JPH0356556A - Thermoplastic resin composition - Google Patents
Thermoplastic resin compositionInfo
- Publication number
- JPH0356556A JPH0356556A JP19364189A JP19364189A JPH0356556A JP H0356556 A JPH0356556 A JP H0356556A JP 19364189 A JP19364189 A JP 19364189A JP 19364189 A JP19364189 A JP 19364189A JP H0356556 A JPH0356556 A JP H0356556A
- Authority
- JP
- Japan
- Prior art keywords
- weight
- acrylonitrile
- copolymer
- methylstyrene
- styrene
- 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.)
- Granted
Links
- 239000011342 resin composition Substances 0.000 title claims description 5
- 229920005992 thermoplastic resin Polymers 0.000 title claims description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229920001577 copolymer Polymers 0.000 claims abstract description 41
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims abstract description 21
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229920001225 polyester resin Polymers 0.000 claims abstract description 11
- 239000004645 polyester resin Substances 0.000 claims abstract description 11
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 10
- PEEHTFAAVSWFBL-UHFFFAOYSA-N Maleimide Chemical compound O=C1NC(=O)C=C1 PEEHTFAAVSWFBL-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000178 monomer Substances 0.000 claims abstract description 9
- 230000000379 polymerizing effect Effects 0.000 claims abstract description 4
- 229920001971 elastomer Polymers 0.000 claims description 12
- 229920001890 Novodur Polymers 0.000 claims description 7
- 239000000203 mixture Substances 0.000 abstract description 19
- 239000000126 substance Substances 0.000 abstract description 8
- 229920005989 resin Polymers 0.000 abstract description 5
- 239000011347 resin Substances 0.000 abstract description 5
- 238000002156 mixing Methods 0.000 abstract description 4
- 229920000642 polymer Polymers 0.000 abstract description 4
- VNNBZUFJRRODHO-UHFFFAOYSA-N prop-2-enenitrile;prop-1-en-2-ylbenzene Chemical compound C=CC#N.CC(=C)C1=CC=CC=C1 VNNBZUFJRRODHO-UHFFFAOYSA-N 0.000 abstract 1
- -1 polybutylene terephthalate Polymers 0.000 description 7
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- 229920000578 graft copolymer Polymers 0.000 description 4
- 239000004816 latex Substances 0.000 description 4
- 229920000126 latex Polymers 0.000 description 4
- 229920001707 polybutylene terephthalate Polymers 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- HIDBROSJWZYGSZ-UHFFFAOYSA-N 1-phenylpyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C1=CC=CC=C1 HIDBROSJWZYGSZ-UHFFFAOYSA-N 0.000 description 3
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 3
- 238000012662 bulk polymerization Methods 0.000 description 3
- 238000010556 emulsion polymerization method Methods 0.000 description 3
- 238000007720 emulsion polymerization reaction Methods 0.000 description 3
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000010557 suspension polymerization reaction Methods 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- KJPRLNWUNMBNBZ-UHFFFAOYSA-N 3-phenylprop-2-enal Chemical compound O=CC=CC1=CC=CC=C1 KJPRLNWUNMBNBZ-UHFFFAOYSA-N 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- OOMXGFUBBBFWHR-UHFFFAOYSA-N O.SS Chemical compound O.SS OOMXGFUBBBFWHR-UHFFFAOYSA-N 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 229920003244 diene elastomer Polymers 0.000 description 1
- BTVWZWFKMIUSGS-UHFFFAOYSA-N dimethylethyleneglycol Natural products CC(C)(O)CO BTVWZWFKMIUSGS-UHFFFAOYSA-N 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000010559 graft polymerization reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920002285 poly(styrene-co-acrylonitrile) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 125000003944 tolyl group Chemical group 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、自動車部品、電気部品、事務用機器部品等に
好ましく用いることができる耐衝撃性、耐熱性ならびに
耐薬品性に優れる熱可塑性樹脂組成物に関するものであ
る。[Detailed Description of the Invention] <Industrial Application Field> The present invention provides a thermoplastic resin with excellent impact resistance, heat resistance, and chemical resistance that can be preferably used for automobile parts, electrical parts, office equipment parts, etc. The present invention relates to a composition.
