CN100532444C - 高β晶含量聚丙烯膜片及其制备方法 - Google Patents
高β晶含量聚丙烯膜片及其制备方法 Download PDFInfo
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- CN100532444C CN100532444C CNB2006100118846A CN200610011884A CN100532444C CN 100532444 C CN100532444 C CN 100532444C CN B2006100118846 A CNB2006100118846 A CN B2006100118846A CN 200610011884 A CN200610011884 A CN 200610011884A CN 100532444 C CN100532444 C CN 100532444C
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聚丙烯β成核剂 | 聚丙烯β成核剂粒径(μm) | 聚丙烯β成核剂含量(wt%) | 熔体拉伸温度(℃) | 熔体拉伸速度(m/min) | 熔体拉伸倍数(倍) | |
实施例1a | 辛二酸的钙盐 | 0.3 | 0.05 | 220 | 2 | 2 |
实施例1b | 辛二酸的钙盐 | 0.3 | 0.05 | 220 | 40 | 40 |
实施例2a | 辛二酸的钙盐 | 10 | 0.05 | 220 | 2 | 2 |
实施例2b | 辛二酸的钙盐 | 10 | 0.05 | 220 | 40 | 40 |
实施例3 | 庚二酸的钙盐 | 5 | 0.1 | 170 | 50 | 10 |
实施例4 | N,N-二环己基对苯二甲酰胺 | 0.05 | 5 | 190 | 20 | 50 |
实施例5 | γ-奎丫啶 | 5 | 1 | 200 | 2 | 40 |
实施例6 | N,N-二环己基-2,6萘二酰胺 | 5 | 3 | 170 | 50 | 50 |
对照例1 | 辛二酸的钙盐 | 5 | 0.1 | 220 | 20 | 10 |
对照例2 | 辛二酸的钙盐 | 5 | 0.5 | 170 | 20 | 10 |
对照例3 | 辛二酸的钙盐 | 10 | 0.5 | 220 | 20 | 40 |
对照例4 | 己二酸的联氨盐 | 5 | 5 | 220 | 50 | 40 |
膜片厚度(μm) | 结晶温度(℃) | 结晶时间(min) | 聚丙烯中β晶含量K值 | β晶的平均直径(μm) | 拉伸后得到的微孔膜性能 | 备注 | |
实施例1a | 250 | 125 | 0.5 | 0.85 | 13 | 结构均匀、连续 | |
实施例1b | 12.5 | 140 | 3 | 0.88 | 20 | 结构均匀、连续 | |
实施例2a | 250 | 130 | 5 | 0.8 | 75 | 结构均匀、连续 | |
实施例2b | 12.5 | 90 | 0.5 | 0.85 | 50 | 表面出现大量孔洞 | 成核剂的粒径为膜片厚度的4/5 |
实施例3 | 50 | 100 | 3 | 0.85 | 62 | 结构均匀、连续 | |
实施例4 | 1000 | 130 | 4 | 0.95 | 5.5 | 结构均匀、连续 | |
实施例5 | 500 | 90 | 5 | 0.92 | 47 | 结构均匀、连续 | |
实施例6 | 10 | 130 | 2 | 0.92 | 76 | 结构均匀、连续 | |
对照例1 | 10 | 130 | 0.5 | 0.9 | 70 | 表面出现大量孔洞 | 成核剂的粒径为膜片厚度的2/5 |
对照例2 | 50 | 60 | 5 | 0.48 | 30 | 微孔很少 | β晶含量低 |
对照例3 | 50 | 40 | 5 | 0.32 | 58 | 微孔很少 | β晶含量低 |
对照例4 | 100 | 150 | 5 | 0.43 | 110 | 微孔很少,且膜容易破裂 | β晶含量低,球晶直径过大 |
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Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102010018374A1 (de) * | 2010-04-26 | 2011-10-27 | Treofan Germany Gmbh & Co. Kg | Hochporöse Separator-Folie |
CN102403478A (zh) * | 2010-09-16 | 2012-04-04 | 铜陵晶能电子股份有限公司 | 一种高透性低密度锂电池聚烯烃隔膜的生产方法 |
CN102603941B (zh) * | 2011-01-20 | 2014-06-25 | 中国科学院化学研究所 | β晶型聚丙烯树脂的制备方法 |
CN102898724B (zh) * | 2011-07-29 | 2014-11-05 | 中国石油化工股份有限公司 | 一种细微化酰胺型β聚丙烯成核剂及其制备方法和聚丙烯材料 |
CN105566743A (zh) * | 2014-10-15 | 2016-05-11 | 中国石油化工股份有限公司 | 一种β晶型聚丙烯条带及其制备方法 |
CN105086144B (zh) * | 2015-08-21 | 2017-11-14 | 成都慧成科技有限责任公司 | 取向β‑聚丙烯基膜、聚丙烯微孔膜及其制备方法 |
CN112239894A (zh) * | 2019-07-18 | 2021-01-19 | 中国石油化工股份有限公司 | 一种表面致孔聚结纤维的制备方法及应用 |
CN111634021B (zh) * | 2020-06-22 | 2022-05-13 | 中国科学技术大学 | 一种医用一次性防护服 |
CN113461862B (zh) * | 2021-07-22 | 2022-06-10 | 浙江大学 | 一种聚丙烯增韧大分子β成核剂、其制备方法和应用 |
Citations (2)
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CN1034375A (zh) * | 1988-12-14 | 1989-08-02 | 中国科学院上海有机化学研究所 | 聚丙烯微孔膜及其生产方法 |
CN1525907A (zh) * | 2001-02-21 | 2004-09-01 | �ձ�������ʽ���� | 连续双轴拉伸聚丙烯多孔膜及其制备方法 |
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CN1034375A (zh) * | 1988-12-14 | 1989-08-02 | 中国科学院上海有机化学研究所 | 聚丙烯微孔膜及其生产方法 |
CN1525907A (zh) * | 2001-02-21 | 2004-09-01 | �ձ�������ʽ���� | 连续双轴拉伸聚丙烯多孔膜及其制备方法 |
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