JPH0768452B2 - Blow molding resin composition - Google Patents
Blow molding resin compositionInfo
- Publication number
- JPH0768452B2 JPH0768452B2 JP2100420A JP10042090A JPH0768452B2 JP H0768452 B2 JPH0768452 B2 JP H0768452B2 JP 2100420 A JP2100420 A JP 2100420A JP 10042090 A JP10042090 A JP 10042090A JP H0768452 B2 JPH0768452 B2 JP H0768452B2
- Authority
- JP
- Japan
- Prior art keywords
- resin composition
- weight
- resin
- styrene
- molecular weight
- 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.)
- Expired - Fee Related
Links
- 239000011342 resin composition Substances 0.000 title claims description 24
- 238000000071 blow moulding Methods 0.000 title claims description 10
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 38
- 229920005989 resin Polymers 0.000 claims description 28
- 239000011347 resin Substances 0.000 claims description 28
- 125000003118 aryl group Chemical group 0.000 claims description 15
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 14
- 229920000570 polyether Polymers 0.000 claims description 14
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 24
- 239000000155 melt Substances 0.000 description 7
- 229920001577 copolymer Polymers 0.000 description 6
- -1 styrene compound Chemical class 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 229920001890 Novodur Polymers 0.000 description 4
- 239000004014 plasticizer Substances 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000003063 flame retardant Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000012763 reinforcing filler Substances 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 150000003440 styrenes Chemical class 0.000 description 2
- SBYMUDUGTIKLCR-UHFFFAOYSA-N 2-chloroethenylbenzene Chemical compound ClC=CC1=CC=CC=C1 SBYMUDUGTIKLCR-UHFFFAOYSA-N 0.000 description 1
- BTOVVHWKPVSLBI-UHFFFAOYSA-N 2-methylprop-1-enylbenzene Chemical compound CC(C)=CC1=CC=CC=C1 BTOVVHWKPVSLBI-UHFFFAOYSA-N 0.000 description 1
- PYSRRFNXTXNWCD-UHFFFAOYSA-N 3-(2-phenylethenyl)furan-2,5-dione Chemical compound O=C1OC(=O)C(C=CC=2C=CC=CC=2)=C1 PYSRRFNXTXNWCD-UHFFFAOYSA-N 0.000 description 1
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229920000147 Styrene maleic anhydride Polymers 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical class C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 0.000 description 1
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005227 gel permeation chromatography Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 150000002366 halogen compounds Chemical class 0.000 description 1
- KETWBQOXTBGBBN-UHFFFAOYSA-N hex-1-enylbenzene Chemical compound CCCCC=CC1=CC=CC=C1 KETWBQOXTBGBBN-UHFFFAOYSA-N 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 229920001596 poly (chlorostyrenes) Polymers 0.000 description 1
- 229920002285 poly(styrene-co-acrylonitrile) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Landscapes
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は耐熱性、耐衝撃性に優れ、かつブロー成形性の
良好な芳香族ポリエーテル系樹脂とスチレン系樹脂と熱
可塑性エラストマーとからなる樹脂組成物に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention comprises an aromatic polyether resin, a styrene resin, and a thermoplastic elastomer which are excellent in heat resistance and impact resistance and have good blow moldability. It relates to a resin composition.
［従来の技術］ 芳香族ポリエーテル系樹脂は、機械的性質、電気的特
性、耐熱性が優れており、しかも寸法安定性が良いなど
の性質を備えているために広範囲の用途に適した樹脂と
して注目されている。しかしながら、成形加工性と耐衝
撃性に劣ることが最大の欠点である。これらの欠点を補
う方法として、特公昭43−17812号、特開昭49−98858号
などにおいて芳香族ポリエーテル系樹脂とスチレン系樹
脂とからなる樹脂組成物が提案されており、工業的にも
広く用いられているが、加工方法としては主に射出成形
法である。しかし、最近では自動車やOA機器の中空体部
品の加工にブロー成形法が用いられはじめてきたが、従
来からある射出成形用に開発された樹脂組成物からは、
良好な中空体部品を得ることは非常に困難である。すな
わち、射出成形に用いるために流動性を向上させた樹脂
組成物になっているが、ブロー成形に対しては溶融粘度
が低すぎて成形時にパリソンが自重で垂れ下るドローダ
ウンが激しく成形できなくなる。[Prior Art] Aromatic polyether resins are suitable for a wide range of applications because they have excellent mechanical properties, electrical properties, heat resistance, and good dimensional stability. Is being watched as. However, inferior molding processability and impact resistance are the biggest drawbacks. As a method for compensating for these drawbacks, a resin composition comprising an aromatic polyether resin and a styrene resin has been proposed in Japanese Patent Publication No. 43-17812, Japanese Patent Application Laid-Open No. 49-98858, etc. Although widely used, the injection molding method is mainly used as the processing method. However, recently, the blow molding method has begun to be used for the processing of hollow body parts of automobiles and OA equipment, but from the conventional resin composition developed for injection molding,
Obtaining good hollow body parts is very difficult. That is, although it is a resin composition with improved fluidity for use in injection molding, the melt viscosity is too low for blow molding and the drawdown in which the parison hangs under its own weight during molding cannot be severely molded. .
