CN1048714A - 一种捏合的可模制的树脂组合物 - Google Patents
一种捏合的可模制的树脂组合物 Download PDFInfo
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
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- C08L25/06—Polystyrene
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- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic groups
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Abstract
本发明涉及一种捏合的可模制的树脂组合物,该
组合物可被模制成各种薄膜和各种管材尤其是本发
明涉及一种捏合的可模制的树脂组合物,它包括聚乙
烯树脂,聚硅氧烷聚合物,和一种在两末端具有不饱
和基的化合物。
Description
本发明涉及一种捏合的可模制的树脂组合物,该组合物可被模制成各种薄膜和各种管材尤其是本发明涉及一种捏合的可模制的树脂组合物,它包括聚乙烯树脂,聚硅氧烷聚合物,和一种在两末端具有不饱和基的化合物。
硅氧烷已广泛地地被使用,因为它具有许多优良的特性,例如滑动性,脱模性,氧气渗透性,拒水性和电绝缘性等,但是硅氧烷的缺点则是它的机械强度很低,很难被形成薄膜,以及其低劣的成型性。
本发明的目的是提供一种树脂,该树脂可以改善硅氧烷的固有缺点,如机械强度低,成膜性差和低劣的成型性等。
按照本发明的捏合的组合物可以模制成薄膜、片材、管材等,并且所得的模制品呈现出硅氧烷所固有的各种性能。该组合物可用于医学零件,工业零件,电气零件等等。除此之外,该组合物还可以用作改善工程塑料的成型性和耐冲击性的改性剂。
本发明者曾经研究制备一种可以改善硅氧烷各种固有缺点(低的机械强度,低的成膜性和成型性等)的捏合的可模塑的树脂,并已成功地实现了本发明。
本发明提供一种捏合的(热捏合)可模制的树脂组合物,它包括100重量份的有机多分子硅醚,其通式为:
(式中R1为脂肪族不饱和基,R2是取代的或不取代的且不含脂肪族不饱和基的一价烃基,0<a<1,0.5<b<3,并且1<a+b<3);和0.01~30重量份的碳氢化合物,其通式如下:
(式中C是1-30的整数),另外本发明还提供捏合树脂组合物的各种模制品。
按照本发明的捏合的树脂组合物可以模制成各种薄膜和各种管材等。捏合树脂组合物的模制品含有乙烯聚合物和有机硅氧烷化合物,它们的混合是以均匀状态而不是以不适宜地宏观分布状态而存在的。
当采用班伯里密炼机对乙烯聚合物和由通式(A)所示的有机多分子硅醚进行捏合时,混合机打滑,很难将它们捏合,即使它们被捏合了也不容易发生反应。但是,当加入一种有机过氧化物时,在很短的时间周期内扭矩便增加,并且开始反应。该乙烯聚合物与有机多分子硅醚化合物进行化合,但是产生了大量的交联硅氧烷块且不能很容易地产生均匀的树脂。
为了克服这种现象,本发明者们经研究发现,加入由通式(B)所示的碳氢化合物可以得到均匀并且几乎没有交联的硅氧烷块的树脂。本发明的捏合的树脂组合物,可以采用通用的模制聚乙烯等的模制机模制成薄膜和管子,而所得的薄膜和管子是均匀的基本上没有交联的硅氧烷块。
按照本发明的捏合的树脂组合物还可以同,例如聚苯乙烯、尼龙、聚酯、聚碳酸酯或其它类似物相混合,以便改善后者的成型性和耐冲击性。
用于本发明的组合物中的乙烯聚合物含有乙烯作为主成分,作为其实例的有:高压法聚乙烯,线性低密度聚乙烯(LLDPE)、乙烯-α烯烃共聚物、乙烯-醋酸乙烯共聚物,乙烯-丙烯酸共聚物,乙烯-甲基丙烯酸共聚物,乙烯-丙烯酸甲酯共聚物,乙烯-甲基丙烯酸甲酯共聚物,乙烯-丙烯酸乙酯共聚物,乙烯-甲基丙烯酸乙酯共聚物,乙烯-乙烯醇共聚物,乙烯-丙烯-二烯三元聚合物等。
用于本发明的由通式(A)所示的有机多分子硅醚中,作为R1基的实例有:乙烯基,丙烯酰基,甲基丙烯酰基等;R2基的实例有:烷基,例如甲基,丙烯酰基,甲基丙烯酰基及其它,还有芳基,例如苯基,三苯甲基及其它,还有环烷基,如环己基,环丁基等,以及具有氢基键合到上面所列烃基部分的碳原子上的各种基团,尤其是被卤原子,氰基,巯基等取代的各种基。R2是同类或不同类基相结合的。
a是除1以外的大于零小于1的数。当a是零时不好,因为乙烯聚合物不能与由通式(B)所示的碳氢化合物相互反应,而当a是1或大于1时也不好,因为由本发明组合物生产的模制品太硬。优选的a是0.0004~0.06。b最好是大于0.5(包括0.5)并小于3(3除外)。当b小于0.5(包括0.5),本发明的组合物不易被捏合并且成型性不佳,当b大于3(包括3)时,由本发明的组合物生产的模制品太硬,也不好,b最好是1~2。
本发明中所用的有机多分子硅醚可以有直链分子结构,支链分子结构,环状分子结构,网状分子结构,立体网状分子结构等。
用于本发明的有机多分子硅醚的聚合率没有特殊的限制,合适的聚合率是以不干扰它与乙烯聚合物的捏合为准。优选的聚合率是250以上。
