JPH06179784A - Polypropylene composition - Google Patents
Polypropylene compositionInfo
- Publication number
- JPH06179784A JPH06179784A JP33295892A JP33295892A JPH06179784A JP H06179784 A JPH06179784 A JP H06179784A JP 33295892 A JP33295892 A JP 33295892A JP 33295892 A JP33295892 A JP 33295892A JP H06179784 A JPH06179784 A JP H06179784A
- Authority
- JP
- Japan
- Prior art keywords
- weight
- polypropylene
- parts
- glass fiber
- polypropylene resin
- 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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、剛性、強度等の機械的
物性、外観に優れ、しかも耐熱剛性にとりわけ優れたポ
リプロピレン系組成物に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a polypropylene composition having excellent mechanical properties such as rigidity and strength, appearance, and particularly excellent heat resistance and rigidity.
【０００２】このような特性により、本発明の樹脂組成
物は、例えば、自動車分野、家電分野等の特に耐熱剛性
を必要とする部品において有用である。Due to such characteristics, the resin composition of the present invention is useful, for example, in parts requiring particularly high heat resistance in the fields of automobiles, home appliances and the like.
【０００３】[0003]
【従来の技術】ガラス繊維強化ポリプロピレンは、剛
性、強度ともにある程度優れているためにその一部はエ
ンジニアリングプラスチック（ガラス繊維強化物）を代
替し、自動車分野、家電分野等の部品に用いられてき
た。2. Description of the Related Art Since glass fiber reinforced polypropylene is excellent in rigidity and strength to some extent, a part of it has been used as a substitute for engineering plastics (glass fiber reinforced material) for parts in the fields of automobiles, home appliances, etc. .
【０００４】しかし、エンジニアリングプラスチック
（ガラス繊維強化物）例えば、ポリアミド、ポリエステ
ル、ポリカーボネート等に比べ耐熱性に劣り、特に耐熱
性を要求される部品においては使用が不可能であったの
が現状である。However, it is inferior in heat resistance to engineering plastics (glass fiber reinforced) such as polyamide, polyester, polycarbonate, etc., and it cannot be used in parts where heat resistance is required. .
【０００５】またガラス繊維強化ポリアミドにおいても
機械的物性は非常に優れるものの吸水による物性の不安
定性そして成形性の不良という問題が生じた。Further, the glass fiber reinforced polyamide also has very excellent mechanical properties, but has problems of unstable physical properties due to water absorption and poor moldability.
【０００６】そこでこれらの問題を解決するため各種方
法がとられた。ポリプロピレンとポリアミドそして相溶
化剤として不飽和カルボン酸で変性されたポリプロピレ
ンの混合物をガラス繊維で強化することで各種物性が改
良され、例えば特公昭５０−７６３６号公報、特開昭４
９−１３０９４７号公報、特開昭５７−１７２９５３号
公報で報告されている。Therefore, various methods have been taken to solve these problems. Various physical properties were improved by strengthening glass fiber with a mixture of polypropylene, polyamide and polypropylene modified with unsaturated carboxylic acid as a compatibilizer. For example, JP-B-50-7636 and JP-A-4
No. 9-130947 and Japanese Patent Application Laid-Open No. 57-172953.
【０００７】[0007]
【発明が解決しようとする課題】しかしながら、これら
のガラス繊維強化組成物は十分な耐熱剛性を得るには、
組成物中にポリアミド成分を最低でも７０重量％必要と
されており、このような組成物ではポリプロピレンによ
る改質効果が顕著に現れず吸水による物性安定性等を欠
いていた。However, in order to obtain sufficient heat resistance, these glass fiber reinforced compositions have the following problems.
At least 70% by weight of a polyamide component is required in the composition, and in such a composition, the modifying effect of polypropylene is not conspicuous, and physical stability due to water absorption is lacking.
