CN103881332A - 玻纤增强pbt/pc合金材料及其制备方法 - Google Patents

玻纤增强pbt/pc合金材料及其制备方法 Download PDF

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CN103881332A
CN103881332A CN201210561622.2A CN201210561622A CN103881332A CN 103881332 A CN103881332 A CN 103881332A CN 201210561622 A CN201210561622 A CN 201210561622A CN 103881332 A CN103881332 A CN 103881332A
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pbt
alloy material
fiber glass
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Qingdao Xinzhan Plastic Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • B29B9/14—Making granules characterised by structure or composition fibre-reinforced
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7461—Combinations of dissimilar mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/88—Adding charges, i.e. additives
    • B29B7/90—Fillers or reinforcements, e.g. fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
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    • B29C2948/9259—Angular velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92695—Viscosity; Melt flow index [MFI]; Molecular weight
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
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Abstract

本发明公开了一种玻纤增强PBT/PC合金材料及其制备方法。本发明的玻纤增强PBT/PC合金材料，其组分按质量百分数配比为：PBT 20%～60%、PC 20%～60%、玻璃纤维10%～30%、相容剂0.5%～2%、亚磷酸三苯酯0.5%～1%、润滑剂0.1%～2%、抗氧剂0.1%～1%。本发明的有益效果是，与现有技术相比，本发明采用添加玻璃纤维改性的PBT/PC合金材料不仅兼备有PBT和PC各自的优点，具有优良的综合性能，其相容性好，而且玻纤增强显著地提高了材料的冲击强度、拉伸强度、弯曲强度以及热变形温度等，具有很好的应用前景。

