JP5136924B2 - 複合成形用熱可塑性エラストマ樹脂組成物および複合成形体 - Google Patents
複合成形用熱可塑性エラストマ樹脂組成物および複合成形体 Download PDFInfo
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- JP5136924B2 JP5136924B2 JP2007023026A JP2007023026A JP5136924B2 JP 5136924 B2 JP5136924 B2 JP 5136924B2 JP 2007023026 A JP2007023026 A JP 2007023026A JP 2007023026 A JP2007023026 A JP 2007023026A JP 5136924 B2 JP5136924 B2 JP 5136924B2
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- PDXRQENMIVHKPI-UHFFFAOYSA-N cyclohexane-1,1-diol Chemical compound OC1(O)CCCCC1 PDXRQENMIVHKPI-UHFFFAOYSA-N 0.000 description 1
- PJFPFKALGCPVLG-UHFFFAOYSA-N cyclohexane;3,6-dioxabicyclo[6.2.2]dodeca-1(10),8,11-triene-2,7-dione Chemical compound C1CCCCC1.O=C1OCCOC(=O)C2=CC=C1C=C2 PJFPFKALGCPVLG-UHFFFAOYSA-N 0.000 description 1
- OIWOHHBRDFKZNC-UHFFFAOYSA-N cyclohexyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1CCCCC1 OIWOHHBRDFKZNC-UHFFFAOYSA-N 0.000 description 1
- YZFOGXKZTWZVFN-UHFFFAOYSA-N cyclopentane-1,1-dicarboxylic acid Chemical compound OC(=O)C1(C(O)=O)CCCC1 YZFOGXKZTWZVFN-UHFFFAOYSA-N 0.000 description 1
- FOTKYAAJKYLFFN-UHFFFAOYSA-N decane-1,10-diol Chemical compound OCCCCCCCCCCO FOTKYAAJKYLFFN-UHFFFAOYSA-N 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- VNGOYPQMJFJDLV-UHFFFAOYSA-N dimethyl benzene-1,3-dicarboxylate Chemical compound COC(=O)C1=CC=CC(C(=O)OC)=C1 VNGOYPQMJFJDLV-UHFFFAOYSA-N 0.000 description 1
- LHLUQDDQLCJCFU-UHFFFAOYSA-L disodium;1-sulfocyclohexa-3,5-diene-1,3-dicarboxylate Chemical compound [Na+].[Na+].OS(=O)(=O)C1(C([O-])=O)CC(C([O-])=O)=CC=C1 LHLUQDDQLCJCFU-UHFFFAOYSA-L 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 235000019256 formaldehyde Nutrition 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002432 hydroperoxides Chemical class 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- SEEYREPSKCQBBF-UHFFFAOYSA-N n-methylmaleimide Chemical compound CN1C(=O)C=CC1=O SEEYREPSKCQBBF-UHFFFAOYSA-N 0.000 description 1
- DFFZOPXDTCDZDP-UHFFFAOYSA-N naphthalene-1,5-dicarboxylic acid Chemical compound C1=CC=C2C(C(=O)O)=CC=CC2=C1C(O)=O DFFZOPXDTCDZDP-UHFFFAOYSA-N 0.000 description 1
- MNZMMCVIXORAQL-UHFFFAOYSA-N naphthalene-2,6-diol Chemical compound C1=C(O)C=CC2=CC(O)=CC=C21 MNZMMCVIXORAQL-UHFFFAOYSA-N 0.000 description 1
- WPUMVKJOWWJPRK-UHFFFAOYSA-N naphthalene-2,7-dicarboxylic acid Chemical compound C1=CC(C(O)=O)=CC2=CC(C(=O)O)=CC=C21 WPUMVKJOWWJPRK-UHFFFAOYSA-N 0.000 description 1
- DFQICHCWIIJABH-UHFFFAOYSA-N naphthalene-2,7-diol Chemical compound C1=CC(O)=CC2=CC(O)=CC=C21 DFQICHCWIIJABH-UHFFFAOYSA-N 0.000 description 1