【０００８】[0008]
【課題を解決するための手段】そこで本発明者らは、組
成物に対するポリプロピレン系樹脂の含有量を増加させ
た系で耐熱性をさらに向上させることを目的とし検討し
た結果、特定のポリプロピレン系樹脂と特定のポリアミ
ドを組み合わせて適量のガラス繊維を添加することでポ
リプロピレン系樹脂をより多く含有し熱変形温度が２０
０℃以上と極めて高い耐熱性を有した樹脂組成物が得ら
れることを見いだし、本発明を完成するに至った。Therefore, the inventors of the present invention conducted a study for the purpose of further improving the heat resistance in a system in which the content of the polypropylene-based resin in the composition was increased, and as a result, the specific polypropylene-based resin was obtained. By adding a proper amount of glass fiber in combination with a specific polyamide, the content of polypropylene resin is increased and the heat distortion temperature is 20
It was found that a resin composition having an extremely high heat resistance of 0 ° C. or higher was obtained, and the present invention was completed.
【０００９】すなわち本発明は、（Ａ）メルトフローレ
ート（ＭＦＲ：ＪＩＳ Ｋ ６７５８）が０．５〜４．
０ｇ／１０ｍｉｎであるポリプロピレン系樹脂４０〜５
５重量％、（Ｂ）相対粘度（９６％Ｈ2ＳＯ4，２５℃）
［ηr］が２．０〜２．７であるポリアミド６０〜４５
重量％、（Ｃ）上記の（Ａ）＋（Ｂ）＝１００重量部に
対して不飽和カルボン酸またはその誘導体でグラフトさ
れ、そのグラフト量が０．１〜３．０重量％である変性
ポリプロピレン系樹脂１０〜３０重量部、及び（Ｄ）上
記の（Ａ）＋（Ｂ）＝１００重量部に対してガラス繊維
２０〜１５０重量部を含んでなるポリプロピレン系組成
物である。That is, in the present invention, (A) the melt flow rate (MFR: JIS K 6758) is 0.5 to 4.
Polypropylene resin 40 to 5 with 0 g / 10 min
5% by weight, (B) relative viscosity (96% H 2 SO 4 , 25 ° C.)
Polyamides 60 to 45 having [η r ] of 2.0 to 2.7
% By weight, (C) Modified polypropylene grafted with an unsaturated carboxylic acid or its derivative with respect to 100 parts by weight of the above (A) + (B) = 0.1 to 3.0% by weight. A polypropylene-based composition comprising 10 to 30 parts by weight of a system resin, and (D) 20 to 150 parts by weight of glass fiber with respect to (A) + (B) = 100 parts by weight.
【００１０】本発明に用いられるポリプロピレン系樹脂
（Ａ）は、プロピレン単独重合体もしくはプロピレンに
エチレン、１−ブテン及び１−ヘキセン等を共重合させ
たものを例示することができ、これらの一種または二種
以上のブレンド物である。そして本発明に用いられるポ
リプロピレン系樹脂（Ａ）のメルトフローレート（ＭＦ
Ｒ：ＪＩＳ Ｋ ６７５８）は０．１〜４．０ｇ／１０
ｍｉｎ、好ましくは０．５〜３．０ｇ／１０ｍｉｎの範
囲になくてはならない。ＭＦＲが０．１ｇ／１０ｍｉｎ
未満のものは、流動性があまりにも低くなりすぎ幅広い
成形品が得られず、４．０ｇ／１０ｍｉｎを越えるもの
は、耐熱性の改善効果がなくなる。本発明に用いられる
ポリアミド（Ｂ）は、ヘキサメチレンジアミン、デカメ
チレンジアミン、ドデカメチレンジアミン、２，２，４
−または２，４，４−トリメチルヘキサメチレンジアミ
ン、１，３−または１，４−ビス（アミノメチル）シク
ロヘキサン、ビス（ｐ−アミノシクロヘキシルメタ
ン）、ｍ−またはｐ−キリシレンジアミン等の脂肪族、
脂環族、芳香族等のジアミンとアジピン酸、スペリン
酸、セバシン酸、シクロヘキサンジカルボン酸、テレフ
タル酸、イソフタル酸等の脂肪族、脂環族、芳香族等の
ジカルボン酸との重縮合によって得られるポリアミド、
ε−アミノカプロン酸、１１−アミノウンデカン酸等の
アミノカルボン酸の縮合によって得られるポリアミド、
ε−カプロラクタム、ω−ラウロラクタム等のラクタム
から得られるポリアミドあるいはこれらの成分からなる
共重合ポリアミド、これらのポリアミドの混合物等が例
示される。具体的には、ナイロン６、ナイロン６６、ナ
イロン６１０、ナイロン９、ナイロン１１、ナイロン１
２、また、これらのナイロンのブレンド物等が挙げられ
る。これらの中では、融点、物理的特性が優れポリプロ
ピレンに対する改良効果が大きいと考えられるナイロン
６、ナイロン６６が好ましい。The polypropylene resin (A) used in the present invention can be exemplified by a propylene homopolymer or a copolymer of propylene with ethylene, 1-butene, 1-hexene or the like. It is a blend of two or more kinds. The melt flow rate (MF) of the polypropylene resin (A) used in the present invention is
R: JIS K 6758) is 0.1 to 4.0 g / 10.