Description

玻纤增强PBT/PC合金材料及其制备方法
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PBT/PC合金材料及其制备方法。
背景技术
聚对苯二甲酸丁二醇酯（PBT）具有结晶速度快、易高速成型、耐候性、电性能佳等优点，填充玻璃纤维可大幅度提高其物理性能，但存在着缺口冲击强度低、高温下刚性差等缺点，从而限制了其实际应用。因PBT与很多树脂具有较好的相容性，因此共混成为PBT改性的主要方法之一。以PBT为主要组分的PBT/PC共混体系具有独特的应用性能，如高刚性、高抗冲击性、可焊接性及优良的涂装性能，颇具实用前景。
发明内容
本发明的目的在于提供一种具有抗冲击性能好、机械强度高、耐热性能优良的玻纤增强PBT/PC合金材料及其制备方法。
本发明解决其技术问题所采用的技术方案是：玻纤增强PBT/PC合金材料，其组分按质量百分数配比为：PBT 20%～60%、PC 20%～60%、玻璃纤维10%～30%、相容剂0.5%～2%、亚磷酸三苯酯0.5%～1%、润滑剂0.1%～2%、抗氧剂0.1%～1%。
所述的PBT为聚对苯二甲酸丁二醇酯，相对分子量在3000～3500之间。
所述的PC为聚碳酸酯，相对分子量在2800～3600之间。
所述的玻璃纤维为表面经硅烷偶联剂处理过的无碱玻璃纤维。
所述的相容剂为乙烯-丙烯酸甲酯-甲基丙烯酸缩水甘油酯三元共聚物（E-MA-GMA）、乙烯-丙烯酸乙酯-甲基丙烯酸缩水甘油酯共聚物（E-EA-GMA）、甲基丙烯酸甲酯-甲基丙烯酸缩水甘油酯-丙烯乙酯三元聚合物（MGE）、乙烯-辛烯共聚物（POE）、苯乙烯-顺丁烯二酸酐共聚物（SMA）中的一种。
所述的润滑剂为EVA蜡、OP蜡、TAS-2A、乙撑双硬脂酸酰胺（EBS）、硬酯酸钙中的一种。
所述的抗氧剂为受阻酚抗氧剂1010或1076与亚磷酸酯类抗氧剂168的复配物。
上述的玻纤增强PBT/PC合金材料的制备方法，包括以下步骤：
（1）将PBT在130℃～150℃下干燥3～4小时，含水率控制在0.03%以下，待用；
（2）将PC在120℃～130℃下干燥3～4小时，含水率控制在0.02%以下，待用；
（3）按重量配比称取干燥处理后的PBT和PC加入高速混合机，混合均匀，再加入按重量配比称取的相容剂、亚磷酸三苯酯、润滑剂和抗氧剂，使一起充分混合5～15分钟；
（4）再将上述混合均匀的物料加入双螺杆挤出机的主喂料口，并将按重量配比称取的表面经硅烷偶联剂处理过的玻璃纤维从双螺杆挤出机的侧喂料口加入，加工温度控制在210℃～255℃，螺杆转速为120～600转/分钟，通过双螺杆挤出机的剪切、混炼、挤出，再进行冷却、风干、切粒、干燥即得本发明的玻纤增强PBT/PC合金材料。
本发明加入亚磷酸三苯酯的目的是抑制PBT与PC之间的酯交换反应的发生。
本发明的有益效果是，与现有技术相比，本发明采用添加玻璃纤维改性的PBT/PC合金材料不仅兼备有PBT和PC各自的优点，具有优良的综合性能，其相容性好，而且玻纤增强显著地提高了材料的冲击强度、拉伸强度、弯曲强度以及热变形温度等，具有很好的应用前景。本发明提出的玻纤增强PBT/PC合金材料的制备方法简单，操作方便，成本低。
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PBT/PC合金材料，其组分按质量百分数配比为：PBT 40%、PC 30%、表面经硅烷偶联剂处理过的无碱玻璃纤维26%、乙烯-丙烯酸甲酯-甲基丙烯酸缩水甘油酯三元共聚物（E-MA-GMA）1%、亚磷酸三苯酯1%、EVA蜡1.5%、受阻酚抗氧剂1010与亚磷酸酯类抗氧剂168的复配物0.5%。其中，所述的PBT为聚对苯二甲酸丁二醇酯，相对分子量在3000～3500之间。所述的PC为聚碳酸酯，相对分子量在2800～3600之间。
制备方法：（1）将PBT在130℃～150℃下干燥3～4小时，含水率控制在0.03%以下，待用；（2）将PC在120℃～130℃下干燥3～4小时，含水率控制在0.02%以下，待用；（3）按重量配比称取干燥处理后的PBT和PC加入高速混合机，混合均匀，再加入按重量配比称取的乙烯-丙烯酸甲酯-甲基丙烯酸缩水甘油酯三元共聚物（E-MA-GMA）、亚磷酸三苯酯、EVA蜡和受阻酚抗氧剂1010与亚磷酸酯类抗氧剂168的复配物，使一起充分混合5～15分钟；（4）再将上述混合均匀的物料加入双螺杆挤出机的主喂料口，并将按重量配比称取的表面经硅烷偶联剂处理过的无碱玻璃纤维从双螺杆挤出机的侧喂料口加入，加工温度控制在210℃～255℃，螺杆转速为120～600转/分钟，通过双螺杆挤出机的剪切、混炼、挤出，再进行冷却、风干、切粒、干燥即得本发明的玻纤增强PBT/PC合金材料。
实施例2：
一种玻纤增强PBT/PC合金材料，其组分按质量百分数配比为：PBT 40%、PC 40%、表面经硅烷偶联剂处理过的无碱玻璃纤维16%、乙烯-丙烯酸乙酯-甲基丙烯酸缩水甘油酯共聚物（E-EA-GMA）1%、亚磷酸三苯酯0.8%、乙撑双硬脂酸酰胺（EBS）1.2%、受阻酚抗氧剂1076与亚磷酸酯类抗氧剂168的复配物1%。其中，所述的PBT为聚对苯二甲酸丁二醇酯，相对分子量在3000～3500之间。所述的PC为聚碳酸酯，相对分子量在2800～3600之间。
制备方法：（1）将PBT在130℃～150℃下干燥3～4小时，含水率控制在0.03%以下，待用；（2）将PC在120℃～130℃下干燥3～4小时，含水率控制在0.02%以下，待用；（3）按重量配比称取干燥处理后的PBT和PC加入高速混合机，混合均匀，再加入按重量配比称取的乙烯-丙烯酸乙酯-甲基丙烯酸缩水甘油酯共聚物（E-EA-GMA）、亚磷酸三苯酯、乙撑双硬脂酸酰胺（EBS）和受阻酚抗氧剂1076与亚磷酸酯类抗氧剂168的复配物，使一起充分混合5～15分钟；（4）再将上述混合均匀的物料加入双螺杆挤出机的主喂料口，并将按重量配比称取的表面经硅烷偶联剂处理过的无碱玻璃纤维从双螺杆挤出机的侧喂料口加入，加工温度控制在210℃～255℃，螺杆转速为120～600转/分钟，通过双螺杆挤出机的剪切、混炼、挤出，再进行冷却、风干、切粒、干燥即得本发明的玻纤增强PBT/PC合金材料。