［発明が解決しようとする課題］ 本発明は、こうした実状のもとに成形機の中では溶融粘
度が低くパリソンとして大気中に押し出された直後から
は溶融粘度が高くなり、ドローダウンを起さず、かつブ
ロー圧に十分耐えられる溶融張力のある改良されたブロ
ー成形用芳香族ポリエーテル系樹脂組成物を提供するこ
とを目的とするものである。[Problems to be Solved by the Invention] Under the circumstances, the present invention has a low melt viscosity in a molding machine and has a high melt viscosity immediately after being extruded into the atmosphere as a parison, which causes drawdown. It is an object of the present invention to provide an improved aromatic polyether-based resin composition for blow molding, which has a melt tension that can withstand blow pressure sufficiently.
［課題を解決するための手段］ 本発明者らは、ブロー成形でパリソンのドローダウンの
起こらない成形性の良好な芳香族ポリエーテル系樹脂組
成物を得るために鋭意検討した結果、特定量の高分子量
部分を含むスチレン系樹脂と熱可塑性エラストマーを配
合することによりドローダウンは起らず、ブロー圧に十
分耐えられる溶融張力が得られるという従来全く知られ
るところがなかった知見を得て本発明に至った。[Means for Solving the Problem] The inventors of the present invention have conducted extensive studies to obtain an aromatic polyether resin composition having good moldability in which drawdown of a parison does not occur in blow molding, and as a result, By blending a styrenic resin containing a high molecular weight portion and a thermoplastic elastomer, drawdown does not occur, and a melt tension that sufficiently withstands a blow pressure can be obtained. I arrived.
すなわち、本発明は、芳香族ポリエーテル系樹脂15〜85
重量部とスチレン系樹脂85〜15重量部と熱可塑性エラス
トマー１〜10重量部とからなる樹脂組成物であって、該
スチレン系樹脂は、分子量15〜25万のものと、分子量が
25万を越えるものとから本質的になり、かつ分子量15〜
25万のものが70重量％以下であり、分子量25万を越える
ものが30重量％より多く含有されているブロー成形用樹
脂組成物である。That is, the present invention, aromatic polyether resin 15-85
A resin composition comprising 1 part by weight and 85 to 15 parts by weight of a styrene resin and 1 to 10 parts by weight of a thermoplastic elastomer, wherein the styrene resin has a molecular weight of 150,000 to 250,000 and a molecular weight of
It consists essentially of over 250,000 and has a molecular weight of 15-
It is a resin composition for blow molding in which 250,000 has a content of 70% by weight or less and more than 250,000 has a molecular weight of more than 30% by weight.
本発明のブロー成形用樹脂組成物において、スチレン系
樹脂は、ゲル浸透クロマトグラフィーで測定した重量平
均分子量（以下分子量という）が15〜25万のものと、25
万を越えるものを含有しているが、分子量15〜25万のも
のは、ブロー成形の際に成形機内での溶融粘度を低くし
て樹脂組成物に流動性を与え、押出特性を良くする働き
を有し、又、分子量25万を越えるものは樹脂組成物の溶
融張力を高め、パリソンがドローダウンしないようにす
る働きをする。In the blow molding resin composition of the present invention, the styrenic resin has a weight average molecular weight (hereinafter referred to as molecular weight) measured by gel permeation chromatography of 150,000 to 250,000,
Although it contains more than 10,000, those having a molecular weight of 150,000 to 250,000 function to lower the melt viscosity in the molding machine during blow molding to give fluidity to the resin composition and improve extrusion characteristics. Further, those having a molecular weight of more than 250,000 serve to increase the melt tension of the resin composition and prevent the parison from being drawn down.