It should be in the range of min, preferably 0.5-3.0 g / 10 min. MFR is 0.1g / 10min
If it is less than 4.0 g, the fluidity is too low to obtain a wide molded article, and if it exceeds 4.0 g / 10 min, the effect of improving heat resistance is lost. The polyamide (B) used in the present invention includes hexamethylenediamine, decamethylenediamine, dodecamethylenediamine, 2,2,4.
Or an aliphatic such as 2,4,4-trimethylhexamethylenediamine, 1,3- or 1,4-bis (aminomethyl) cyclohexane, bis (p-aminocyclohexylmethane), m- or p-xylylenediamine ,
Obtained by polycondensation of alicyclic or aromatic diamine with adipic acid, speric acid, sebacic acid, cyclohexanedicarboxylic acid, terephthalic acid, isophthalic acid or other aliphatic, alicyclic or aromatic dicarboxylic acid polyamide,
polyamides obtained by condensation of aminocarboxylic acids such as ε-aminocaproic acid and 11-aminoundecanoic acid,
Examples thereof include polyamides obtained from lactams such as ε-caprolactam and ω-laurolactam, copolyamides composed of these components, and mixtures of these polyamides. Specifically, nylon 6, nylon 66, nylon 610, nylon 9, nylon 11, nylon 1
2, and a blended product of these nylons. Of these, nylon 6 and nylon 66, which have excellent melting points and physical properties and are considered to have a large effect of improving polypropylene, are preferable.
【００１１】そして本発明に用いられるポリアミド
（Ｂ）の相対粘度（９６％Ｈ2ＳＯ4，２５℃）［ηr］
は２．０〜２．７、好ましくは２．２〜２．５の範囲に
なくてはならない。［ηr］が２．０未満のものは、分
子量が低くなりすぎ機械的物性、成形性に劣り、２．７
を越えるものは、耐熱性の改善効果がなくなる。The relative viscosity of the polyamide (B) used in the present invention (96% H 2 SO 4 , 25 ° C.) [η r ]
Must be in the range 2.0 to 2.7, preferably 2.2 to 2.5. If the [η r ] is less than 2.0, the molecular weight becomes too low, resulting in poor mechanical properties and moldability.
If it exceeds, the effect of improving heat resistance is lost.