用于本发明的由通式(B)所示的碳氢化合物的实例有:1,4-戊二烯,1,5-己二烯,1,6-庚二烯,1,7-辛二烯,1,8-壬二烯,1,9-癸二烯,1,10-十一碳二烯,1,11-十二碳二烯,1,12-十三碳二烯,1,13-十四碳二烯,或其它。
用于本发明的由通式(A)所示的有机多分子硅醚的加入量为大于0.01重量份,优选0.05~300重量份(以100重量份的乙烯聚合物为基准)。当有机多分子硅醚的加入量低于0.01重量份时,所得树脂不容易呈现硅氧烷所固有的各种性能。但是当它的加入量大于300重量份时,所得树脂又不容易被模制成薄膜。
用于本发明的由通式(B)所示的碳氢化合物的加入量应大于0.01重量份。当碳氢化合物的加入量低于0.01重量份时,将产生大量的交联硅氧烷块。
按照本发明的捏合的树脂组合物可以含有氧化稳定剂,紫外线稳定剂,天机填料,颜料,阻燃剂,橡胶等。
按照本发明的捏合的组合物可以采用注塑,吹塑和挤塑等方法进行成型。该组合物可以采用通用的捏合机,例如班伯里混炼机,双螺杆挤出机进行热捏合。
加热温度最好尽可能低,例如,当选择乙烯-醋酸乙烯共聚物作为乙烯聚合物时,温度最好低于170℃,如果是在高于170℃的温度加热,其分解气味将变得较强烈。优选的加热时间周期为30分钟以上。
例1
将100重量份熔融指数为2.5g/10分钟(190℃下,负荷为2160克)的含有18%(重量)醋酸乙烯的乙烯-醋酸乙烯共聚物(由Nippon Unicar制造)和100重量份的硅氧烷胶料(由Nippon Unicar制造)其粘度在23℃下为300,000厘沲(CS)并且有1.0%的甲基乙烯基硅氧烷,1份1,9-癸二烯,和0.1份IRGANOX1010(由Ciba Gaigy制造的一种抗氧剂)在100℃下捏合10分钟再于165℃下捏合70分钟,再通过压缩模制形成一种1mm厚的片材,该片材几乎没有什么分解气味,而且也没有不均匀部分。所得的捏合的组合物的熔融指数为0.2g/10分钟,抗张强度为60Kg/cm2,伸长率为500%。所制得的片材表面上没有硅氧烷的渗出物。将此片材造粒,然后在160℃下用Brabender Plastograph的挤出机将该颗粒挤出成带状物。
对比例1
如例1所述那样,将除了1,9-癸二烯之外的各组分进行捏合形成片材,该片材局部带有交联的有机硅氧烷块,其直径为0.1~0.5mm,并且所得到的片材是不均匀的。
例2
将100重量份的乙烯-醋酸乙烯共聚物(由Nippon Unicar制造,其熔融指数为1.5克/10分钟,醋酸乙烯的含量为15(重量)%,100重量份的硅氧烷胶料(由Nippon Uincar制造,其粘度在23℃下为300,000CS,甲基乙烯基硅氧烷含量为5.0%),2份1,9-癸二烯,和0.1份IRGANOX1010(由Ciba Gaigy制造的一种抗氧剂),在100℃下用Brabender Plastograph的设备捏合10分钟,再于165℃下捏合40分钟,然后通过压缩模制形成1mm厚的片材。所制得的捏合的组合物其熔融指数为0.1克/10分钟,抗张强度为70Kg/cm2,伸长率为300%。所制得的片材没有硅氧烷的渗出物。将此片材造粒,该颗粒可以使用Brabender Plastograph的挤出机于160℃下制成带状物。
例3
将100重量份的乙烯-丁烯-1共聚物(由Union Carbide制造,其熔融指数为4.7克/10分钟,密度为0.900),100份硅氧烷胶料(其粘度在23℃下为300,000CS,其甲基乙烯基硅氧烷含量为5.0%),2重量份的1,9-癸二烯,和0.1份的IRGANOX1010(由CibaGaigy制造的一种抗氧剂)在100℃下捏合10分钟再于165℃下捏合70分钟,然后通过压缩模制形成1mm厚的片材。这样制得的捏合组合物的熔融指数为0.2克/10分钟。抗张强度为50Kg/cm2,伸长率为600%。这样制得的片材基本上没有硅氧烷渗出物。将此片材造粒,该颗粒采用Brabender Plsatograph挤出机于160℃下制成带状物。
例4
将100重量份的聚苯乙烯(在200℃和5000克负荷下的熔融指数为10.0克/10分钟,切口的悬臂梁冲击强度为1.3Kg·cm/cm),和10份按例1制得的颗粒于200℃下用Brabender Plastogrph的设备捏合10分钟,然后取出制成片材,所制得的片材的悬臂梁冲击强度为3.0Kg·cm/cm。
Claims (2)
1、一种捏合的可模制的树脂组合物,包括100重量份的乙烯聚合物,0.01~300重量份的有机多分子硅醚,其通式为
(式中R1是脂肪族不饱和基,R2是取代或不取代的且不含有脂肪族不饱和基的一价烃基,0<a<1,0.5<b<3,和1<a+b<3),0.01~30重量份的碳氢化合物其通式为:
(式中C是1~30的整数)该组合物被加热捏合。
2、一种由按照权利要求1的捏合的可模制的树脂组合物生产的模制品。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1154699A JPH0321611A (ja) | 1989-06-19 | 1989-06-19 | 成形可能な樹脂混練物 |