く従来の技術〉
従来、飽和ポリエステル樹脂とマレイミド系共重合体か
らなる組成物は公知である。BACKGROUND ART Compositions comprising a saturated polyester resin and a maleimide copolymer are conventionally known.
例えば特開昭５９−５８５４７号膳は、ポリブチレンテ
レフタレートにおける高温荷重下の熱変形温度の改良な
らびにマレイミド系共重合体における吸水特性の改良を
目的としてなるポリフチレンテレフタレートとマレイミ
ド系共重合体からなる組成物を開示している。For example, JP-A-59-58547 is made of polybutylene terephthalate and a maleimide copolymer, which is intended to improve the heat distortion temperature under high temperature load in polybutylene terephthalate and to improve the water absorption characteristics of a maleimide copolymer. A composition is disclosed.
しかしながら、該組成物は、エンジニアリングプラスチ
ックとしての重大な特性である耐衝撃性に劣るという欠
点を有する。マレイミド系共重合体の一部をゴム質重合
体やグラフト重合体に置換することにより、耐衝撃性の
改善を図ったが、改善効果が充分でなく、むしろ耐熱性
が低下する。However, this composition has the drawback of being inferior in impact resistance, which is an important property for engineering plastics. Although impact resistance was attempted to be improved by substituting a part of the maleimide copolymer with a rubbery polymer or a graft polymer, the improvement effect was not sufficient and the heat resistance actually decreased.
く発明が解決しようとする問題点〉
本発明者らは、上記の問題点を解決すべく鋭意検討した
結果、飽和ポリエステル樹脂とマレイミド系共重合体か
らなる組成物に対し、特定量のα−メチルスチレンを含
有するα−メチルスチレン−アクリロニトリル共重合体
とゴム強化スチレン系樹脂の両成分を配合することによ
り、耐衝撃性、耐熱性ならびに耐薬品性に優れた樹脂組
成物が得られることを見い出し、本発すなわち、本発明
は、
（３） 飽和ポリエステル樹脂５〜５０重量％、■ マ
レイミド系単量体（ｂ−１）、アクリロニトリル（ｂ−
２）、スチレンおよび／またはα−メチルスチレン（ｂ
−ａ＞からなるマレイミド系共重合体５〜５０重量％、
（Ｃ） α−メチルスチレン含有量が６０重量％以上テ
アルα−メチルスチレン−アクリロニトリル共重合体ｌ
Ｏ〜４０重量％および０ ゴム質重合体の存在下に、ア
クリロニトリルおよびスチレンを重合してなるゴム強化
スチレン系樹脂１０〜５０重量％
からなることを特徴とする耐衝撃性、耐熱性ならびに耐
薬品性に優れた熱可塑性樹脂組成物をろ
提供す■ものである。Problems to be Solved by the Invention> As a result of intensive studies to solve the above problems, the present inventors found that a specific amount of α- By blending both the α-methylstyrene-acrylonitrile copolymer containing methylstyrene and the rubber-reinforced styrenic resin, a resin composition with excellent impact resistance, heat resistance, and chemical resistance can be obtained. Heading, the present invention, that is, the present invention is as follows: (3) 5 to 50% by weight of saturated polyester resin, ■ Maleimide monomer (b-1), acrylonitrile (b-
2), styrene and/or α-methylstyrene (b
5 to 50% by weight of a maleimide copolymer consisting of -a>;
Impact resistance, heat resistance, and chemical resistance characterized by consisting of 0 to 40% by weight and 10 to 50% by weight of a rubber-reinforced styrenic resin obtained by polymerizing acrylonitrile and styrene in the presence of a rubbery polymer. (1) It provides a thermoplastic resin composition with excellent properties.
以下、本発明につき詳細に説明する。Hereinafter, the present invention will be explained in detail.
本発明で用いられる飽和ポリエステル樹脂（３）として
はポリエチレンテレフタレート、ポリブチレンテレフタ
レート、ポリエステルのハードセグメントとポリエーテ
ルのソフトセグメントを有するポリエステルーエーテル
ブロックボリマー等があげられ、１．４ブタンジオール
とテレフタル酸あるいはテレフタル酸ジメチルとエチレ
ングリコール等から合成される。なお、これらは単独ま
たは二種以上混合して用いることができる。Saturated polyester resins (3) used in the present invention include polyethylene terephthalate, polybutylene terephthalate, polyester-ether block polymers having polyester hard segments and polyether soft segments, and 1.4-butanediol and terephthalate. It is synthesized from acid or dimethyl terephthalate and ethylene glycol. Note that these can be used alone or in a mixture of two or more.
