CN103724774B - 一种可压延的合金性材料及制备合金性材料薄膜的方法 - Google Patents

一种可压延的合金性材料及制备合金性材料薄膜的方法 Download PDF

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CN103724774B
CN103724774B CN201310753885.8A CN201310753885A CN103724774B CN 103724774 B CN103724774 B CN 103724774B CN 201310753885 A CN201310753885 A CN 201310753885A CN 103724774 B CN103724774 B CN 103724774B
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李忠
丁明锦
李学武
曾宪垣
朱键宇
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FSPG Hi Tech Co Ltd
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Abstract

本发明提供了一种可压延的合金性材料，按重量份数计，每100份包括下述组分：聚对苯二甲酸乙二醇酯0～60份；聚乙烯10～60份；聚丙烯5～45份；超高分子量聚乙烯0～15份；增强助剂0～10份。本发明主要是将单一结晶性材料进行共混改性，得到合金性材料，再添加润滑剂等，使得结晶性材料能够运用传统的压延工艺制造出薄膜和片材；其能提高材料的熔融强度，解决熔融状态下粘辊轮的弊端，从而达到用传统压延工艺能正常生产各种薄膜和片材；另外，本发明不添加可塑剂，弹性体，因而保证合金材料具备优秀的耐温性能；同时本发明所使用的材料不含有卤素成分，对环境无害。本发明同时提供了一种制备合金性材料薄膜的方法。

Description

一种可压延的合金性材料及制备合金性材料薄膜的方法
技术领域
本发明涉及一种可压延的合金性材料及制备合金性材料薄膜的方法。
背景技术
结晶性材料熔融强度低，压延引出下垂，无法正常生产。目前结晶性材料（如PET、PE、PP等）的薄膜产品，均采用流延法生产，此类膜产品的耐温性和二次加工受热均匀性较差，厚度不均匀。且生产领域中采用压延法的较少。单独的结晶性材料如PET、PP、PE的熔融强度低而导致压延时无法剥离，牵引成膜，这是材料本身特性决定的。
中国专利200910139070.4专利中聚烯烃压延所制得的薄膜中加入了可塑剂、弹性体，这措施一方面提高了产品的柔软性，而另一方面却降低了制品的耐温性能。
发明内容
针对现有技术的缺点，本发明的目的之一在于克服现有技术中存在的缺点，提供一种可压延的合金性材料。
本发明的另一目的在于提供制备合金性材料薄膜的方法。
一方面，为了实现上述目的，本发明提供了一种可压延的合金性材料，按重量份数计，每100份包括下述组分：
根据本发明另一具体实施方式，增强助剂为MBS和/或ABS。
根据本发明另一具体实施方式，其进一步包括0.1～10份的润滑剂。
根据本发明另一具体实施方式，润滑剂选自如下一种、或两种以上的混合：硬脂酸、硬脂酸盐、蜡类。
根据本发明另一具体实施方式，其进一步包括0.1～10份的抗氧剂。
根据本发明另一具体实施方式，抗氧剂为1010和/或1076。
根据本发明另一具体实施方式，其进一步包括0.1～5份的抗紫外吸收剂。
根据本发明另一具体实施方式，抗紫外吸收剂为UV-531和/或P助剂。
根据本发明另一具体实施方式，其进一步包括0.1～50份的填充剂。
根据本发明另一具体实施方式，填充剂选自如下一种、或两种以上的混合：碳酸钙、云母、高岭土、滑石粉。
根据本发明另一具体实施方式，其进一步包括0～50份的着色剂。
另一方面，本发明提供了一种制备合金性材料薄膜的方法，其包括如下步骤：
（1）将PE、PP、UPE、PET、MBS、ABS中两种或两种以上按比例混合，加入抗氧剂、紫外线吸收剂；放入捏合机中，于低温混炼均匀，以得所需的各种合金材料；
（2）将步骤（1）所得的合金材料按比例添加润滑剂、抗氧剂、着色剂、紫外线吸收剂、填充剂，进行胶炼，得到胶料；
（3）将步骤（2）胶炼过的胶料依次经过120℃—180℃的轧轮机A、100℃—150℃的过滤机、130℃—160℃轧轮机B、160℃—210℃四辊压延机、厚度控制在0.05—0.65mm，成型为热熔胶布；
（4）经过引取、压花、冷却定型和卷取，获得所需薄膜、片材。
该方法进一步包括步骤（5），对步骤（4）所制得的薄膜、片材进行二次加热贴合或压纹的再加工工艺。
本发明主要是将单一结晶性材料进行共混改性，得到合金性材料，再添加润滑剂等，使得结晶性材料能够运用传统的压延工艺制造出薄膜和片材；其能提高材料的熔融强度，解决熔融状态下粘辊轮的弊端，从而达到用传统压延工艺能正常生产各种薄膜和片材；另外，本发明不添加可塑剂，弹性体，因而保证合金材料具备优秀的耐温性能；同时本发明所使用的材料不含有卤素成分，对环境无害。
具体实施方式
实施例1-7以及比较例1-3的组成如表1所示。
实施例1-7以及比较例1-3的物理性能如表2所示。
其中，实施例1中制备合金性材料薄膜的步骤如下：
通过捏合机对结晶材料合金处理；通过万马力合金材料、抗氧剂、填充剂胶炼；通过轧轮机A再一次均匀炼胶；通过过滤机过滤杂质；通过轧轮机B使胶料保温上料压延机；通过压延机抽出所需厚度薄膜片材；按所需压花纹；通过冷却对薄膜片材定型；卷取成品。
表1
表2
虽然本发明以较佳实施例揭露如上，但并非用以限定本发明实施的范围。任何本领域的普通技术人员，在不脱离本发明的发明范围内，当可作些许的改进，即凡是依照本发明所做的同等改进，应为本发明的范围所涵盖。

