CN104629167A - 一种发泡聚丙烯材料及其制备方法 - Google Patents

一种发泡聚丙烯材料及其制备方法 Download PDF

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CN104629167A
CN104629167A CN201310559024.6A CN201310559024A CN104629167A CN 104629167 A CN104629167 A CN 104629167A CN 201310559024 A CN201310559024 A CN 201310559024A CN 104629167 A CN104629167 A CN 104629167A
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polypropylene
parts
polypropylene material
foaming
compatilizer
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王忠明
代汝军
宫克难
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Heilongjiang Xinda Enterprise Group Co Ltd
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    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • C08J9/102—Azo-compounds
    • C08J9/103—Azodicarbonamide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/14—Copolymers of propene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
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    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/14—Copolymers of propene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/06—Biodegradable
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers

Abstract

本发明公开了一种环保发泡聚丙烯材料及其制备方法。发泡聚丙烯材料，由下述质量分数的组分组成：复合聚丙烯材料70-85份，发泡剂5-10份，相容剂8-10份，分散剂5-10份；所述的复合聚丙烯材料，由下述质量分数的组分组成：均聚聚丙烯15-25份，共聚聚丙烯15-25份，聚乙烯15-25份，淀粉23-40，相容剂5-10份，交联剂2-5份，通过混合、挤出、干燥及造粒制得复合聚丙烯材料。本发明采用优异的共混技术综合了可生物降解材料和发泡聚丙烯材料的优点，从而使制备的发泡材料具有高耐热、质轻、科生物降解等特点。此种材料可广泛应用于日常用品上，如一次性餐盒、餐具、手提袋、购物袋等。

Description

一种发泡聚丙烯材料及其制备方法
技术领域
本发明涉及高分子材料技术领域，尤其涉及一种发泡聚丙烯材料及其制备方法。
背景技术
聚丙烯发泡材料与其他发泡材料相比较，以其优异的热稳定性、良好的力学性能等优点而备受人们的喜爱。但是，由于聚丙烯属半结晶型聚合物，其熔体强度很低，使得其在发泡的过程中所产生的气泡很难被聚丙烯所包覆，难以制备高质量的发泡材料。随着社会的不断发展，人们对生活环境的追求越来越高，高分子材料的出现与发展，极大地方便了人们的生活。然而，聚丙烯材料本身是很难自动降解，所造成的“白色污染”现象日趋严峻，使得环境持续恶化。
发明内容
本发明要解决的技术问题是提供一种发泡质量好，可生物降解的发泡聚丙烯材料。
本发明的方法包括如下步骤：
一种发泡聚丙烯材料，其特征在于，由下述质量分数的组分组成：
复合聚丙烯材料                    70-85
发泡剂                            5-10
相容剂                           5-10
分散剂                            5-10
所述的复合聚丙烯材料，由下述质量分数的组分组成：
均聚聚丙烯                          15-25
共聚聚丙烯                          15-25
聚乙烯                              15-25
淀粉                          23-40
相容剂                              5-10
交联剂                              2-5
所述的均聚聚丙烯、共聚聚丙烯的熔融指数为1.0-5.0g/10min；
所述的发泡剂为偶氮二甲酰胺；所述的相容剂为马来酸酐接枝聚丙烯；所述的分散剂为乙醇与纯净水按照6:4的比例混合而成；
所述的一种发泡聚丙烯材料的制备方法，其步骤如下：将各组份投入反应釜中，通入二氧化碳气体，在温度为170-180℃、压力为7.5-8.5MPa、反应时间为0.5-2h，之后迅速泄压至常压，清洁、干燥得到环保发泡聚丙烯材料。
具体实施方式
以下提供本发明的具体实施方式，但本发明的实施不限于以下的实施方式。
（1）复合聚丙烯材料的制备：按照各质量分数的组分组成，通过双螺杆挤出机，在180℃下，经挤出、水冷、干燥、切粒制得，各实施例对应的配方及检测结果见下表1-2。
表1 各实施例对应的组分
表2 各实施例组分的检测结果
材料性能 实例1 实例2 实例3 对比例
拉伸强度（MPa） 23.7 22 20．5 24.6
断裂伸长率（%） 133 115.0 105 224
IZO缺口冲击强度（Kj/m2） 7.9 6.7 5.9 10
熔融指数 2.4 1.8 1.5 3.7
降解周期（天） 37 32 27 45
（2）发泡聚丙烯材料的制备：将各组份投入反应釜中，通入二氧化碳气体，在温度为170-180℃、压力为7.5-8.5MPa、反应时间为0.5-2h，之后迅速泄压至常压，清洁、干燥得到环保发泡聚丙烯材料，各实施例对应的配方及检测结果见下表3-4。
表3各实施例对应的组分
表4各实施例组分的检测结果
材料性能 实例1 实例2 实例3 对比例
闭孔率（%） 33 28 21.4 19.5
降解周期（天） 35 33 132 23
比重（g/cm3） 0.74 0.76 0.64 0.78