飽和ポリエステル樹脂（自）の使用量は５〜５０重量％
である。５重量％未満では最終組成物の耐薬品性に劣り
、また５０重量％を超すと高荷重下の熱変形温度、すな
わち耐熱性に劣り好ましくない。好ましくは８〜４５重
量形である。The amount of saturated polyester resin (self) used is 5 to 50% by weight.
It is. If it is less than 5% by weight, the chemical resistance of the final composition will be poor, and if it exceeds 50% by weight, the heat distortion temperature under high load, that is, the heat resistance will be poor, which is not preferable. Preferably it is in the 8 to 45 weight form.
本発明で用いられるマレイミド系共重合体のは、マレイ
ミド系単量体（ｂ−１）、アクリロニトリル（ｂ−２）
、スチレンおよび／またはα−メチルスチレン（ｂ−８
）からなる。The maleimide copolymer used in the present invention includes a maleimide monomer (b-1) and acrylonitrile (b-2).
, styrene and/or α-methylstyrene (b-8
).
マレイミド系共重合体■の組成については特に制限はな
いが、マレイミド系単量体（ｂ−１）５〜６５重量％、
アクリロニトリル（ｂ−２）５〜４０重！形、スチレン
および／またはａ −メチルスチレン（ｂ−３）５〜６
５重量形であることが好ましく、さらに好ましくは（ｂ
−１）５〜６０重量％、（ｂ−２）１０〜３５重量％お
よび（ｂ−３）４０〜８０重量％である。There is no particular restriction on the composition of the maleimide copolymer (2), but it includes 5 to 65% by weight of the maleimide monomer (b-1),
Acrylonitrile (b-2) 5 to 40 weights! form, styrene and/or a-methylstyrene (b-3) 5-6
Preferably, it is in the 5-weight form, more preferably (b
-1) 5 to 60% by weight, (b-2) 10 to 35% by weight, and (b-3) 40 to 80% by weight.
また、マレイミド系共重合体（Ｂ）の極限粘度（ジメチ
ルホルムアミド溶液、３０′ｃ）は０． ４〜ｌ．Ｏで
あることが好ましい。The intrinsic viscosity of the maleimide copolymer (B) (dimethylformamide solution, 30'c) is 0. 4~l. Preferably it is O.
マレイミド系単量体（ｂ−１）としては、マレイミドは
もちろんのことフエニル、メチルフエニル、エチルフェ
ニル、クロルフェニルナトのアリール基を有するＮ−７
リ−ルマレイミド、メチル、エチルなどのアルキル基を
有するＮ−アルキルマレイミドなどが挙げられ、特にＮ
−フエニルマレイミドが好ましい。As the maleimide monomer (b-1), N-7 having an aryl group such as phenyl, methylphenyl, ethylphenyl, or chlorphenylnato as well as maleimide can be used.
Examples include lyalmaleimide, N-alkylmaleimide having an alkyl group such as methyl and ethyl, and especially N-alkylmaleimide.
-Phenylmaleimide is preferred.
マレイミド系共重合体（Ｂ）の使用量は５〜５０重量％
である。５重量％未満では最終組成物の耐熱性と耐薬品
性に劣り、また、５０重量％を超すと耐衝撃性に劣り好
ましくない。好ましくは２０〜４５重量％である。The amount of maleimide copolymer (B) used is 5 to 50% by weight.
It is. If it is less than 5% by weight, the final composition will have poor heat resistance and chemical resistance, and if it exceeds 50% by weight, it will have poor impact resistance, which is not preferred. Preferably it is 20 to 45% by weight.
マレイミド系共重合体（Ｂ）の製造法としては、乳化重
合法、懸濁重合法、溶液重合法、塊状重合法などが挙げ
られる。Examples of methods for producing the maleimide copolymer (B) include emulsion polymerization, suspension polymerization, solution polymerization, and bulk polymerization.