JP154699/89 | 1989-06-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1048714A true CN1048714A (zh) | 1991-01-23 |
Family
ID=15590013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN90104937A Pending CN1048714A (zh) | 1989-06-19 | 1990-06-18 | 一种捏合的可模制的树脂组合物 |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0404011A3 (zh) |
JP (1) | JPH0321611A (zh) |
KR (1) | KR910000896A (zh) |
CN (1) | CN1048714A (zh) |
AU (1) | AU5753090A (zh) |
BR (1) | BR9002890A (zh) |
CA (1) | CA2019244A1 (zh) |
HU (1) | HUT55432A (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112639019A (zh) * | 2018-09-12 | 2021-04-09 | 株式会社可乐丽 | 树脂组合物及其成型体 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
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DE69329236T2 (de) * | 1992-06-22 | 2001-04-05 | Nippon Steel Corp | Kaltgewalztes stahlblech mit guter einbrennhärtbarkeit, ohne kaltalterungserscheinungen und exzellenter giessbarkeit, tauchzink-beschichtetes kaltgewalztes stahlblech und deren herstellungsverfahren |
US5690755A (en) * | 1992-08-31 | 1997-11-25 | Nippon Steel Corporation | Cold-rolled steel sheet and hot-dip galvanized cold-rolled steel sheet having excellent bake hardenability, non-aging properties at room temperature and good formability and process for producing the same |
CA2105264C (en) * | 1992-09-08 | 2002-05-07 | Yasushi Nakakura | Resin compositions, production process thereof, and products using the resin compositions |
EP0807998B1 (en) * | 1995-01-31 | 2001-10-17 | Nippon Zeon Co., Ltd. | Insulator and high-frequency connector |
KR100710546B1 (ko) * | 1999-07-13 | 2007-04-24 | 에스케이 주식회사 | 고수율로 DL-α-토코페롤을 제조하는 방법 |
US7795366B2 (en) | 2002-08-12 | 2010-09-14 | Exxonmobil Chemical Patents Inc. | Modified polyethylene compositions |
US7531594B2 (en) | 2002-08-12 | 2009-05-12 | Exxonmobil Chemical Patents Inc. | Articles from plasticized polyolefin compositions |
US7271209B2 (en) | 2002-08-12 | 2007-09-18 | Exxonmobil Chemical Patents Inc. | Fibers and nonwovens from plasticized polyolefin compositions |
US7998579B2 (en) | 2002-08-12 | 2011-08-16 | Exxonmobil Chemical Patents Inc. | Polypropylene based fibers and nonwovens |
JP2005535748A (ja) | 2002-08-12 | 2005-11-24 | エクソンモービル・ケミカル・パテンツ・インク | 可塑性ポリオレフィン組成物 |