本発明にいう芳香族ポリエーテル系樹脂とは次の一般式 （式中R1、R2は同一の又は異なるアルキル基、アリール
基、ハロゲン、水素などの残基を示し、ｎは重合度をあ
らわす。）で示される重合体をあらわし、その具体例と
しては、ポリ（2,6−ジメチルフェニレン−1,4エーテ
ル）、ポリ（2,6−ジエチルフェニレン−1,4エーテ
ル）、ポリ（2,6−ジクロルフェニレン−1,4エーテ
ル）、ポリ（2,6−ジブロムフェニレン−1,4−エーテ
ル）、ポリ（２−メチル−６−エチルフェニレン−1,4
−エーテル）、ポリ（２−クロル−６−メチルフェニレ
ン−1,4−エーテル）、ポリ（２−メチル−６−イソプ
ロピルフェニレン−1,4−エーテル）、ポリ（2,6−ジ−
ｎ−プロピルフェニレン−1,4−エーテル）、ポリ（２
−ブロム−６−メチルフェニレン−1,4−エーテル）、
ポリ（２−クロル−６−ブロムフェニレン−1,4−エー
テル）、ポリ（２−クロル−６−エチルフェニレン−1,
4−エーテル）、ポリ（２−メチルフェニレン−1,4−エ
ーテル）、ポリ（２−クロルフェニレン−1,4−エーテ
ル）、ポリ（２−フェニルフェニレン−1,4−エーテ
ル）、ポリ（２−メチル−６−フェニルフェニレン−1,
4−エーテル）、ポリ（２−ブロム−６−フェニルフェ
ニレン−1,4−エーテル）、ポリ（2,4′−メチルフェニ
ルフェニレン−1,4−エーテル）、それらの共重合体及
びこれらのスチレン系化合物グラフト共重合体である。
本発明にいうスチレン系化合物グラフト芳香族ポリエー
テル系樹脂とは、上記芳香族ポリエーテル系樹脂にスチ
レン系化合物としてスチレン、α−メチルスチレン、メ
チルスチレン、ジメチルスチレン、ビニルトルエン、ｔ
−ブチルスチレン、クロルスチレンなどをグラフト重合
して得られる共重合体である。The aromatic polyether resin referred to in the present invention has the following general formula (Wherein R 1 and R 2 represent the same or different residues such as an alkyl group, an aryl group, halogen, and hydrogen, and n represents the degree of polymerization), and specific examples thereof include , Poly (2,6-dimethylphenylene-1,4 ether), poly (2,6-diethylphenylene-1,4 ether), poly (2,6-dichlorophenylene-1,4 ether), poly (2 , 6-Dibromophenylene-1,4-ether), poly (2-methyl-6-ethylphenylene-1,4)
-Ether), poly (2-chloro-6-methylphenylene-1,4-ether), poly (2-methyl-6-isopropylphenylene-1,4-ether), poly (2,6-di-
n-propylphenylene-1,4-ether), poly (2
-Bromo-6-methylphenylene-1,4-ether),
Poly (2-chloro-6-bromophenylene-1,4-ether), poly (2-chloro-6-ethylphenylene-1,
4-ether), poly (2-methylphenylene-1,4-ether), poly (2-chlorophenylene-1,4-ether), poly (2-phenylphenylene-1,4-ether), poly (2 -Methyl-6-phenylphenylene-1,
4-ether), poly (2-bromo-6-phenylphenylene-1,4-ether), poly (2,4'-methylphenylphenylene-1,4-ether), copolymers thereof and styrenes thereof. It is a system compound graft copolymer.
The styrene compound graft aromatic polyether resin referred to in the present invention means styrene, α-methylstyrene, methylstyrene, dimethylstyrene, vinyltoluene, t as a styrene compound on the aromatic polyether resin.
-A copolymer obtained by graft-polymerizing butylstyrene, chlorostyrene and the like.
本発明で用いられるスチレン系樹脂とは、具体的には、
一般式 （式中Ｒは水素、炭素原子数１〜４のアルキル素又はハ
ロゲンであり、Ｚはビニル基、水素又は炭素原子数１〜
４のアルキル基からなる群より選択した１員であり、ｐ
は１〜５である）を有するビニル芳香族単量体から誘導
された重合体単位を少なくとも50モル％有するものであ
る。The styrene resin used in the present invention specifically includes
General formula (In the formula, R represents hydrogen, an alkyl group having 1 to 4 carbon atoms or halogen, and Z represents a vinyl group, hydrogen or 1 to 4 carbon atoms.