Claims (8)

1.一种玻纤增强PBT/PC合金材料，其特征在于，其组分按质量百分数配比为：PBT 20%～60%、PC 20%～60%、玻璃纤维10%～30%、相容剂0.5%～2%、亚磷酸三苯酯0.5%～1%、润滑剂0.1%～2%、抗氧剂0.1%～1%。
2.根据权利要求1所述的玻纤增强PBT/PC合金材料，其特征在于，所述的PBT为聚对苯二甲酸丁二醇酯，相对分子量在3000～3500之间。
3.根据权利要求1所述的玻纤增强PBT/PC合金材料，其特征在于，所述的PC为聚碳酸酯，相对分子量在2800～3600之间。
4.根据权利要求1所述的玻纤增强PBT/PC合金材料，其特征在于，所述的玻璃纤维为表面经硅烷偶联剂处理过的无碱玻璃纤维。
5.根据权利要求1所述的玻纤增强PBT/PC合金材料，其特征在于，所述的相容剂为乙烯-丙烯酸甲酯-甲基丙烯酸缩水甘油酯三元共聚物（E-MA-GMA）、乙烯-丙烯酸乙酯-甲基丙烯酸缩水甘油酯共聚物（E-EA-GMA）、甲基丙烯酸甲酯-甲基丙烯酸缩水甘油酯-丙烯乙酯三元聚合物（MGE）、乙烯-辛烯共聚物（POE）、苯乙烯-顺丁烯二酸酐共聚物（SMA）中的一种。
6.根据权利要求1所述的玻纤增强PBT/PC合金材料，其特征在于，所述的润滑剂为EVA蜡、OP蜡、TAS-2A、乙撑双硬脂酸酰胺（EBS）、硬酯酸钙中的一种。
7.根据权利要求1所述的玻纤增强PBT/PC合金材料，其特征在于，所述的抗氧剂为受阻酚抗氧剂1010或1076与亚磷酸酯类抗氧剂168的复配物。
8.根据权利要求1所述的玻纤增强PBT/PC合金材料的制备方法，其特征在于，包括以下步骤：
（1）将PBT在130℃～150℃下干燥3～4小时，含水率控制在0.03%以下，待用；
（2）将PC在120℃～130℃下干燥3～4小时，含水率控制在0.02%以下，待用；
（3）按重量配比称取干燥处理后的PBT和PC加入高速混合机，混合均匀，再加入按重量配比称取的相容剂、亚磷酸三苯酯、润滑剂和抗氧剂，使一起充分混合5～15分钟；
（4）再将上述混合均匀的物料加入双螺杆挤出机的主喂料口，并将按重量配比称取的表面经硅烷偶联剂处理过的玻璃纤维从双螺杆挤出机的侧喂料口加入，加工温度控制在210℃～255℃，螺杆转速为120～600转/分钟，通过双螺杆挤出机的剪切、混炼、挤出，再进行冷却、风干、切粒、干燥即得本发明的玻纤增强PBT/PC合金材料。
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CN104693767A (zh) * 2014-12-15 2015-06-10 深圳市富恒新材料股份有限公司 一种玻纤增强pc合金材料及其制备方法
CN105419294A (zh) * 2015-12-25 2016-03-23 广东威林工程塑料有限公司 一种耐大角度弯折的低浮纤增强pc/pbt合金材料及其制备方法
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CN104693767A (zh) * 2014-12-15 2015-06-10 深圳市富恒新材料股份有限公司 一种玻纤增强pc合金材料及其制备方法
CN105419294A (zh) * 2015-12-25 2016-03-23 广东威林工程塑料有限公司 一种耐大角度弯折的低浮纤增强pc/pbt合金材料及其制备方法
CN108624006A (zh) * 2017-03-26 2018-10-09 合肥杰事杰新材料股份有限公司 一种高流动玻纤增强阻燃pc/pbt合金材料及其制备方法
CN109337302A (zh) * 2018-09-30 2019-02-15 金旸（厦门）新材料科技有限公司 一种超低翘曲高抗冲玻纤增强pbt/pc/abs三元合金材料及制备方法
CN112646348A (zh) * 2020-08-10 2021-04-13 南京跃贝新材料科技有限公司 一种高硬度高耐刮擦免喷涂高光pc/pbt合金材料及制备方法
CN114874596A (zh) * 2022-06-16 2022-08-09 四川朗迪新材料有限公司 一种超韧阻燃pbt/pc合金材料及其制备方法

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