CN107236244A - 一种塑料合金及其制备方法和用途 - Google Patents

一种塑料合金及其制备方法和用途 Download PDF

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CN107236244A
CN107236244A CN201710609624.7A CN201710609624A CN107236244A CN 107236244 A CN107236244 A CN 107236244A CN 201710609624 A CN201710609624 A CN 201710609624A CN 107236244 A CN107236244 A CN 107236244A
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plastic alloy
pom
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melting extrusion
alloy according
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董久红
王永顺
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L55/00Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
    • C08L55/02ABS [Acrylonitrile-Butadiene-Styrene] polymers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00Materials not provided for elsewhere
    • C09K3/14Anti-slip materials; Abrasives
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00Materials not provided for elsewhere
    • C09K3/14Anti-slip materials; Abrasives
    • C09K3/149Antislip compositions
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/08Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers

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  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
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  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

本发明的目的是针对于现有技术中POM的抗冲击性能较差的问题,提供了一种塑料合金及其制备方法和用途,属于改性塑料技术领域。该塑料合金由四种组分经熔融挤出产生接枝反应生成的,四种组分的重量百分比如下:PC 22‑28%,POM 7‑10%,ABS 57‑63%,CPE 8‑10%。本发明的塑料合金将PC、ABS、POM三种材料在相容剂CPE作用下进行接枝反应,生成新的高分子塑料合金材料,其强度、耐冲击性能、耐磨性能、耐温性能都优于单一的聚甲醛材料。本发明的制备方法简便,通过将混合物熔融挤出即可。

Description

一种塑料合金及其制备方法和用途
技术领域
本发明属于改性塑料技术领域,特别涉及一种塑料合金及其制备方法和用途。
背景技术
POM(聚甲醛树脂)为一种没有侧链、高密度、高结晶性的线型聚合物,是具有优异的综合性能的工程塑料,为第三大通用工程塑料,具有良好的物理、机械和化学性能,尤其是具有优异的耐摩擦性能,适于制作减磨耐磨零件,传动零件,以及化工,仪表等零件,但是POM的抗冲击性能较差,价格较高。按其分子链中化学结构的不同,可分为均聚甲醛和共聚甲醛两种。两者的重要区别是:均聚甲醛密度、结晶度、熔点都高,但热稳定性差,加工温度范围窄(约10℃),对酸碱稳定性略低;而共聚甲醛密度、结晶度、熔点、强度都较低,但热稳定性好,不易分解,加工温度范围宽(约50℃),对酸碱稳定性较好。
塑料合金是利用物理共混或化学接枝的方法而获得的高性能、功能化、专用化的一类新材料,因此,有必要对POM进行改进提高其性能。
发明内容
本发明的目的是针对于现有技术中POM的抗冲击性能较差的问题,提供了一种塑料合金及其制备方法和用途。本发明的塑料合金将PC、ABS、POM三种材料在相容剂CPE作用下进行接枝反应,生成新的高分子塑料合金材料,其强度、耐冲击性能、耐磨性能、耐温性能都优于单一的聚甲醛材料。本发明的制备方法简便,通过将混合物熔融挤出即可。
本发明的技术方案之一为,一种塑料合金,由四种组分经熔融挤出同时产生接枝反应生成的,四种组分的重量百分比如下:
碳酸聚酯(PC)22-28%,聚甲醛树脂(POM)7-10%,丙烯腈-丁二烯-苯乙烯塑料(ABS)57-63%,氯化聚乙烯(CPE)8-10%;
较好的,所述PC的酯基结构为脂肪族、芳香族或脂肪族-芳香族;更好的,所述PC为双酚A型PC;
较好的,所述POM为均聚甲醛或共聚甲醛树脂;
较好的,所述CPE中氯含量为30~40%。
本发明的技术方案之二为,上述塑料合金的制备方法,上述四种组分按比例混合均匀后,经过熔融挤出,或再经过造粒,得到塑料合金;
较好的,所述熔融挤出的具体方法为:在平行双螺杆挤出机上,于70~220℃温度下挤出。
本发明的技术方案之三为,上述塑料合金的用途,所述塑料合金作为工业、运输业中使用的耐磨材料;
较好的,所述塑料合金作为重轨或钢材运输用转向架防滑耐磨垫板使用。
与现有技术相比,本发明的优势在于:
本发明将PC、ABS、POM三种材料,在相容剂CPE作用下进行接枝反应,制备出新的高分子塑料合金材料,其强度、耐冲击性能、耐磨性能、耐温性能都优于单一的POM。
具体实施方式
以下实施例中的PC、ABS、POM、CPE均为市购。
实施例1
将28g的双酚A型PC,7g的均聚POM,57g的ABS,8g氯含量38~40%的CPE混合均匀后,在平行双螺杆挤出机上,于70~220℃熔融挤出同时产生枝接反应,或再经过造粒,得到塑料合金1。
实施例2
将22g的双酚A型PC,10g的均聚POM,58g的ABS,10g氯含量30~32%的CPE混合均匀后,在平行双螺杆挤出机上,于70~220℃熔融挤出同时产生枝接反应,或再经过造粒,得到塑料合金2。
实施例3
将22g的双酚A型PC,7g的共聚POM,63g的ABS,8g氯含量35~37%的CPE混合均匀后,在平行双螺杆挤出机上,于70~220℃熔融挤出同时产生枝接反应,或再经过造粒,得到塑料合金3。
实施例4
将23g的双酚A型PC,10g的共聚POM,59g的ABS,8g氯含量38~40%的CPE混合均匀后,在平行双螺杆挤出机上,于70~220℃熔融挤出同时产生枝接反应,或再经过造粒,得到塑料合金4。
实施例5
将23g的双酚A型PC,8g的共聚POM,58g的ABS,9g氯含量30~32%的CPE混合均匀后,在平行双螺杆挤出机上,于70~220℃熔融挤出同时产生枝接反应,或再经过造粒,得到塑料合金5。
实施例1~5得到的塑料合金与POM性能的比较如表1所示:
表1、材料的性能指标比较表
由表1可见,上述塑料合金密度低,成本低,热变形温度高,拉伸强度、抗冲击能力和耐磨能力强,可作为工业、运输业中使用的耐磨材料;较好的,可作为重轨或钢材运输用转向架防滑耐磨垫板使用。

