CN104693721A - 玻纤增强高韧改性pc和pet合金材料 - Google Patents

玻纤增强高韧改性pc和pet合金材料 Download PDF

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CN104693721A
CN104693721A CN201310639514.7A CN201310639514A CN104693721A CN 104693721 A CN104693721 A CN 104693721A CN 201310639514 A CN201310639514 A CN 201310639514A CN 104693721 A CN104693721 A CN 104693721A
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alloy material
pet
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pet alloy
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Qingdao Jiayiyang Industry and Trade Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00Making granules
    • B29B9/02Making granules by dividing preformed material
    • B29B9/06Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/9258Velocity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92704Temperature
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/002Physical properties
    • C08K2201/003Additives being defined by their diameter
    • 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
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/53Core-shell polymer

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

本发明公开了一种玻纤增强高韧改性PC和PET合金材料,其组分按质量百分数配比为:PC40%~70%、PET5%~30%、无碱玻璃纤维5%~15%、抗冲击改性剂5%~10%、相容剂2%~4%、防玻纤外露剂0.3%~1.5%、抗氧剂0.1%~0.5%、其它助剂0~2%。本发明的有益效果是,本发明的玻纤增强高韧改性PC和PET合金材料加工性能优良,耐化学腐蚀性强,制品表面的光泽度好,低温缺口冲击强度、拉伸强度及弯曲强度良好,热稳定性高,成本低,是一种综合性能优异的合金塑料,可广泛应用于电子电器、交通运输、通讯器材等领域。