本発明で用いられるα−メチルスチレン−アクリロニト
リル共重合体（Ｂ）は、α−メチルスチレン含有量が６
０重量％以上である。α−メチルスチレン含有量が６０
重量％未満では最終組成物の耐熱性、耐衝撃性に劣り好
ましくない。The α-methylstyrene-acrylonitrile copolymer (B) used in the present invention has an α-methylstyrene content of 6
It is 0% by weight or more. α-methylstyrene content is 60
If the amount is less than % by weight, the final composition will have poor heat resistance and impact resistance, which is not preferable.
好ましくはα−メ・チルスチレン６５〜８５重量％とア
クリロニトリル３５〜１５重量％からなる共重合体であ
る。Preferably, it is a copolymer consisting of 65 to 85% by weight of α-methyl styrene and 35 to 15% by weight of acrylonitrile.
また、共重合体（Ｃ）の極限粘度（ジメチルホルムアミ
ド溶液、３０゜Ｃ）はＯ． ａ〜１．３であることが好
ましい。Further, the intrinsic viscosity of the copolymer (C) (dimethylformamide solution, 30°C) is O. It is preferable that it is a~1.3.
共重合体（Ｃ）の使用量は、ｌＯ〜４０重量％である。The amount of copolymer (C) used is 10 to 40% by weight.
１０重量形未満では最終組成物の耐熱性と耐衝撃性に劣
り、また４０重量％を超えると加工性に劣り好ましくな
い。好ましくは１５〜３５重量％である。If the amount is less than 10% by weight, the final composition will have poor heat resistance and impact resistance, and if it exceeds 40% by weight, the processability will be poor, which is not preferred. Preferably it is 15 to 35% by weight.
共重合体（Ｃ）の製造法としては、乳化重合法、懸濁重
合法、溶液重合法、塊状重合法などが挙げられる。Examples of methods for producing the copolymer (C) include emulsion polymerization, suspension polymerization, solution polymerization, and bulk polymerization.
本発明で用いられるゴム強化スチレン系樹脂（Ｄ）は、
ゴム質重合体の存在下で、スチレンおよびアクリロニト
リルを重合して得られるものである。The rubber-reinforced styrenic resin (D) used in the present invention is
It is obtained by polymerizing styrene and acrylonitrile in the presence of a rubbery polymer.
ゴム質重合体とスチレンおよびアクリロニトリルからな
る単量体混合物との組成比には特に制限はないが、耐衝
撃性、加工性の面より、ゴム質重合体１０〜８０重量％
、単量体混合物９０〜２０重量形であることが好ましい
。また、該単量体混合物の組成比にも特に制限はないが
、スチレン４０〜８０重量％、アクリロニトリル６０〜
２０重量％であることが好ましい。There is no particular restriction on the composition ratio of the rubbery polymer and the monomer mixture consisting of styrene and acrylonitrile, but from the viewpoint of impact resistance and processability, the rubbery polymer should be 10 to 80% by weight.
, the monomer mixture is preferably in the form of 90-20% by weight. The composition ratio of the monomer mixture is also not particularly limited, but styrene is 40-80% by weight, acrylonitrile is 60-80% by weight.
Preferably it is 20% by weight.
なお、重合においては、ゴム質重合体にスチレンおよび
アクリロニトリルがグラフトしたグラフト重合体以外に
、ゴム質重合体にグラフトしないスチレンとアクリロニ
トリルからなる未グラスト重合体が副生ずるが、本発明
におけるゴム強化スチレン系樹脂（Ａ）においては、該
未グラフト重合体を分離●除去してもよく、また含有し
ていてもよい。In addition, in the polymerization, in addition to the graft polymer in which styrene and acrylonitrile are grafted onto a rubbery polymer, an ungrafted polymer consisting of styrene and acrylonitrile that is not grafted onto the rubbery polymer is produced as a by-product. In the system resin (A), the ungrafted polymer may be separated and removed, or may be contained.
ゴム質重合体としては、ポリブタジエン、スチレンーブ
タジエン共重合体、アクリロニトリルーブタジエン共重
合体等のジエン系ゴム、エチレンープロピレン共重合体
、エチレンープロピレンー非共役ジエン共重合体等のエ
チレンープロピレン系ゴム、アクリル系ゴムなどが挙げ
られる。Examples of rubbery polymers include diene rubbers such as polybutadiene, styrene-butadiene copolymer, acrylonitrile-butadiene copolymer, and ethylene-propylene such as ethylene-propylene copolymer and ethylene-propylene-nonconjugated diene copolymer. rubber, acrylic rubber, etc.
