CN104845325A - 一种玻纤增强的pc/ptt合金材料 - Google Patents

一种玻纤增强的pc/ptt合金材料 Download PDF

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CN104845325A
CN104845325A CN201410739120.3A CN201410739120A CN104845325A CN 104845325 A CN104845325 A CN 104845325A CN 201410739120 A CN201410739120 A CN 201410739120A CN 104845325 A CN104845325 A CN 104845325A
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alloy material
ptt
fiberglass reinforced
ptt alloy
glass fibre
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不公告发明人
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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
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/002Physical properties
    • C08K2201/004Additives being defined by their length
    • 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
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • 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

Abstract

本发明公开了一种玻纤增强的PC/PTT合金材料,其组分按质量百分数配比为:PC40%~70%、PTT20%~40%、玻璃纤维8%~12%、增塑剂3%~8%、相容剂2%~4%、光稳定剂0.5%~2%、抗氧剂0.1%~0.5%、防玻纤外露剂0.5%~1%,所述增塑剂为聚对苯二甲酸丁二酯-聚环氧乙烷-聚环氧丙烷三嵌段共聚物。本发明的有益效果是,本发明综合了PC和PTT的优点,还明显提高了拉伸强度、抗冲击强度、弯曲强度、耐老化性和加工性等优点,而且低翘曲、尺寸稳定性好,耐化学性强,外观良好,成本低,适应性广。

Description

一种玻纤增强的PC/PTT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的PC/PTT合金材料。
背景技术
聚碳酸酯(PC)因分子刚性及空间位阻较大,其熔融温度较高,加工困难,难以制得大型薄壁制品,且制品残余应力大,易发生应力开裂,并且PC对缺口敏感,耐水解稳定性和耐溶剂性不好,这些缺陷使得PC在实际应用中受到限制。聚对苯二甲酸丙二醇酯(PTT)是一种结晶速度快的新型聚酯材料,易于实现高速成型,且具有优异的耐溶剂性,但其制品的成型收缩率大,存在缺口冲击强度低、高温下刚性不足等缺点。将PC与PTT共混改性制成PC/PTT合金,可克服PC耐化学性差、成型加工困难等不足,亦可弥补PTT耐热性差、冲击性能不高、成型收缩率大等缺陷,PC/PTT合金在汽车、家用电器、电子电气、体育用品等方面具有广泛用途。但由于PC为非结晶聚合物,PC/PTT属于典型的非结晶与结晶共混体系,导致其存在界面粘结不良、冲击强度较低、力学性能不好、耐老化性不足等缺陷,这将极大地限制了PC/PTT合金在各个领域中的应用效果和应用范围。
发明内容
本发明的目的在于提供一种力学强度高、外观良好和成本低廉的玻纤增强的PC/PTT合金材料。
本发明解决其技术问题所采用的技术方案是:一种玻纤增强的PC/PTT合金材料,其组分按质量百分数配比为:PC 40%~70%、PTT 20%~40%、玻璃纤维8%~12%、增塑剂3%~8%、相容剂2%~4%、光稳定剂0.5%~2%、抗氧剂0.1%~0.5%、防玻纤外露剂0.5%~1%。
所述PC为重均分子量在20000~30000g/mol的双酚A型芳香族聚碳酸酯。
所述PTT为特性黏度0.7~1.1dL/g的聚对苯二甲酸丙二醇酯。
所述玻璃纤维为表面经过硅烷偶联剂改性处理、且直径在8~12μm、长度在3~6mm范围内的无碱玻璃纤维。
所述增塑剂为聚对苯二甲酸丁二酯-聚环氧乙烷-聚环氧丙烷三嵌段共聚物。
所述相容剂为乙烯-丙烯酸乙酯-甲基丙烯酸缩水甘油酯三嵌段共聚物。
所述光稳定剂为质量比1:1的受阻胺类高分子量光稳定剂GW-944Z与GW-622的复配物。
所述抗氧剂为质量比1:1的受阻酚类抗氧剂1010或1076与亚磷酸酯类抗氧剂168的复配物。
所述防玻纤外露剂为改性乙撑双脂肪酸酰胺。
上述的一种玻纤增强的PC/PTT合金材料的制备方法,包括以下步骤:
(1)、按重量配比称取各组分;
(2)、除玻璃纤维外,将其它组分加入高混机中混合3~5分钟;
(3)、出料,将步骤(2)混合的物料加入双螺杆挤出机的主喂料口、并从双螺杆挤出机的侧喂料口按重量配比加入玻璃纤维进行融熔挤出造粒,控制螺杆转速为180~600r/min,温度为210℃~280℃,即得本发明的一种玻纤增强的PC/PTT合金材料。
本发明的有益效果是,本发明综合了PC和PTT的优点,还明显提高了拉伸强度、抗冲击强度、弯曲强度、耐老化性和加工性等优点,而且低翘曲、尺寸稳定性好,耐化学性强,外观良好,成本低,适应性广。
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:
一种玻纤增强的PC/PTT合金材料,其组分按质量百分数配比为:PC 54%、PTT 20%、玻璃纤维12%、聚对苯二甲酸丁二酯-聚环氧乙烷-聚环氧丙烷三嵌段共聚物8%、乙烯-丙烯酸乙酯-甲基丙烯酸缩水甘油酯三嵌段共聚物3%、光稳定剂1.5%、抗氧剂0.5%、改性乙撑双脂肪酸酰胺1%,所述PC为重均分子量在20000~30000g/mol的双酚A型芳香族聚碳酸酯,所述PTT为特性黏度0.7~1.1dL/g的聚对苯二甲酸丙二醇酯,所述玻璃纤维为表面经过硅烷偶联剂改性处理、且直径在8~12μm、长度在3~6mm范围内的无碱玻璃纤维,所述光稳定剂为质量比1:1的受阻胺类高分子量光稳定剂GW-944Z与GW-622的复配物,所述抗氧剂为质量比1:1的受阻酚类抗氧剂1010与亚磷酸酯类抗氧剂168的复配物。
制备方法:(1)、按重量配比称取各组分;(2)、除玻璃纤维外,将其它组分加入高混机中混合3~5分钟;(3)、出料,将步骤(2)混合的物料加入双螺杆挤出机的主喂料口、并从双螺杆挤出机的侧喂料口按重量配比加入玻璃纤维进行融熔挤出造粒,控制螺杆转速为180~600r/min,温度为210℃~280℃,即得本发明的一种玻纤增强的PC/PTT合金材料。
实施例2:
一种玻纤增强的PC/PTT合金材料,其组分按质量百分数配比为:PC 40%、PTT 40%、玻璃纤维8%、聚对苯二甲酸丁二酯-聚环氧乙烷-聚环氧丙烷三嵌段共聚物6%、乙烯-丙烯酸乙酯-甲基丙烯酸缩水甘油酯三嵌段共聚物4%、光稳定剂0.8%、抗氧剂0.2%、改性乙撑双脂肪酸酰胺1%,所述PC为重均分子量在20000~30000g/mol的双酚A型芳香族聚碳酸酯,所述PTT为特性黏度0.7~1.1dL/g的聚对苯二甲酸丙二醇酯,所述玻璃纤维为表面经过硅烷偶联剂改性处理、且直径在8~12μm、长度在3~6mm范围内的无碱玻璃纤维,所述光稳定剂为质量比1:1的受阻胺类高分子量光稳定剂GW-944Z与GW-622的复配物,所述抗氧剂为质量比1:1的受阻酚类抗氧剂1076与亚磷酸酯类抗氧剂168的复配物。
制备方法:(1)、按重量配比称取各组分;(2)、除玻璃纤维外,将其它组分加入高混机中混合3~5分钟;(3)、出料,将步骤(2)混合的物料加入双螺杆挤出机的主喂料口、并从双螺杆挤出机的侧喂料口按重量配比加入玻璃纤维进行融熔挤出造粒,控制螺杆转速为180~600r/min,温度为210℃~280℃,即得本发明的一种玻纤增强的PC/PTT合金材料。