Description

玻纤增强高韧改性PC和PET合金材料
技术领域
本发明涉及高分子材料技术领域,具体地说是一种玻纤增强高韧改性PC和PET合金材料。
背景技术
聚碳酸酯(PC)是分子链中含有碳酸酯的一类聚合物,具有特别好的抗冲击强度、热稳定性、光泽度,是五大通用工程塑料之一,其产品和消费量仅次于尼龙工程塑料,居第二位。但是PC存在熔体粘度很高,成型加工困难以及耐溶剂性差等缺点,成本也高。聚对苯二甲酸乙二醇酯(PET)是半结晶材料,有非常好的化学稳定性、机械强度、电绝缘特性和热稳定性,尤其耐油性和耐溶剂性能优异,但PET单独使用存在耐热性差、冲击强度不高等缺点。由于PC和PET的相容性比较差,导致PC和PET共混合金的韧性比较差,而且刚性也不好,从而限制了PC和PET合金材料的应用。因此在PC和PET合金材料中加入第三组分,以改进其强度、韧性是很有必要的。
发明内容
本发明的目的在于提供一种玻纤增强高韧改性PC和PET合金材料。
本发明解决其技术问题所采用的技术方案是:玻纤增强高韧改性PC和PET合金材料,其组分按质量百分数配比为:PC 40%~70%、PET 5%~30%、无碱玻璃纤维5%~15%、抗冲击改性剂5%~10%、相容剂2%~4%、防玻纤外露剂0.3%~1.5%、抗氧剂0.1%~0.5%、其它助剂0~2%。
所述的PC为双酚A型芳香族聚碳酸酯,其相对密度为1.20~1.22g/cm3
所述的PET为聚对苯二甲酸乙二醇酯,其特征粘度为0.6~0.9dL/g。
所述的无碱玻璃纤维为直径在8~15mm和表面经过硅烷偶联剂处理后的无碱玻璃纤维。
所述的抗冲击改性剂为具有核壳结构的抗冲击改性剂,选自苯乙烯-丁二烯-甲基丙烯酸酯三元聚合物(MBS)或甲基丙烯酸酯-丙烯酸酯共聚物(ACR)。
所述的相容剂为苯乙烯-丙烯腈-甲基丙烯酸水甘油酯(SAG)。
所述的防玻纤外露剂为改性乙撑双脂肪酸酰胺(TAF)。
所述的抗氧剂为抗氧剂1010、抗氧剂1076、抗氧剂1010或抗氧剂1076与抗氧剂168的复配物。
所述的其它助剂为润滑剂、稳定剂、抗静电剂中的一种或几种。
上述的玻纤增强高韧改性PC和PET合金材料的制备方法,包括以下步骤:
(1)、将PC在鼓风干燥机中于110℃~130℃温度下干燥3~4小时,PET在130℃~150℃下干燥3~4小时,待用;
(2)、将按重量配比称取干燥后的PC和PET,加入混合机中搅拌2~5分钟,然后加入按重量配比称的抗冲击改性剂、相容剂、防玻纤外露剂、抗氧剂和其它助剂,继续搅拌10~25分钟,使充分混合均匀后出料,待用;
(3)、将步骤(2)的混合料加入双螺杆挤出机的主喂料口,将按重量配比称取的无碱玻璃纤维加入双螺杆挤出机的侧喂料口,控制加工温度在225℃~270℃,螺杆转速180~350rpm,通过双螺杆挤出机熔融共混后挤出、冷却造粒,即得成品。
本发明的有益效果是,本发明的玻纤增强高韧改性PC和PET合金材料加工性能优良,耐化学腐蚀性强,制品表面的光泽度好,低温缺口冲击强度、拉伸强度及弯曲强度良好,热稳定性高,成本低,是一种综合性能优异的合金塑料,可广泛应用于电子电器、交通运输、通讯器材等领域。
具体实施方式
下面结合具体实施例来进一步说明本发明的技术方案。
实施例1:
一种玻纤增强高韧改性PC和PET合金材料,其组分按质量百分数配比为:PC 40%、PET 30%、无碱玻璃纤维15%、苯乙烯-丁二烯-甲基丙烯酸酯三元聚合物(MBS)10%、苯乙烯-丙烯腈-甲基丙烯酸水甘油酯(SAG)3%、改性乙撑双脂肪酸酰胺(TAF)1%、抗氧剂1010 0.4%、润滑剂0.6%。其中,所述的PC为双酚A型芳香族聚碳酸酯,其相对密度为1.20~1.22g/cm3;所述的PET为聚对苯二甲酸乙二醇酯,其特征粘度为0.6~0.9dL/g;所述的无碱玻璃纤维为直径在8~15mm和表面经过硅烷偶联剂处理后的无碱玻璃纤维。
制备方法:(1)、将PC在鼓风干燥机中于110℃~130℃温度下干燥3~4小时,PET在130℃~150℃下干燥3~4小时,待用;(2)、将按重量配比称取干燥后的PC和PET,加入混合机中搅拌2~5分钟,然后加入按重量配比称的苯乙烯-丁二烯-甲基丙烯酸酯三元聚合物(MBS)、苯乙烯-丙烯腈-甲基丙烯酸水甘油酯(SAG)、改性乙撑双脂肪酸酰胺(TAF)、抗氧剂1010和润滑剂,继续搅拌10~25分钟,使充分混合均匀后出料,待用;(3)、将步骤(2)的混合料加入双螺杆挤出机的主喂料口,将按重量配比称取的无碱玻璃纤维加入双螺杆挤出机的侧喂料口,控制加工温度在225℃~270℃,螺杆转速180~350rpm,通过双螺杆挤出机熔融共混后挤出、冷却造粒,即得成品。
实施例2:
一种玻纤增强高韧改性PC和PET合金材料,其组分按质量百分数配比为:PC 54%、PET 25%、无碱玻璃纤维10%、甲基丙烯酸酯-丙烯酸酯共聚物(ACR)5%、苯乙烯-丙烯腈-甲基丙烯酸水甘油酯(SAG)4%、改性乙撑双脂肪酸酰胺(TAF)1.5%、抗氧剂1010与抗氧剂168的复配物0.5%。其中,所述的PC为双酚A型芳香族聚碳酸酯,其相对密度为1.20~1.22g/cm3;所述的PET为聚对苯二甲酸乙二醇酯,其特征粘度为0.6~0.9dL/g;所述的无碱玻璃纤维为直径在8~15mm和表面经过硅烷偶联剂处理后的无碱玻璃纤维。
制备方法:(1)、将PC在鼓风干燥机中于110℃~130℃温度下干燥3~4小时,PET在130℃~150℃下干燥3~4小时,待用;(2)、将按重量配比称取干燥后的PC和PET,加入混合机中搅拌2~5分钟,然后加入按重量配比称的甲基丙烯酸酯-丙烯酸酯共聚物(ACR)、苯乙烯-丙烯腈-甲基丙烯酸水甘油酯(SAG)、改性乙撑双脂肪酸酰胺(TAF)、抗氧剂1010与抗氧剂168的复配物,继续搅拌10~25分钟,使充分混合均匀后出料,待用;(3)、将步骤(2)的混合料加入双螺杆挤出机的主喂料口,将按重量配比称取的无碱玻璃纤维加入双螺杆挤出机的侧喂料口,控制加工温度在225℃~270℃,螺杆转速180~350rpm,通过双螺杆挤出机熔融共混后挤出、冷却造粒,即得成品。