A member selected from the group consisting of 4 alkyl groups, p
Is 1 to 5) and has at least 50 mol% of polymer units derived from vinyl aromatic monomers.
好ましいスチレン系樹脂は、ポリスチレン、ポリクロロ
スチレン、α−メチルスチレンのごとき単独重合体、並
びにゴム変性耐衝撃性スチレン樹脂、例えば天然又は合
成ゴムで変性されたポリスチレンである。又、スチレン
含有共重合体、例えばスチレン−アクリロニトリル共重
合体、スチレン−アクリロニトリル−α−メチルスチレ
ン共重合体、スチレン−アクリロニトリル−ブタジエン
共重合体、スチレン−無水マレイン酸共重合体等が挙げ
られる。Preferred styrenic resins are homopolymers such as polystyrene, polychlorostyrene, α-methylstyrene, and rubber modified impact styrene resins such as polystyrene modified with natural or synthetic rubber. Further, a styrene-containing copolymer, for example, a styrene-acrylonitrile copolymer, a styrene-acrylonitrile-α-methylstyrene copolymer, a styrene-acrylonitrile-butadiene copolymer, a styrene-maleic anhydride copolymer and the like can be mentioned.
本発明にいう熱可塑性エラストマーとは、スチレン−ブ
タジエンブロック共重合体、水素化スチレン−ブタジエ
ンブロック共重合体、エチレン−プロピレンエラストマ
ー、スチレングラフトエチレン−プロピレンエラストマ
ー、ポリエステルエラストマーなどである。スチレン−
ブタジエンブロック共重合体は、AB型、ABA型、ABAテー
パー型、ラジアルテレブロック型のいずれをも用いるこ
とができる。The thermoplastic elastomer referred to in the present invention includes styrene-butadiene block copolymer, hydrogenated styrene-butadiene block copolymer, ethylene-propylene elastomer, styrene-grafted ethylene-propylene elastomer, polyester elastomer and the like. Styrene
As the butadiene block copolymer, any of AB type, ABA type, ABA taper type and radial teleblock type can be used.
更に無水マレイン酸でマレイン化させた上記熱可塑性エ
ラストマーを用いることができる。Further, the above-mentioned thermoplastic elastomer maleated with maleic anhydride can be used.
上述した芳香族ポリエーテル系樹脂、スチレン系樹脂及
び熱可塑性エラストマーは互いに任意の割合で組合せる
ことができるが、その機械的性質、熱的性質などのバラ
ンスから樹脂組成物中に芳香族ポリエーテル系樹脂が15
〜85重量部、スチレン系樹脂が85〜15重量部、熱可塑性
エラストマー１〜10重量部含有されており、かつ該スチ
レン系樹脂中に、ゴム変性スチレン系樹脂を使用した場
合の該ゴム分を除いて、分子量15〜25万の範囲のものが
70重量％以下であり、分子量25万を越えるものが30重量
％より多く含有されていることが好ましい。更に該スチ
レン系樹脂中に分子量15〜25万の範囲のものが５〜60重
量％、分子量25万を越えるものが95〜40重量％含有され
ていることが最も好ましい。又、15〜25万の範囲のもの
が70重量％を越えるとドローダウンが大きくなり好まし
くない。The above-mentioned aromatic polyether resin, styrene resin, and thermoplastic elastomer can be combined with each other in any proportion, but the aromatic polyether is added to the resin composition in view of the balance of mechanical properties and thermal properties. Resin is 15
To 85 parts by weight, 85 to 15 parts by weight of a styrene resin, and 1 to 10 parts by weight of a thermoplastic elastomer, and the rubber content in the case of using a rubber-modified styrene resin in the styrene resin. Except those with a molecular weight in the range of 150,000 to 250,000
It is preferably 70% by weight or less and more than 30% by weight of those having a molecular weight of 250,000 or more are contained. Further, it is most preferable that the styrene resin contains 5 to 60% by weight of one having a molecular weight of 150,000 to 250,000 and 95 to 40% by weight of one having a molecular weight of more than 250,000. On the other hand, if the amount in the range of 150,000 to 250,000 exceeds 70% by weight, the drawdown becomes large, which is not preferable.
上記のように本発明の樹脂組成物中のスチレン系樹脂
は、分子量が15〜25万のものと、分子量が25万を越える
ものとから本質的になるが、分子量が15万より小さいも
のも、本発明の目的の範囲内で存在させることができ
る。As described above, the styrenic resin in the resin composition of the present invention essentially has a molecular weight of 150,000 to 250,000 and a molecular weight of more than 250,000, but also has a molecular weight of less than 150,000. , Can be present within the scope of the present invention.