Claims (2)

1.一种可压延的合金性材料薄膜，按照如下方法制备，其包括如下步骤：
(1)将PE、PP、UPE、PET按比例混合；放入捏合机中，于低温混炼均匀，以得到所需的各种合金材料；
(2)将步骤(1)所得的合金材料按比例添加润滑剂、抗氧剂、着色剂、紫外线吸收剂、填充剂，进行胶炼，得到胶料；
(3)将步骤(2)胶炼过的胶料依次经过120℃-180℃的轧轮机A、100℃-150℃的过滤机、130℃-160℃轧轮机B、160℃-210℃四辊压延机、厚度控制在0.05-0.65mm，成型为热熔胶布；
(4)经过引取、压花、冷却定型和卷取，获得所需薄膜、片材；
其中，所述UPE为超高分子量聚乙烯；所述润滑剂为硬脂酸和褐煤蜡的混合物；所述抗氧剂为1010；所述着色剂为TiO2；所述紫外线吸收剂为UV-531助剂；所述填充剂为碳酸钙；
其中，各组份按重量份数计如下:
PP 50份、PE 50份、UPE 5份、PET 10份、硬脂酸1.5份、褐煤蜡0.5份、抗氧剂0.8份、着色剂12份、紫外线吸收剂0.5份、填充剂30份。
2.如权利要求1所述的可压延的合金性材料薄膜，其中所述方法进一步包括步骤(5)，对步骤(4)所制得的薄膜、片材进行二次加热贴合或压纹的再加工工艺。
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CN105385038A (zh) * 2015-12-22 2016-03-09 吉翔宝（太仓）离型材料科技发展有限公司 一种复合离型膜
CN106243501B (zh) * 2016-08-18 2018-12-07 江苏绿洲园艺绿化有限公司 一种耐老化透气防雾化园艺用膜的制备方法
CN106751311A (zh) * 2016-12-22 2017-05-31 佛山市三水长丰塑胶有限公司 Pmma改性薄膜及其生产方法
CN107365484A (zh) * 2017-08-25 2017-11-21 广东壹豪新材料科技股份有限公司 一种pet/uhmwpe复合材料及其制备方法

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