- CLNYHERYALISIR-UHFFFAOYSA-N nona-1,3-diene Chemical compound CCCCCC=CC=C CLNYHERYALISIR-UHFFFAOYSA-N 0.000 description 1
- OTLDLKLSNZMTTA-UHFFFAOYSA-N octahydro-1h-4,7-methanoindene-1,5-diyldimethanol Chemical compound C1C2C3C(CO)CCC3C1C(CO)C2 OTLDLKLSNZMTTA-UHFFFAOYSA-N 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- UHHKSVZZTYJVEG-UHFFFAOYSA-N oxepane Chemical compound C1CCCOCC1 UHHKSVZZTYJVEG-UHFFFAOYSA-N 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000233 poly(alkylene oxides) Polymers 0.000 description 1
- 229920000163 poly(trimethylene ether) Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229940096992 potassium oleate Drugs 0.000 description 1
- 229940114930 potassium stearate Drugs 0.000 description 1
- MLICVSDCCDDWMD-KVVVOXFISA-M potassium;(z)-octadec-9-enoate Chemical compound [K+].CCCCCCCC\C=C/CCCCCCCC([O-])=O MLICVSDCCDDWMD-KVVVOXFISA-M 0.000 description 1
- ANBFRLKBEIFNQU-UHFFFAOYSA-M potassium;octadecanoate Chemical compound [K+].CCCCCCCCCCCCCCCCCC([O-])=O ANBFRLKBEIFNQU-UHFFFAOYSA-M 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 229940116351 sebacate Drugs 0.000 description 1
- CXMXRPHRNRROMY-UHFFFAOYSA-L sebacate(2-) Chemical compound [O-]C(=O)CCCCCCCCC([O-])=O CXMXRPHRNRROMY-UHFFFAOYSA-L 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- XLAIWHIOIFKLEO-UHFFFAOYSA-N stilbene-4,4'-diol Chemical group C1=CC(O)=CC=C1C=CC1=CC=C(O)C=C1 XLAIWHIOIFKLEO-UHFFFAOYSA-N 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- SJMYWORNLPSJQO-UHFFFAOYSA-N tert-butyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC(C)(C)C SJMYWORNLPSJQO-UHFFFAOYSA-N 0.000 description 1
- 229920006346 thermoplastic polyester elastomer Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 150000007934 α,β-unsaturated carboxylic acids Chemical class 0.000 description 1
Images
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Description
前記グラフト共重合体(B)のゴム質重合体がジエン系ゴム質重合体であること、
前記グラフト共重合体(B)が、ジエン系ゴム質重合体40〜85重量部の存在下に、芳香族ビニル単量体、シアン化ビニル単量体を主成分として含む単量体成分15〜60重量部を重合してなるものであること、および
前記グラフト共重合体(B)のグラフト率が25%以上であること
がいずれも好ましい条件として挙げられる。
硬質樹脂と上記複合成形用熱可塑性エラストマ樹脂組成物とからなる複合成形体であること、および
硬質樹脂が共役ジエン系ゴム強化ポリスチレン系樹脂、共役ジエン系ゴム強化ポリスチレン系樹脂とポリカーボネート樹脂とのブレンド物から選ばれる樹脂である複合成形体であること、
がいずれも好ましい条件として挙げられる。
[η]=1.23×10−4M0.83
(ただし式中[η]は固有粘度を、Mは粘度平均分子量を示す)
ゴム質重合体の所定量M(g)にアセトンを加え、4時間還流した。この溶液を9000rpmで30分間遠心分離後、不溶分を濾過した。この不溶分を60℃で5時間減圧乾燥し、重量N(g)を測定し、グラフト率を次式で算出した。
グラフト率=100×(N−M×L)/(M×L)
ここで、Lはゴム質重合体中のゴムの含有率を表す。
ASTM D−2240にしたがって測定した。
JIS K7113に従って、引張破断強度と引張破断伸度を測定した。
ASTM D790に従って、曲げ弾性率を測定した。
まず評価用樹脂組成物を図1に示す幅20mm、長さ60mm、厚み3mmのL字形状をシリンダー温度240℃、金型温度50℃の条件で射出成形により作成し、この成形されたL字形状成形品(A)を、図2に示す形状となる金型にセットした後、ABS樹脂(B)をシリンダー温度250℃、金型温度50℃の条件で射出成形した。室温にて1日放置後、図2に示す方法により歪み速度50mm/分の条件で引張試験を行い、得られる最大引張力を融着接着力として測定した。