【００１２】本発明に用いられる不飽和カルボン酸また
はその誘導体で変性されたポリプロピレン系樹脂の主鎖
となるポリプロピレン系樹脂は、ポリプロピレン系樹脂
（Ａ）と同様にプロピレン単独重合もしくはプロピレン
にエチレン、１−ブテン及び１−ヘキセン等を共重合さ
せたものを例示することができ、これらの一種または二
種以上のブレンド物である。不飽和カルボン酸またはそ
の誘導体としては、アクリル酸、マレイン酸、フマル
酸、テトラヒドロフタル酸、イタコン酸、シトラコン
酸、クロトン酸、イソクロトン酸等の不飽和カルボン酸
またはその誘導体、例えば酸ハライド、アミド、イミ
ド、無水物、エステル等が挙げられ、特に無水マレイン
酸が好ましい。そして本発明に用いられる不飽和カルボ
ン酸またはその誘導体で変性されたポリプロピレン系樹
脂（Ｃ）の不飽和カルボン酸またはその誘導体のグラフ
ト量は、０．１〜３．０重量％、好ましくは０．２〜
１．０重量％の範囲になくてはならない。このグラフト
量が０．１重量％未満のものは、相溶化させるため不飽
和カルボン酸またはその誘導体で変性されたポリプロピ
レン系樹脂（Ｃ）の添加量が多くなり耐熱性が劣ってし
まい、３．０重量％を越えるものは耐衝撃強度が劣って
しまう。The polypropylene-based resin which is the main chain of the polypropylene-based resin modified with the unsaturated carboxylic acid or its derivative used in the present invention is the same as the polypropylene-based resin (A). -Butene, 1-hexene, and the like can be exemplified, and they are blends of one or more of these. As the unsaturated carboxylic acid or a derivative thereof, an unsaturated carboxylic acid such as acrylic acid, maleic acid, fumaric acid, tetrahydrophthalic acid, itaconic acid, citraconic acid, crotonic acid, isocrotonic acid or a derivative thereof, for example, an acid halide, an amide, Examples thereof include imides, anhydrides and esters, and maleic anhydride is particularly preferable. The graft amount of the unsaturated carboxylic acid or its derivative of the polypropylene resin (C) modified with the unsaturated carboxylic acid or its derivative used in the present invention is 0.1 to 3.0% by weight, preferably 0.1. 2 to
It must be in the range of 1.0% by weight. When the graft amount is less than 0.1% by weight, the amount of the polypropylene resin (C) modified with an unsaturated carboxylic acid or its derivative is increased for compatibilization, resulting in poor heat resistance. If the content exceeds 0% by weight, the impact strength will be poor.
【００１３】また不飽和カルボン酸またはその誘導体で
変性されたポリプロピレン系樹脂（Ｃ）の製造方法には
特にとらわれず、従来公知の種々の方法を採用すること
ができる。特に、ポリプロピレン粉末に前記の不飽和カ
ルボン酸またはその誘導体と通常のラジカル発生剤、例
えば、ジ−ｔ−ブチルパーオキサイド、ジクミルパーオ
キサイド、ベンゾパーオキサイド、２，５−ジメチル−
２，５−ジ（ｔ−ブチルパーオキシ）ヘキサン、１，３
−ビス（ｔ−ブチルパーオキシイソプロピル）ベンゼン
等の有機化合物を加え、押出機を用いて、溶融混練する
方法が簡便であり、好適に用いられる。The method for producing the polypropylene resin (C) modified with the unsaturated carboxylic acid or its derivative is not particularly limited, and various conventionally known methods can be adopted. In particular, polypropylene powder is mixed with the above-mentioned unsaturated carboxylic acid or its derivative and a conventional radical generator such as di-t-butyl peroxide, dicumyl peroxide, benzoperoxide, 2,5-dimethyl-.
2,5-di (t-butylperoxy) hexane, 1,3
A method in which an organic compound such as bis (t-butylperoxyisopropyl) benzene is added and the mixture is melt-kneaded using an extruder is simple and is preferably used.
【００１４】本発明に用いられるガラス繊維（Ｄ）は特
に限定はしないが、その表面をシラン化合物で処理して
いるものを用いることが好ましい。The glass fiber (D) used in the present invention is not particularly limited, but it is preferable to use one whose surface is treated with a silane compound.
【００１５】本発明のポリプロピレン系組成物は、前記
のポリプロピレン系樹脂（Ａ）が４０〜５５重量％、ポ
リアミド（Ｂ）が６０〜４５重量％、不飽和カルボン酸
またはその誘導体で変性されたポリプロピレン系樹脂
（Ｃ）が（Ａ）＋（Ｂ）＝１００重量部に対して１０〜
３０重量部、ガラス繊維が同じく（Ａ）＋（Ｂ）＝１０
０重量部に対して２０〜１５０重量部となる量から構成
されている。The polypropylene-based composition of the present invention comprises the polypropylene-based resin (A) in an amount of 40 to 55% by weight, the polyamide (B) in an amount of 60 to 45% by weight, and a polypropylene modified with an unsaturated carboxylic acid or its derivative. The resin (C) is 10 to 10 parts by weight of (A) + (B) = 100 parts by weight.