Claims (9)

1.一种塑料合金,其特征在于,由四种组分经熔融挤出同时产生接枝反应生成的,四种组分的重量百分比如下:
PC 22-28%,POM 7-10%,ABS 57-63%,CPE 8-10%。
2.根据权利要求1所述的一种塑料合金,其特征在于,所述PC的酯基结构为脂肪族、芳香族或脂肪族-芳香族。
3.根据权利要求1或2所述的一种塑料合金,其特征在于,所述PC为双酚A型PC。
4.根据权利要求1所述的一种塑料合金,其特征在于,所述POM为均聚甲醛或共聚甲醛树脂。
5.根据权利要求1所述的一种塑料合金,其特征在于,所述CPE中氯含量为30~40%。
6.权利要求1所述的塑料合金的制备方法,其特征在于,上述四种组分按比例混合均匀后,经过熔融挤出,或再经过造粒,得到塑料合金。
7.根据权利要求6所述的塑料合金的制备方法,其特征在于,所述熔融挤出的具体方法为:在平行双螺杆挤出机上,于70~220℃温度下挤出。
8.权利要求1所述的塑料合金的用途,其特征在于,所述塑料合金作为工业、运输业中使用的耐磨材料。
9.根据权利要求8所述的塑料合金的用途,其特征在于,所述塑料合金作为重轨或钢材运输用转向架防滑耐磨垫板使用。
CN201710609624.7A 2017-07-25 2017-07-25 一种塑料合金及其制备方法和用途 Pending CN107236244A (zh)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200995691Y (zh) * 2007-01-12 2007-12-26 董久红 重轨或钢材运输用转向架防滑耐磨垫板
CN105860489A (zh) * 2016-06-13 2016-08-17 上海金山锦湖日丽塑料有限公司 低摩擦系数pc/abs合金材料及其制备方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200995691Y (zh) * 2007-01-12 2007-12-26 董久红 重轨或钢材运输用转向架防滑耐磨垫板
CN105860489A (zh) * 2016-06-13 2016-08-17 上海金山锦湖日丽塑料有限公司 低摩擦系数pc/abs合金材料及其制备方法

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Application publication date: 20171010