JIS 2号ダンベル試験片をシリンダー温度240℃、金型温度50℃、冷却時間15秒の条件で成形し、エジェクターにより金型から離型させた時のJIS 2号ダンベル試験片の変形度合いを以下のように判定した。
変形度合い判定 ○:変形なし ×:変形大
[ポリエステルブロック共重合体(A−1)の製造]
テレフタル酸222部、イソフタル酸95部、1,4−ブタンジオール344部および数平均分子量約1000のポリ(テトラメチレンオキシド)グリコール89部を、チタンテトラブトキシド0.15部と共にヘリカルリボン型攪拌翼を備えた反応容器に仕込み、190〜225℃で3時間加熱し、反応水を系外に流出させながらエステル化反応を行った。反応混合物に”イルガノックス”1010(チバガイギー社製ヒンダードフェノール系酸化防止剤)0.75部を添加した後、245℃に昇温し、次いで、50分かけて系内の圧力を27Paの減圧とし、その条件下で2時間35分重合をおこなった。得られたポリマを水中にストランド状で吐出し、カッティングによりペレットとした。
テレフタル酸302部、1,4−ブタンジオール327部および数平均分子量約1400のポリ(テトラメチレンオキシド)グリコール216部を、チタンテトラブトキシド0.15部と共にヘリカルリボン型撹拌翼を備えた反応容器に仕込み、190〜225℃で3時間加熱して、反応水を系外に留出しながらエステル化反応を行った。反応混合物に”イルガノックス”1010(チバガイギー社製ヒンダードフェノール系酸化防止剤)0.75部を添加した後、245℃に昇温し、次いで40分かけて系内の圧力を27Paの減圧とし、その条件下で2時間45分重合を行わせた。得られたポリマを水中にストランド状で吐出し、カッティングを行なってペレットとした。
ポリブタジエンラテックス60重量部(固形分換算)の存在下で、スチレン70%、アクリルニトリル30%からなる単量体混合物40重量部を4時間にわたって連続滴下して乳化重合した。得られた重合体は硫酸で凝固し、苛性ソーダで中和、洗浄、濾過、乾燥してパウダー状のゴム質重合体を得た。本ゴム質重合体のグラフト率は39%であった。
ポリブタジエンラテックス60重量部(固形分換算)の存在下でスチレン70%、アクリルニトリル30%からなる単量体混合物40重量部を1時間にわたって連続滴下して乳化重合した。得られた重合体は硫酸で凝固し、苛性ソーダで中和、洗浄、濾過、乾燥してパウダー状のゴム質重合体を得た。本ゴム質重合体のグラフト率は15%であった。
ポリブタジエンラテックス35重量部(固形分換算)の存在下でスチレン70%、アクリルニトリル30%からなる単量体混合物65重量部を4時間にわたって連続滴下して乳化重合した。得られた重合体は硫酸で凝固し、苛性ソーダで中和、洗浄、濾過、乾燥してパウダー状のゴム質重合体を得た。本ゴム質重合体のグラフト率は43%であった。
三菱エンジニアリングプラスチック(株)製“ユーピロン”S−2000を使用した。
東レ(株)製PBT“トレコン”1401X06を使用した。
下記実施例において、テクノポリマー(株)製ABS330を使用した。
参考例で得られたポリエステルブロック共重合体(A−1)、(A−2)に、グラフト共重合体(B−1)、(B−2)、(B−3)、ポリカーボネート(C)を、表1に示す配合比率(重量%)でV−ブレンダーを用いて混合し、直径45mmで3条ネジタイプのスクリューを有する2軸押出機を用いて240℃で溶融混練し、ペレット化した。
これらのペレットを80℃で5時間乾燥後、240℃に設定したインラインスクリュー型射出成形機を用いて、50℃の金型温度(金型キャビティ表面)において、JIS2号ダンベル試験片と縦129mm×横12.8mm×厚み6.3mmの曲げ成形品を射出成形した。各々試験について特性を調べた結果を表1に示す。
(B) ABS樹脂
Claims (7)
- 主として結晶性芳香族ポリエステル単位からなる高融点結晶性重合体セグメント(a1)と、主として脂肪族ポリエーテル単位および/または脂肪族ポリエステル単位からなる低融点重合体セグメント(a2)とを主たる構成成分とするポリエステルブロック共重合体(A)55〜80重量%と、ゴム質重合体存在下に芳香族ビニル単量体およびシアン化ビニル単量体を主成分として含む単量体成分を共重合してなるグラフト共重合体(B)10〜20重量%と、ポリカーボネート樹脂(C)5〜20重量%と、熱可塑性芳香族ポリエステル樹脂(D)5〜15重量%とからなることを特徴とする複合成形用熱可塑性エラストマ樹脂組成物。
- 前記グラフト共重合体(B)のゴム質重合体がジエン系ゴム質重合体であることを特徴とする請求項1記載の複合成形用熱可塑性エラストマ樹脂組成物。
- 前記グラフト共重合体(B)が、ジエン系ゴム質重合体40〜85重量部の存在下に、芳香族ビニル単量体およびシアン化ビニル単量体を主成分として含む単量体成分15〜60重量部を重合してなるものであることを特徴とする請求項1または2に記載の複合成形用熱可塑性エラストマ樹脂組成物。
- 前記グラフト共重合体(B)のグラフト率が25%以上であることを特徴とする請求項1〜3のいずれか1項に記載の複合成形用熱可塑性エラストマ樹脂組成物。
- 請求項1〜4のいずれか1項に記載の複合成形用熱可塑性エラストマ樹脂組成物を射出成形してなることを特徴とする複合成形体。
- 前記複合成形体が硬質樹脂と請求項1〜4のいずれか1項に記載の複合成形用熱可塑性エラストマ樹脂組成物とからなる複合成形体である請求項5に記載の複合成形体。
- 前記硬質樹脂が、共役ジエン系ゴム強化スチレン系樹脂、共役ジエン系ゴム強化スチレン系樹脂とポリカーボネート樹脂とのブレンド物から選ばれる樹脂であることを特徴とする請求項6に記載の成形体。
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