30 parts by weight, glass fiber is the same (A) + (B) = 10
The amount is 20 to 150 parts by weight with respect to 0 parts by weight.
【００１６】ポリプロピレン（Ａ）が４０重量％未満の
ものは、吸水による物性安定性が劣り、５５重量％を越
えるものは、耐熱性に劣る。不飽和カルボン酸またはそ
の誘導体で変性されたポリプロピレン系樹脂（Ｃ）が
（Ａ）＋（Ｂ）＝１００重量部に対して１０重量部未満
のものは、相溶性が劣り、３０重量部を越えるものは、
耐熱性に劣る。ガラス繊維（Ｄ）が（Ａ）＋（Ｂ）＝１
００重量部に対して２０重量部未満のものは、高い耐熱
性が得られず、１５０重量部を越えるものは、成形性、
外観ともに不良となってしまう。When polypropylene (A) is less than 40% by weight, the physical stability due to water absorption is poor, and when it exceeds 55% by weight, heat resistance is poor. If the polypropylene resin (C) modified with an unsaturated carboxylic acid or its derivative is less than 10 parts by weight with respect to (A) + (B) = 100 parts by weight, the compatibility is poor and exceeds 30 parts by weight. Things are
Inferior heat resistance. Glass fiber (D) is (A) + (B) = 1
If it is less than 20 parts by weight with respect to 00 parts by weight, high heat resistance cannot be obtained, and if it exceeds 150 parts by weight, moldability,
The appearance will be poor.
【００１７】本発明のポリプロピレン系組成物を得るに
は、前記のポリプロピレン系樹脂（Ａ）、ポリアミド
（Ｂ）、不飽和カルボン酸またはその誘導体で変性され
たポリプロピレン系樹脂（Ｃ）及びガラス繊維（Ｄ）を
前記の範囲で公知な種々の方法、例えば、ヘンシェルミ
キサー、Ｖ−ブレンダー、リボンブレンダー、タンブラ
ーブレンダー等で混合後、一軸押出機、二軸押出機、ニ
ーダー、バンバリーミキサー等で溶融混練し、造粒ある
いは粉砕する方法を採用すればよい。To obtain the polypropylene-based composition of the present invention, the polypropylene-based resin (A), polyamide (B), polypropylene-based resin (C) modified with an unsaturated carboxylic acid or a derivative thereof and glass fiber ( D) is mixed by various methods known in the above range, for example, Henschel mixer, V-blender, ribbon blender, tumbler blender, etc., and then melt-kneaded by a single-screw extruder, twin-screw extruder, kneader, Banbury mixer, etc. A method of granulating or crushing may be adopted.
【００１８】本発明のポリプロピレン系組成物に、耐熱
安定剤、耐候安定剤、帯電防止剤、滑剤、スリップ剤、
核剤、難燃剤、油剤、顔料あるいは染料等の無機あるい
は、有機の添加剤を本発明の目的を損なわない範囲で配
合してもよい。The polypropylene composition of the present invention contains a heat resistance stabilizer, a weather resistance stabilizer, an antistatic agent, a lubricant, a slip agent,
Inorganic or organic additives such as nucleating agents, flame retardants, oil agents, pigments or dyes may be added within a range that does not impair the object of the present invention.
【００１９】本発明のポリプロピレン系組成物の特徴
は、特定のポリプロピレン、特定ポリアミド及び特定の
変性ポリプロピレンのブレンド物に適量のガラス繊維を
添加し、しかもポリプロピレン系成分をより多く含有す
る系で熱変形温度が２００℃以上と極めて高い耐熱性を
有した樹脂組成物である点にある。The polypropylene-based composition of the present invention is characterized by the fact that a proper amount of glass fiber is added to a blend of a specific polypropylene, a specific polyamide and a specific modified polypropylene, and the polypropylene-based composition contains a larger amount of polypropylene component and is heat-deformed. The resin composition has a very high heat resistance of 200 ° C. or higher.