本発明は、混合樹脂組成物を得る方法によっては全く制
限されない。その方法としては、押出機、ロールミキサ
ー、ロールミキサー、ニーダミキサー等で溶融混練する
方法、スチレン系共重合体の重合に際して、芳香族ポリ
エーテル系樹脂を存在させておく方法等を用いることが
できる。The present invention is by no means limited by the method of obtaining the mixed resin composition. As the method, a method of melt-kneading with an extruder, a roll mixer, a roll mixer, a kneader mixer or the like, a method of allowing an aromatic polyether resin to exist in the polymerization of a styrene-based copolymer, and the like can be used. .
本発明の樹脂組成物には、補強充填剤を含有させること
ができる。補強充填剤としては、ガラス繊維、炭素繊
維、アスベスト、ウォラストナイト、炭酸カルシウム、
タルク、雲母、酸化亜鉛、酸化チタン、チタン酸カリウ
ムなどが用いられる。充填剤は組成物全体の１〜50重量
％の範囲で使用するのが好ましい。The resin composition of the present invention may contain a reinforcing filler. As the reinforcing filler, glass fiber, carbon fiber, asbestos, wollastonite, calcium carbonate,
Talc, mica, zinc oxide, titanium oxide, potassium titanate, etc. are used. Fillers are preferably used in the range of 1 to 50% by weight of the total composition.
又、本発明の樹脂組成物に難燃剤、可塑剤を含有させる
こともできる。難燃剤又は可塑剤としてはリン系化合
物、例えばリン酸トリフェニル、ハロゲン系化合物、例
えばデカブロモジフェニルオキサイドなど一般の難燃
剤、可塑剤が用いられる。Further, the resin composition of the present invention may contain a flame retardant and a plasticizer. As the flame retardant or plasticizer, phosphorus compounds such as triphenyl phosphate, halogen compounds such as decabromodiphenyl oxide, and other general flame retardants and plasticizers are used.
又、樹脂組成物中に他の添加剤、例えば可塑剤、着色
剤、安定剤等を含有せしめてもよいし、他の重合体、例
えばポリエチレン、ポリプロピレン、ポリアミド、ポリ
エステルなどを機械的物性などの特性を損なうことのな
い量で混合せしめることができる。これらの添加樹脂の
好ましい添加量は20重量％以下である。Further, the resin composition may contain other additives such as a plasticizer, a colorant, a stabilizer, etc., and other polymers such as polyethylene, polypropylene, polyamide, polyester, etc. may have mechanical properties such as It can be mixed in an amount that does not impair the properties. The preferable addition amount of these added resins is 20% by weight or less.
［実施例］ 以下実施例により、本発明を詳しく説明するが、本発明
はこれにより限定されるものではない。部は重量部をあ
らわす。[Examples] The present invention is described in detail below with reference to Examples, but the present invention is not limited thereto. Parts represent parts by weight.
実施例１〜３ ポリ（2,6−ジメチル−1,4−フェニレン）エーテル［η
SP/C＝0.55…クロロホルム溶液、30℃で測定］と、表−
１に示すスチレン系樹脂と熱可塑性エラストマーと、更
にイルガノックス1076［オクタデシル−３−（3,5−ジ
ターシャリーブチル−４−ヒドロキシフェニル）プロピ
オネート…チバガイギー社製］を表−１に示す配合比で
ブレンダーにて混合し、ベント付２軸押出機を用いて28
0℃にて溶融混練を行いペレット状の樹脂組成物を得
た。Examples 1 to 3 poly (2,6-dimethyl-1,4-phenylene) ether [η
SP / C = 0.55 ... chloroform solution, measured at 30 ° C]
The styrene resin and the thermoplastic elastomer shown in No. 1 and Irganox 1076 [octadecyl-3- (3,5-ditertiarybutyl-4-hydroxyphenyl) propionate ... manufactured by Ciba-Geigy] at the compounding ratio shown in Table-1. Mix in a blender and use a vented twin-screw extruder
Melt kneading was performed at 0 ° C. to obtain a pellet-shaped resin composition.