Claims (7)

1.一种玻纤增强高韧改性PC和PET合金材料,其特征在于,其组分按质量百分数配比为:PC 40%~70%、PET 5%~30%、无碱玻璃纤维5%~15%、抗冲击改性剂5%~10%、相容剂2%~4%、防玻纤外露剂0.3%~1.5%、抗氧剂0.1%~0.5%、其它助剂0~2%。
2.根据权利要求1所述的玻纤增强高韧改性PC和PET合金材料,其特征在于,所述的无碱玻璃纤维为直径在8~15mm和表面经过硅烷偶联剂处理后的无碱玻璃纤维。
3.根据权利要求1所述的玻纤增强高韧改性PC和PET合金材料,其特征在于,所述的抗冲击改性剂为具有核壳结构的抗冲击改性剂,选自苯乙烯-丁二烯-甲基丙烯酸酯三元聚合物(MBS)或甲基丙烯酸酯-丙烯酸酯共聚物(ACR)。
4.根据权利要求1所述的玻纤增强高韧改性PC和PET合金材料,其特征在于,所述的相容剂为苯乙烯-丙烯腈-甲基丙烯酸水甘油酯(SAG)。
5.根据权利要求1所述的玻纤增强高韧改性PC和PET合金材料,其特征在于,所述的防玻纤外露剂为改性乙撑双脂肪酸酰胺(TAF)。
6.根据权利要求1所述的玻纤增强高韧改性PC和PET合金材料,其特征在于,所述的抗氧剂为抗氧剂1010、抗氧剂1076、抗氧剂1010或抗氧剂1076与抗氧剂168的复配物。
7.根据权利要求1所述的玻纤增强高韧改性PC和PET合金材料的制备方法,其特征在于,包括以下步骤:
(1)、将PC在鼓风干燥机中于110℃~130℃温度下干燥3~4小时,PET在130℃~150℃下干燥3~4小时,待用;
(2)、将按重量配比称取干燥后的PC和PET,加入混合机中搅拌2~5分钟,然后加入按重量配比称的抗冲击改性剂、相容剂、防玻纤外露剂、抗氧剂和其它助剂,继续搅拌10~25分钟,使充分混合均匀后出料,待用;
(3)、将步骤(2)的混合料加入双螺杆挤出机的主喂料口,将按重量配比称取的无碱玻璃纤维加入双螺杆挤出机的侧喂料口,控制加工温度在225℃~270℃,螺杆转速180~350rpm,通过双螺杆挤出机熔融共混后挤出、冷却造粒,即得成品。
CN201310639514.7A 2013-12-04 2013-12-04 玻纤增强高韧改性pc和pet合金材料 Pending CN104693721A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115521598A (zh) * 2021-06-25 2022-12-27 广州视源电子科技股份有限公司 一种抗菌耐划伤pc/聚酯复合材料及其制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115521598A (zh) * 2021-06-25 2022-12-27 广州视源电子科技股份有限公司 一种抗菌耐划伤pc/聚酯复合材料及其制备方法

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