【００２０】[0020]
【実施例】次に実施例を挙げて本発明を更に具体的に説
明するが、本発明は、その要旨を越えない限り、これら
の実施例に制約されるものではない。EXAMPLES Next, the present invention will be described more specifically with reference to examples, but the present invention is not limited to these examples as long as the gist thereof is not exceeded.
【００２１】本発明で用いた測定方法は次の通りであ
る。The measuring method used in the present invention is as follows.
【００２２】◎曲げ弾性率 ＪＩＳ Ｋ ７２０３ ◎アイゾッド衝撃強さ ＪＩＳ Ｋ ７１１０ ノッチ
付 ２３℃ ◎熱変形温度 ＪＩＳ Ｋ ７２０７ 荷重４．６ｋ
ｇ。◎ Bending elastic modulus JIS K 7203 ◎ Izod impact strength JIS K 7110 with notch 23 ° C ◎ Heat deformation temperature JIS K 7207 load 4.6k
g.
【００２３】実施例１ メルトフローレート（ＭＦＲ：ＪＩＳ Ｋ ６７５８）
が１．０ｇ／１０ｍｉｎであるポリプロピレン（以下Ｐ
Ｐ−１という）４５重量％、９６％硫酸中１％溶液にお
いて２５℃で測定した相対粘度［ηr］が２．２である
ナイロン６（ユニチカ（株）製：Ａ１０２０ＢＲＬ、以
下Ｎｙ６−１という）５５重量％、無水マレイン酸グラ
フト量が０．５重量％である変性ポリプロピレン（以下
変性ＰＰ−１という）１５重量部とをタンブラーブレン
ダーで１５分混合後、Ｌ／Ｄ＝３６ｍｍ、５７ｍｍφの
東芝機械（株）二軸押出機で樹脂温度２４０℃で溶融さ
せサイドフィード口よりガラス繊維（日本電気硝子製：
ＥＣＳ０３Ｔ−４８８、以下ＧＦという）を２５重量部
添加し混練り、造粒した。このペレットを三菱重工
（株）１５０ＭＳII型射出成形機で樹脂温度２６０℃で
射出成形して試験片を作製した。物性の測定結果を表１
に示す。Example 1 Melt flow rate (MFR: JIS K 6758)
Of 1.0g / 10min (hereinafter P
Nylon 6 (A1020BRL manufactured by Unitika Ltd.) having a relative viscosity [η r ] of 2.2 measured at 25 ° C. in a 1% solution of 45% by weight of P-1) and 96% sulfuric acid, hereinafter referred to as Ny6-1. ) 55% by weight and 15 parts by weight of a modified polypropylene (hereinafter referred to as modified PP-1) having a maleic anhydride graft amount of 0.5% by weight are mixed for 15 minutes with a tumbler blender, and then L / D = 36 mm, Toshiba of 57 mmφ Machined by a twin-screw extruder and melted at a resin temperature of 240 ° C, and glass fiber (made by Nippon Electric Glass:
25 parts by weight of ECS03T-488, hereinafter referred to as GF) was added, kneaded, and granulated. The pellets were injection-molded with a 150MSII type injection molding machine manufactured by Mitsubishi Heavy Industries, Ltd. at a resin temperature of 260 ° C. to prepare test pieces. Table 1 shows the measurement results of physical properties.
Shown in.
【００２４】比較例１ ＰＰ−１とＮｙ６−１の配合比を変える以外は、実施例
１と同様に行った。物性の測定結果を表１に示す。Comparative Example 1 Example 1 was repeated except that the compounding ratio of PP-1 and Ny6-1 was changed. Table 1 shows the measurement results of physical properties.
【００２５】比較例２ 無水マレイン酸グラフト量が５．０重量％である変性ポ
リプロピレン（以下変性ＰＰ−２という）を用いる以外
は、実施例１と同様に行った。物性の測定結果を表１に
示す。Comparative Example 2 The procedure of Example 1 was repeated except that a modified polypropylene having a maleic anhydride graft amount of 5.0% by weight (hereinafter referred to as modified PP-2) was used. Table 1 shows the measurement results of physical properties.
【００２６】比較例３ ＰＰ−１と変性ＰＰ−２の配合比を変える以外は、実施
例１と同様に行った。物性の測定結果を表１に示す。Comparative Example 3 The procedure of Example 1 was repeated except that the compounding ratio of PP-1 and modified PP-2 was changed. Table 1 shows the measurement results of physical properties.