Claims (5)

1.一种发泡聚丙烯材料，其特征在于，由下述质量分数的组分组成：
复合聚丙烯材料                    70-85
发泡剂                            5-10
相容剂                            5-10
分散剂                            5-10。
2.根据权利要求1所述的一种发泡聚丙烯材料，其特征在于，所述的复合聚丙烯材料，有下述质量分数的组分组成：
均聚聚丙烯                          15-25
共聚聚丙烯                          15-25
聚乙烯                              15-25
淀粉                                23-40
相容剂                              5-10
交联剂                              2-5。
3.根据权利要求2所述的复合聚丙烯材料，其特征在于，所述的均聚聚丙烯、共聚聚丙烯的熔融指数为1.0-5.0g/10min。
4.根据权利要求1所述的一种发泡聚丙烯材料，其特征在于，所述的发泡剂为偶氮二甲酰胺；所述的相容剂为马来酸酐接枝聚丙烯；所述的分散剂为乙醇与纯净水按照6:4的比例混合而成。
5.根据权利要求1所述的一种发泡聚丙烯材料，其特征在于，将各组份投入反应釜中，通入二氧化碳气体，在温度为170-180℃、压力为7.5-8.5MPa、反应时间为0.5-2h，之后迅速泄压至常压，清洁、干燥得到环保发泡聚丙烯材料。
CN201310559024.6A 2013-11-12 2013-11-12 一种发泡聚丙烯材料及其制备方法 Pending CN104629167A (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108384115A (zh) * 2018-03-15 2018-08-10 苏州市和好塑业有限公司 一种耐高温抗冷冻包装盒及其制备方法
CN108530745A (zh) * 2018-04-04 2018-09-14 山东恒信基塑业股份有限公司 一种塑料托盘可降解填充料
CN113512253A (zh) * 2021-07-13 2021-10-19 江苏昊晟塑业科技有限公司 一种可生物降解的发泡聚丙烯及其制备方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1563172A (zh) * 2004-04-20 2005-01-12 杨凌沃林国际降解树脂发展有限公司 淀粉－聚丙烯泡沫包装材料及其制备方法
CN101613488A (zh) * 2009-07-14 2009-12-30 四川大学 一种聚丙烯及其共混物粒子物理气体发泡的制备方法
CN101831114A (zh) * 2010-05-07 2010-09-15 深圳市科聚新材料有限公司 一种发泡聚丙烯材料及其制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1563172A (zh) * 2004-04-20 2005-01-12 杨凌沃林国际降解树脂发展有限公司 淀粉－聚丙烯泡沫包装材料及其制备方法
CN101613488A (zh) * 2009-07-14 2009-12-30 四川大学 一种聚丙烯及其共混物粒子物理气体发泡的制备方法
CN101831114A (zh) * 2010-05-07 2010-09-15 深圳市科聚新材料有限公司 一种发泡聚丙烯材料及其制备方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108384115A (zh) * 2018-03-15 2018-08-10 苏州市和好塑业有限公司 一种耐高温抗冷冻包装盒及其制备方法
CN108530745A (zh) * 2018-04-04 2018-09-14 山东恒信基塑业股份有限公司 一种塑料托盘可降解填充料
CN113512253A (zh) * 2021-07-13 2021-10-19 江苏昊晟塑业科技有限公司 一种可生物降解的发泡聚丙烯及其制备方法

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