by using the same |
| US8058340B2 (en) | 2005-07-01 | 2011-11-15 | Asahi Organic Chemicals Industry Co., Ltd. | Propylene-based resin composition for pipe member and pipe member formed using the same |
| KR101321456B1 (en) * | 2005-07-01 | 2013-10-25 | 아사히 유키자이 고교 가부시키가이샤 | Propylene resin composition for piping member, piping member molded by using same, and multilayer piping member |
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