【００２７】実施例２ ＭＦＲが３．０ｇ／１０ｍｉｎであるポリプロピレン
（以下ＰＰ−２という）４５重量％、相対粘度［ηr］
が２．５であるナイロン６（ユニチカ（株）製：Ａ１０
３０ＢＲＬ，以下Ｎｙ６−２という）５５重量％を用い
る以外は、実施例１と同様に行った。物性の測定結果を
表１に示す。Example 2 Polypropylene having an MFR of 3.0 g / 10 min (hereinafter referred to as PP-2) 45% by weight, relative viscosity [η r ]
Nylon 6 with 2.5 (manufactured by Unitika Ltd .: A10)
Example 1 was repeated except that 30 wt% BRL (hereinafter referred to as Ny6-2) was used. Table 1 shows the measurement results of physical properties.
【００２８】比較例４ ＰＰ−２とＮｙ６−２の配合比を変える以外は、実施例
２と同様に行った。物性の測定結果を表１に示す。Comparative Example 4 The procedure of Example 2 was repeated except that the compounding ratio of PP-2 and Ny6-2 was changed. Table 1 shows the measurement results of physical properties.
【００２９】[0029]
【表１】 [Table 1]
【００３０】[0030]
【発明の効果】本発明のポリプロピレン系組成物は、従
来公知のポリプロピレンとポリアミドのガラス繊維強化
ブレンド物に比べ、ポリプロピレン系成分を多く含有し
機械的物性とりわけ耐熱性が極めて優れ、外観も良好で
あるので、自動車部品、電気機器部品、機械部品、工業
用部品、雑貨部品等の剛性等の一般物性とともに耐熱性
を要求される用途において好適である。EFFECTS OF THE INVENTION The polypropylene-based composition of the present invention contains a large amount of polypropylene-based components as compared with conventionally known glass fiber-reinforced blends of polypropylene and polyamide, and has excellent mechanical properties, particularly heat resistance, and a good appearance. Therefore, it is suitable for applications requiring heat resistance as well as general physical properties such as rigidity of automobile parts, electric equipment parts, machine parts, industrial parts, and miscellaneous goods parts.
Claims (1)
Ｓ Ｋ ６７５８）が０．１〜４．０ｇ／１０ｍｉｎで
あるポリプロピレン系樹脂４０〜５５重量％、（Ｂ）相
対粘度（９６％Ｈ2ＳＯ4，２５℃）［ηr］が２．０〜
２．７であるポリアミド６０〜４５重量％、（Ｃ）上記
の（Ａ）＋（Ｂ）＝１００重量部に対して不飽和カルボ
ン酸またはその誘導体でグラフトされ、そのグラフト量
が０．１〜３．０重量％である変性ポリプロピレン系樹
脂１０〜３０重量部及び（Ｄ）上記の（Ａ）＋（Ｂ）＝
１００重量部に対してガラス繊維２０〜１５０重量部を
含んでなるポリプロピレン系組成物。1. (A) Melt flow rate (MFR: JI)
SK 6758) is 0.1-4.0 g / 10 min polypropylene resin 40-55% by weight, (B) Relative viscosity (96% H 2 SO 4 , 25 ° C.) [η r ] is 2.0-.