上記の樹脂組成物をアキュームレーター付き90mmφブロ
ー成形機［日本製鋼製NB40S/P90/7S型］を用いて240℃
にて1500mm×250mm×30mmの中空パネルを成形した。パ
リソンのドローダウンは認められず、均一な厚みの中空
パネルが得られた。The above resin composition was used at 90 ° C blow molding machine with accumulator [Nippon Steel NB40S / P90 / 7S type] at 240 ℃
A 1500 mm x 250 mm x 30 mm hollow panel was molded at. No drawdown of the parison was observed and hollow panels of uniform thickness were obtained.
なお、溶融張力の測定はメルトテンションテスター（東
洋精機社製）を用いて250℃、荷重2.16kg、速度314cm/
分にて実施した。The melt tension was measured using a melt tension tester (manufactured by Toyo Seiki Co., Ltd.) at 250 ° C., load of 2.16 kg, speed of 314 cm /
Conducted in minutes.
比較例１ 実施例１と同じポリ（2,6−ジメチル−1,4−フェニレ
ン）エーテル、スチレン系樹脂、熱可塑性エラストマー
及びイルガノックス1076を表−１に示す配合比でブレン
ダーにて混合し、ベント付２軸押出機を用いて280℃に
て溶融混練を行いペレット状の樹脂組成物を得た。Comparative Example 1 The same poly (2,6-dimethyl-1,4-phenylene) ether as in Example 1, styrene resin, thermoplastic elastomer and Irganox 1076 were mixed in a blender at the compounding ratio shown in Table-1, Melt kneading was carried out at 280 ° C. using a twin-screw extruder with a vent to obtain a pellet-shaped resin composition.
上記の樹脂組成物を実施例１と同じようにブロー成形し
たが、パリソンのドローダウンが大きく中空パネルは得
られなかった。成形温度220℃に下げたが、ドローダウ
ンは小さくはなったがパリソンが安定せず、均一な厚み
の中空パネルは得られなかった。The above resin composition was blow molded in the same manner as in Example 1, but the parison had a large drawdown and a hollow panel could not be obtained. Although the molding temperature was lowered to 220 ° C, the drawdown became smaller, but the parison was not stable, and a hollow panel of uniform thickness could not be obtained.
［発明の効果］ 以上説明したように、本発明の芳香族ポリエーテル系樹
脂含有組成物は、ブロー成形性に優れており、押出され
たパリソンがドローダウンすることなく、高品質の成形
品を得ることができる。 [Effect of the Invention] As described above, the aromatic polyether resin-containing composition of the present invention is excellent in blow moldability, and a high quality molded product can be obtained without drawdown of the extruded parison. Obtainable.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｂ２９Ｋ 25:00 71:00 ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Internal reference number FI technical display area B29K 25:00 71:00
Claims (1)
スチレン系樹脂85〜15重量部と熱可塑性エラストマー１
〜10重量部とからなる樹脂組成物であって、該スチレン
系樹脂は、分子量15〜25万のものと、分子量が25万を越
えるものとから本質的になり、かつ分子量15〜25万のも
のが70重量％以下であり、分子量25万を越えるものが30
重量％より多く含有されていることを特徴とするブロー
成形用樹脂組成物。1. An aromatic polyether resin 15 to 85 parts by weight, a styrene resin 85 to 15 parts by weight, and a thermoplastic elastomer 1
A resin composition consisting of 10 to 10 parts by weight, wherein the styrene resin is essentially composed of one having a molecular weight of 150,000 to 250,000 and one having a molecular weight of more than 250,000, and having a molecular weight of 150,000 to 250,000. 70% by weight or less, 30 with molecular weight over 250,000
A blow molding resin composition, characterized in that it is contained in an amount of more than wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2100420A JPH0768452B2 (en) | 1990-04-18 | 1990-04-18 | Blow molding resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2100420A JPH0768452B2 (en) | 1990-04-18 | 1990-04-18 | Blow molding resin composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH041263A JPH041263A (en) | 1992-01-06 |
| JPH0768452B2 true JPH0768452B2 (en) | 1995-07-26 |
Family
ID=14273487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2100420A Expired - Fee Related JPH0768452B2 (en) | 1990-04-18 | 1990-04-18 | Blow molding resin composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0768452B2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU617339B2 (en) * | 1987-08-06 | 1991-11-28 | Ge Chemicals, Inc | High molecular weight polystyrene and method and blends with ppe and hips |
| JP2762649B2 (en) * | 1990-01-12 | 1998-06-04 | 住友化学工業株式会社 | Rubber modified polystyrene composition |
-
1990
- 1990-04-18 JP JP2100420A patent/JPH0768452B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH041263A (en) | 1992-01-06 |
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