Claims (7)

1.一种玻纤增强的PC/PTT合金材料,其特征在于,其组分按质量百分数配比为:PC 40%~70%、PTT 20%~40%、玻璃纤维8%~12%、增塑剂3%~8%、相容剂2%~4%、光稳定剂0.5%~2%、抗氧剂0.1%~0.5%、防玻纤外露剂0.5%~1%。
2.根据权利要求1所述的一种玻纤增强的PC/PTT合金材料,其特征在于,所述玻璃纤维为表面经过硅烷偶联剂改性处理、且直径在8~12μm、长度在3~6mm范围内的无碱玻璃纤维。
3.根据权利要求1所述的一种玻纤增强的PC/PTT合金材料,其特征在于,所述增塑剂为聚对苯二甲酸丁二酯-聚环氧乙烷-聚环氧丙烷三嵌段共聚物。
4.根据权利要求1所述的一种玻纤增强的PC/PTT合金材料,其特征在于,所述相容剂为乙烯-丙烯酸乙酯-甲基丙烯酸缩水甘油酯三嵌段共聚物。
5.根据权利要求1所述的一种玻纤增强的PC/PTT合金材料,其特征在于,所述光稳定剂为质量比1:1的受阻胺类高分子量光稳定剂GW-944Z与GW-622的复配物。
6.根据权利要求1所述的一种玻纤增强的PC/PTT合金材料,其特征在于,所述抗氧剂为质量比1:1的受阻酚类抗氧剂1010或1076与亚磷酸酯类抗氧剂168的复配物。
7.根据权利要求1所述的一种玻纤增强的PC/PTT合金材料的制备方法,其特征在于,包括以下步骤:
(1)、按重量配比称取各组分;
(2)、除玻璃纤维外,将其它组分加入高混机中混合3~5分钟;
(3)、出料,将步骤(2)混合的物料加入双螺杆挤出机的主喂料口、并从双螺杆挤出机的侧喂料口按重量配比加入玻璃纤维进行融熔挤出造粒,控制螺杆转速为180~600r/min,温度为210℃~280℃,即得本发明的一种玻纤增强的PC/PTT合金材料。
CN201410739120.3A 2014-12-08 2014-12-08 一种玻纤增强的pc/ptt合金材料 Pending CN104845325A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110041668A (zh) * 2019-03-29 2019-07-23 苏州威瑞成新材料有限公司 一种高刚性增强无卤阻燃ptt/pc合金材料

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110041668A (zh) * 2019-03-29 2019-07-23 苏州威瑞成新材料有限公司 一种高刚性增强无卤阻燃ptt/pc合金材料

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Application publication date: 20150819