ゴム強化スチレン系樹脂（Ｄ）の使用量は、１０〜５０
重量形である。１０重量％未満では最終組成物の耐衝撃
性に劣り、また、５０重量形を超えると耐熱性と加工性
に劣り好ましくない。The amount of rubber reinforced styrene resin (D) used is 10 to 50
It is a heavy type. If it is less than 10% by weight, the final composition will have poor impact resistance, and if it exceeds 50% by weight, it will be unfavorable in terms of heat resistance and processability.
好ましくは１５〜４０重量％である。Preferably it is 15 to 40% by weight.
ゴム強化スチレン系樹脂（Ｄ）の製造法としては、乳化
重合法、懸濁重合法、溶液重合法、塊状重合法などが挙
げられる。Examples of methods for producing the rubber-reinforced styrenic resin (D) include emulsion polymerization, suspension polymerization, solution polymerization, and bulk polymerization.
本発明において、α−メチルスチレン−アクリロニトリ
ル共重合体（Ｃ）およびゴム強化スチレン系樹脂（Ｄ）
を特定量にて共存させることにより、飽和ポリエステル
樹脂（Ａ）およびマレイミド系共重合体（Ｂ）からなる
組成物の耐衝撃性を十分に改良することができる。In the present invention, α-methylstyrene-acrylonitrile copolymer (C) and rubber-reinforced styrenic resin (D)
By coexisting in a specific amount, the impact resistance of the composition consisting of the saturated polyester resin (A) and the maleimide copolymer (B) can be sufficiently improved.
本発明の組成物は、上述の飽和ポリエステル樹脂（Ａ）
、マレイミド系共重合体（Ｂ）、α−メチルスチレン−
アクリロニトリル共重合体（Ｃ）およびゴム強化スチレ
ン系樹脂（Ｄ）を一括または任意の順序で混合すること
により得られる。The composition of the present invention comprises the above-mentioned saturated polyester resin (A)
, maleimide copolymer (B), α-methylstyrene-
It can be obtained by mixing the acrylonitrile copolymer (C) and the rubber-reinforced styrenic resin (D) all at once or in any order.
また、混合装置としては、バンパリーミキサー一軸又は
二軸押出機等公知のものが挙げられる。In addition, examples of the mixing device include known devices such as a Banparee mixer single-screw or twin-screw extruder.
なお、混合に際して公知の安定剤、帯電防止剤、滑剤、
染顔料などの添加剤を適宜配合してもよい。In addition, known stabilizers, antistatic agents, lubricants,
Additives such as dyes and pigments may be added as appropriate.
以下に実施例をあげて本発明を説明するが、本発明はこ
れによって何ら制限されるものではない。The present invention will be explained below with reference to Examples, but the present invention is not limited thereto.