US8003725B2 (en) | 2002-08-12 | 2011-08-23 | Exxonmobil Chemical Patents Inc. | Plasticized hetero-phase polyolefin blends |
US8192813B2 (en) | 2003-08-12 | 2012-06-05 | Exxonmobil Chemical Patents, Inc. | Crosslinked polyethylene articles and processes to produce same |
US8389615B2 (en) | 2004-12-17 | 2013-03-05 | Exxonmobil Chemical Patents Inc. | Elastomeric compositions comprising vinylaromatic block copolymer, polypropylene, plastomer, and low molecular weight polyolefin |
BRPI0606981A2 (pt) * | 2005-02-02 | 2009-07-28 | Exxonmobil Chem Patents Inc | composição de polietileno modificada e artigo de fabricação |
ATE555166T1 (de) | 2005-07-15 | 2012-05-15 | Exxonmobil Chem Patents Inc | Elastomere zusammensetzungen |
JP4887051B2 (ja) * | 2006-02-02 | 2012-02-29 | 日立Geニュークリア・エナジー株式会社 | 差圧式水位計測装置 |
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US2924584A (en) * | 1956-06-20 | 1960-02-09 | Du Pont | Composition comprising polyethylene and an ethylenically unsaturated aliphatic hydrocarbon of 20-35 carbon atoms and article thereof |
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1989
- 1989-06-19 JP JP1154699A patent/JPH0321611A/ja active Pending
-
1990
- 1990-06-18 AU AU57530/90A patent/AU5753090A/en not_active Abandoned
- 1990-06-18 EP EP19900111443 patent/EP0404011A3/en not_active Withdrawn
- 1990-06-18 KR KR1019900008913A patent/KR910000896A/ko not_active Application Discontinuation
- 1990-06-18 HU HU903884A patent/HUT55432A/hu unknown
- 1990-06-18 CN CN90104937A patent/CN1048714A/zh active Pending
- 1990-06-18 CA CA002019244A patent/CA2019244A1/en not_active Abandoned
- 1990-06-19 BR BR909002890A patent/BR9002890A/pt unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112639019A (zh) * | 2018-09-12 | 2021-04-09 | 株式会社可乐丽 | 树脂组合物及其成型体 |
Also Published As
Publication number | Publication date |
---|---|
HUT55432A (en) | 1991-05-28 |
AU5753090A (en) | 1990-12-20 |
EP0404011A2 (en) | 1990-12-27 |
KR910000896A (ko) | 1991-01-30 |
EP0404011A3 (en) | 1991-10-16 |
CA2019244A1 (en) | 1990-12-19 |
HU903884D0 (en) | 1990-11-28 |
JPH0321611A (ja) | 1991-01-30 |
BR9002890A (pt) | 1991-08-20 |
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