Polyamide of 2.7 to 60% by weight, 45% of (C) the above (A) + (B) = 100 parts by weight is grafted with an unsaturated carboxylic acid or its derivative, and the grafting amount is 0.1 to 10 to 30 parts by weight of modified polypropylene resin, which is 3.0% by weight, and (D) above (A) + (B) =
A polypropylene-based composition comprising 20 to 150 parts by weight of glass fiber with respect to 100 parts by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33295892A JPH06179784A (en) | 1992-12-14 | 1992-12-14 | Polypropylene composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33295892A JPH06179784A (en) | 1992-12-14 | 1992-12-14 | Polypropylene composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06179784A true JPH06179784A (en) | 1994-06-28 |
Family
ID=18260718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33295892A Pending JPH06179784A (en) | 1992-12-14 | 1992-12-14 | Polypropylene composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06179784A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06179815A (en) * | 1992-12-15 | 1994-06-28 | Tosoh Corp | Polypropylene composition reinforced with inorganic filler |
| KR20010054822A (en) * | 1999-12-08 | 2001-07-02 | 유현식 | Polypropylene resin composition having thermal resistance, high rigidity and low warpage properties |
| KR100620356B1 (en) * | 2000-06-12 | 2006-09-06 | 삼성토탈 주식회사 | A polypropylene resin composition having excellent flowability, stiffness, and size stability |
| KR100792115B1 (en) * | 2001-12-27 | 2008-01-04 | 삼성토탈 주식회사 | Polypropylene Resin Composition With Excellent Strength And Heat Resistance |
| JP2016501959A (en) * | 2012-12-28 | 2016-01-21 | コーロン プラスティックス，インク | Polyamide resin composition |
| WO2019054109A1 (en) * | 2017-09-12 | 2019-03-21 | 宇部興産株式会社 | Polyamide resin composition, and polyamide resin composition for rotation molding and rotation molded article using same |
| EP3578593A1 (en) | 2018-06-05 | 2019-12-11 | Toyota Jidosha Kabushiki Kaisha | Fiber-reinforced resin composition and method of producing the same |
| US11243334B2 (en) | 2017-09-01 | 2022-02-08 | Oji Holdings Corporation | Antireflective structure |
-
1992
- 1992-12-14 JP JP33295892A patent/JPH06179784A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06179815A (en) * | 1992-12-15 | 1994-06-28 | Tosoh Corp | Polypropylene composition reinforced with inorganic filler |
| KR20010054822A (en) * | 1999-12-08 | 2001-07-02 | 유현식 | Polypropylene resin composition having thermal resistance, high rigidity and low warpage properties |
| KR100620356B1 (en) * | 2000-06-12 | 2006-09-06 | 삼성토탈 주식회사 | A polypropylene resin composition having excellent flowability, stiffness, and size stability |
| KR100792115B1 (en) * | 2001-12-27 | 2008-01-04 | 삼성토탈 주식회사 | Polypropylene Resin Composition With Excellent Strength And Heat Resistance |
| JP2016501959A (en) * | 2012-12-28 | 2016-01-21 | コーロン プラスティックス，インク | Polyamide resin composition |
| US11243334B2 (en) | 2017-09-01 | 2022-02-08 | Oji Holdings Corporation | Antireflective structure |
| JP6521201B1 (en) * | 2017-09-12 | 2019-05-29 | 宇部興産株式会社 | Polyamide resin composition for rotational molding and rotational molded article using the same |
| JP2019131827A (en) * | 2017-09-12 | 2019-08-08 | 宇部興産株式会社 | Polyamide resin composition, and polyamide resin composition for rotation molding and rotation molded article using the same |
| CN111094454A (en) * | 2017-09-12 | 2020-05-01 | 宇部兴产株式会社 | Polyamide resin composition, and polyamide resin composition for rotational molding and rotational molded article using same |
| WO2019054109A1 (en) * | 2017-09-12 | 2019-03-21 | 宇部興産株式会社 | Polyamide resin composition, and polyamide resin composition for rotation molding and rotation molded article using same |
| US11692098B2 (en) | 2017-09-12 | 2023-07-04 | Ube Corporation | Polyamide resin composition, polyamide resin composition for rotational molding and rotational molded article using same |
| EP3578593A1 (en) | 2018-06-05 | 2019-12-11 | Toyota Jidosha Kabushiki Kaisha | Fiber-reinforced resin composition and method of producing the same |
| CN110564049A (en) * | 2018-06-05 | 2019-12-13 | 丰田自动车株式会社 | Fiber-reinforced resin composition and method for producing same |
| CN110564049B (en) * | 2018-06-05 | 2022-05-13 | 丰田自动车株式会社 | Fiber-reinforced resin composition and method for producing same |
| US11365295B2 (en) | 2018-06-05 | 2022-06-21 | Toyota Jidosha Kabushiki Kaisha | Fiber-reinforced resin composition and method of producing the same |
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