一飽和ポリエステル樹脂（Ａ）一
（Ａ−１）；ボリブチレンテレフタレート（Ａ−２）；
ポリエチレンテレフタレートーマレイミド系共重合体（
Ｂ）一
（Ｂ−１）；Ｎ−フェニルマレイミド８２ＭＩｋ部、ス
チレン４８重量部およびア
クリロニトリル２０重量部を公知
の乳化重合法に基づき共重合を行
った。得られた共重合体ラテック
スを塩折●水洗●乾燥し、共重合
体（Ｂ−１）を得た。（極限粘度
二 〇．６５）
（Ｂ−２）；Ｎ−フェニルマレイミド２３重ｊ１部、α
−メチルスチレン５７重ｔ
部およびアクリロニトリル２０重
量部を用いた以外は、共重合体
（Ｂ−１）と同様の方法にて共重
合体（Ｂ−２）を得た。（極限粘
度：０．４８）
（Ｂ−３）；Ｎ−フェニルマレイミド１５重量部、α−
メチルスチレン４０重量
部、スチレン２５重量部およびア
クリロニトリル２０重量部を用い
た以外は共重合体（Ｂ−１）と同
様の方法にて共重合体（Ｂ−８）
を得た。（極限粘度：０．５２）
一α−メチ薯スチレンーアクリロニトリル共重合体（Ｃ
）一
（Ｃ−１）；α−メチルスチレン７５重ｔ部およびアク
リロニトリル２５重量部
を公知の乳化重合法に基づき共重
合を行った。得られた共重合体ラ
テックスを塩折●水洗●乾燥し、
共重合体（極限粘度：０．５０）を
得た。Monosaturated polyester resin (A) (A-1); polybutylene terephthalate (A-2);
Polyethylene terephthalate-maleimide copolymer (
B) 1 (B-1): 82 MIk parts of N-phenylmaleimide, 48 parts by weight of styrene and 20 parts by weight of acrylonitrile were copolymerized based on a known emulsion polymerization method. The obtained copolymer latex was folded with salt, washed with water, and dried to obtain a copolymer (B-1). (Intrinsic viscosity 20.65) (B-2); 1 part of N-phenylmaleimide 23 parts, α
- Copolymer (B-2) was obtained in the same manner as copolymer (B-1) except that 57 parts by weight of methylstyrene and 20 parts by weight of acrylonitrile were used. (Intrinsic viscosity: 0.48) (B-3); 15 parts by weight of N-phenylmaleimide, α-
A copolymer (B-8) was obtained in the same manner as copolymer (B-1) except that 40 parts by weight of methylstyrene, 25 parts by weight of styrene and 20 parts by weight of acrylonitrile were used. (Intrinsic viscosity: 0.52) Mono-α-methystyrene-acrylonitrile copolymer (C
) (C-1): 75 parts by weight of α-methylstyrene and 25 parts by weight of acrylonitrile were copolymerized based on a known emulsion polymerization method. The obtained copolymer latex was folded with salt, washed with water, and dried to obtain a copolymer (intrinsic viscosity: 0.50).
（Ｃ−２）；α−メチルスチレン５ ０重量部、スチレ
ン２５重量部およびアクリ
ロニトリル２５重量部を用いた以
外は共重合体（Ｃ−１）と同様の
方法にて共重合体（Ｃ−２）を得
た。（極限粘度：Ｏ．ＳＳ＞
−ゴム強化スチレン系樹脂（Ｄ）一
（Ｄ−１）；ポリブタジエンラテックス（平均粒子径０
．２９μｍ１ゲル６５％）
５０重量部（固形分）、スチレン
３５重量部およびアクリロニトリ
ル１５重量部を公知の乳化重合法
に基づきグラフト重合を行った。(C-2); Copolymer (C-2) was prepared in the same manner as copolymer (C-1) except that 50 parts by weight of α-methylstyrene, 25 parts by weight of styrene and 25 parts by weight of acrylonitrile were used. ) was obtained. (Intrinsic viscosity: O.SS> -Rubber reinforced styrene resin (D) - (D-1); Polybutadiene latex (average particle size 0
．． Graft polymerization was carried out using 50 parts by weight (solid content) of 29 μm 1 gel (65%), 35 parts by weight of styrene, and 15 parts by weight of acrylonitrile based on a known emulsion polymerization method.
得られたグラフト重合体ラテック
スを塩折●水洗●乾燥し、グラフ
ト重合体（Ｄ−１）を得た。（グ
ラフト率３５％、画ＷＷ■口画未
グラフト部のスチレンーアクリロ
ニトリル共重合体の極限粘度０．４６）実施例
上記の飽和ポリエステル樹脂（Ａ）、マレイミド系共重
合体（Ｂ）、ａ−メチルスチレン−アクリロニトリル共
重合体（Ｃ’）およびゴム強化スチレン系樹脂（Ｄ）を
表−１に示す割合にて配合し、各種試験に供した。The obtained graft polymer latex was folded with salt, washed with water, and dried to obtain a graft polymer (D-1). (Graft ratio 35%, Intrinsic viscosity of the styrene-acrylonitrile copolymer in the ungrafted part of the image WW 0.46) Examples The above saturated polyester resin (A), maleimide copolymer (B), a- The methylstyrene-acrylonitrile copolymer (C') and the rubber-reinforced styrene resin (D) were blended in the proportions shown in Table 1 and subjected to various tests.
なお、各種試験方法は以下のとおりである。The various test methods are as follows.
耐熱性；加熱変形温度Ｃ１８．６ｋＱ／ふ１／４インチ
、アニールなし）
耐衝撃性；ノッチ付アイゾット（ｌ／８インチ）耐薬品
性；内径３． ２ ｗａｓ １外径９． Ｏ ｒｐｍ
，高さ２５頷のボス部を中央に有する成形品
（直径１３０ｍ，厚さ３簡の円板状）
を射出成形機により成形する。この
成形品のボス部にＪＩＳ２種Ｍ４Ｘ
１２ｍのセルフタッピングネジと１
鰭厚のワソシャーを入れ、トルク１０
ｋｑ●αでねじ込んだ後、この成形品
をジオクチルフタレートの中に完全
に浸漬させ、常温で１時間放置する。Heat resistance: Heating deformation temperature C18.6kQ/F 1/4 inch, no annealing) Impact resistance: Notched Izod (l/8 inch) Chemical resistance: Inner diameter 3. 2 was 1 outer diameter 9. O rpm
A molded product (disc-shaped, 130 m in diameter and 3 strips thick) with a boss part of 25 nods in height in the center is molded using an injection molding machine. Insert a JIS class 2 M4X 12m self-tapping screw and a 1-fin thick washer into the boss of this molded product, screw it in with a torque of 10 kqα, then completely immerse this molded product in dioctyl phthalate and let it stand at room temperature. Leave for 1 hour.
その後成形品を取り出し、クラック
の有無を判定する。（ｏ：患，ｘ：Ａ）結果を表−１に
示す。After that, the molded product is taken out and the presence or absence of cracks is determined. (o: affected, x: A) The results are shown in Table-1.
く発明の効果〉
以上のとおり、本発明の熱可塑性樹脂組成物は、耐衝撃
性、耐熱性および耐薬品性に優れるものであり、自動車
部品、電気部品、事務用機品部品等に有用である。Effects of the Invention As described above, the thermoplastic resin composition of the present invention has excellent impact resistance, heat resistance, and chemical resistance, and is useful for automobile parts, electrical parts, office equipment parts, etc. be.
Claims (1)
レイミド系単量体（ｂ−１）、アクリロニトリル（ｂ−
２）、スチレンおよび／またはα−メチルスチレン（ｂ
−３）からなるマレイミド系共重合体５〜５０重量％、 （Ｃ）α−メチルスチレン含有量が６０重量％以上であ
るα−メチルスチレン−アクリロニトリル共重合体１０
〜４０重量％および （Ｄ）ゴム質重合体の存在下に、アクリロニトリルおよ
びスチレンを重合してなるゴム強化スチレン系樹脂１０
〜５０重量％ からなることを特徴とする熱可塑性樹脂組成物。[Scope of Claims] (A) 5 to 50% by weight of saturated polyester resin, (B) maleimide monomer (b-1), acrylonitrile (b-
2), styrene and/or α-methylstyrene (b
-3) 5 to 50% by weight of a maleimide copolymer, (C) α-methylstyrene-acrylonitrile copolymer 10 having an α-methylstyrene content of 60% by weight or more
Rubber-reinforced styrenic resin 10 obtained by polymerizing acrylonitrile and styrene in the presence of ~40% by weight and (D) rubbery polymer
50% by weight of a thermoplastic resin composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1193641A JPH0715038B2 (en) | 1989-07-26 | 1989-07-26 | Thermoplastic resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1193641A JPH0715038B2 (en) | 1989-07-26 | 1989-07-26 | Thermoplastic resin composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0356556A true JPH0356556A (en) | 1991-03-12 |
| JPH0715038B2 JPH0715038B2 (en) | 1995-02-22 |
Family
ID=16311320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1193641A Expired - Lifetime JPH0715038B2 (en) | 1989-07-26 | 1989-07-26 | Thermoplastic resin composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0715038B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100416812B1 (en) * | 2001-10-16 | 2004-02-05 | 주식회사 엘지화학 | Process for preparing heat resistant copolymer |
| US20150368460A1 (en) * | 2013-02-06 | 2015-12-24 | Sk Chemicals Co., Ltd. | Polymer resin composition having excellent impact resistance or heat resistance |
| JP2024501596A (en) * | 2021-11-26 | 2024-01-15 | エルジー・ケム・リミテッド | Thermoplastic resin composition, method for producing the same, and molded products containing the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5578043A (en) * | 1978-12-06 | 1980-06-12 | Sumitomo Naugatuck Co Ltd | Thermoplastic resin composition |
| JPS5953547A (en) * | 1982-09-21 | 1984-03-28 | Toray Ind Inc | Thermoplastic resin composition |
| JPS6031552A (en) * | 1983-07-29 | 1985-02-18 | Toray Ind Inc | Thermoplastic resin composition |
| JPS60208351A (en) * | 1984-03-31 | 1985-10-19 | Denki Kagaku Kogyo Kk | Hot water-resistant resin composition |
| JPS60217249A (en) * | 1984-04-11 | 1985-10-30 | Sumitomo Naugatuck Co Ltd | Heat-resistant resin composition |
| JPS6222844A (en) * | 1985-07-23 | 1987-01-31 | Denki Kagaku Kogyo Kk | Resin composition having excellent thermal stability in retention |
| JPS62209157A (en) * | 1986-03-10 | 1987-09-14 | Japan Synthetic Rubber Co Ltd | Thermoplastic resin composition |
| JPS62236844A (en) * | 1986-04-07 | 1987-10-16 | Toray Ind Inc | Thermoplastic resin composition |
| JPS63122746A (en) * | 1986-11-12 | 1988-05-26 | Sumitomo Naugatuck Co Ltd | Heat-resistant copolymer composition |
| JPH01163249A (en) * | 1987-12-18 | 1989-06-27 | Japan Synthetic Rubber Co Ltd | Thermoplastic resin composition |
-
1989
- 1989-07-26 JP JP1193641A patent/JPH0715038B2/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5578043A (en) * | 1978-12-06 | 1980-06-12 | Sumitomo Naugatuck Co Ltd | Thermoplastic resin composition |
| JPS5953547A (en) * | 1982-09-21 | 1984-03-28 | Toray Ind Inc | Thermoplastic resin composition |
| JPS6031552A (en) * | 1983-07-29 | 1985-02-18 | Toray Ind Inc | Thermoplastic resin composition |
| JPS60208351A (en) * | 1984-03-31 | 1985-10-19 | Denki Kagaku Kogyo Kk | Hot water-resistant resin composition |
| JPS60217249A (en) * | 1984-04-11 | 1985-10-30 | Sumitomo Naugatuck Co Ltd | Heat-resistant resin composition |
| JPS6222844A (en) * | 1985-07-23 | 1987-01-31 | Denki Kagaku Kogyo Kk | Resin composition having excellent thermal stability in retention |
| JPS62209157A (en) * | 1986-03-10 | 1987-09-14 | Japan Synthetic Rubber Co Ltd | Thermoplastic resin composition |
| JPS62236844A (en) * | 1986-04-07 | 1987-10-16 | Toray Ind Inc | Thermoplastic resin composition |
| JPS63122746A (en) * | 1986-11-12 | 1988-05-26 | Sumitomo Naugatuck Co Ltd | Heat-resistant copolymer composition |
| JPH01163249A (en) * | 1987-12-18 | 1989-06-27 | Japan Synthetic Rubber Co Ltd | Thermoplastic resin composition |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100416812B1 (en) * | 2001-10-16 | 2004-02-05 | 주식회사 엘지화학 | Process for preparing heat resistant copolymer |
| US20150368460A1 (en) * | 2013-02-06 | 2015-12-24 | Sk Chemicals Co., Ltd. | Polymer resin composition having excellent impact resistance or heat resistance |
| US9777151B2 (en) * | 2013-02-06 | 2017-10-03 | Sk Chemical Co., Ltd | Polymer resin composition having excellent impact resistance or heat resistance |
| JP2024501596A (en) * | 2021-11-26 | 2024-01-15 | エルジー・ケム・リミテッド | Thermoplastic resin composition, method for producing the same, and molded products containing the same |
| US20240218174A1 (en) * | 2021-11-26 | 2024-07-04 | Lg Chem, Ltd. | Thermoplastic resin composition, method of preparing the same, and molded article including the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0715038B2 (en) | 1995-02-22 |
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