CN110615911A - 一种聚乙烯类高倍率发泡材料及其制备方法 - Google Patents

一种聚乙烯类高倍率发泡材料及其制备方法 Download PDF

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CN110615911A
CN110615911A CN201911040553.9A CN201911040553A CN110615911A CN 110615911 A CN110615911 A CN 110615911A CN 201911040553 A CN201911040553 A CN 201911040553A CN 110615911 A CN110615911 A CN 110615911A
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polyethylene
foaming
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foam
foamed material
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白敬忠
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Enqi Foshan New Material Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12Working-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 physical blowing agent
    • C08J9/122Hydrogen, oxygen, CO2, nitrogen or noble gases
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00Foams characterized by the expanding agent
    • C08J2203/06CO2, N2 or noble gases
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2205/00Foams characterised by their properties
    • C08J2205/04Foams characterised by their properties characterised by the foam pores
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02Characterised 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
    • C08J2323/04Homopolymers or copolymers of ethene
    • C08J2323/06Polyethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02Characterised 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
    • C08J2423/04Homopolymers or copolymers of ethene
    • C08J2423/06Polyethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02Characterised 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
    • C08J2423/16Ethene-propene or ethene-propene-diene copolymers

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

本发明公开了一种聚乙烯类高倍率发泡材料及其制备方法,包括以下步骤:S1:配置聚乙烯溶液;将低密度聚乙烯和高密度聚乙烯进行混合,所得聚乙烯溶液溶液的质量百分比浓度为10%~25%;S2:将三元乙丙橡胶溶于所述聚乙烯溶液中,得到混合液;所述混合液中三元乙丙橡的质量百分比浓度为1.25%~8%;S3:将所述混合液进行搅拌;S4:利用液氮冷冻发泡液,得到发泡体;S5:将所述发泡体经离心机进行离心处理,制得发泡弹性体;S6:将所述发泡弹性体冷冻干燥,制得发泡材料。本发明通过使用低密度聚乙烯和所述高密度聚乙烯的混合液,并且将混合液进行搅拌和离心处理,具有泡孔均匀且密度大、压缩模量大等优点。

Description

一种聚乙烯类高倍率发泡材料及其制备方法
技术领域
本发明涉及聚乙烯类发泡材料技术领域,尤其涉及一种聚乙烯类高倍率发泡材料及其制备方法。
背景技术
发泡材料因其具有轻量化、隔热、隔音、防水及缓冲等性能,可作为吸声、防震、绝热保温、漂浮等材料,已在汽车、建筑、日用品、包装、医疗器械等领域得到了广泛的应用。
聚乙烯是通用塑料之一,其发泡材料具有无毒价廉、质轻、优异的耐湿性、良好的化学稳定性和易成型加工优点,大量应用于建筑保温、冰箱保温、运动场馆设施、电子仪器和精密仪器等的防震包装。如果能够制备纳米孔的聚乙烯发泡材料,则可以在实现减重的目的的同时,保留其足够的力学性能,提高其热阻隔性能,具有极高的应用价值。
发明内容
本发明的目的就在于为了解决上述问题而提供一种聚乙烯类高倍率发泡材料及其制备方法。
本发明通过以下技术方案来实现上述目的:
一种聚乙烯类高倍率发泡材料及其制备方法,包括以下步骤:
S1:配置聚乙烯溶液;将低密度聚乙烯和高密度聚乙烯进行混合,所得聚乙烯溶液溶液的质量百分比浓度为10%~25%;
S2:将三元乙丙橡胶溶于所述聚乙烯溶液中,得到混合液;所述混合液中三元乙丙橡的质量百分比浓度为1.25%~8%;
S3:将所述混合液进行搅拌;
S4:利用液氮冷冻发泡液,得到发泡体;
S5:将所述发泡体经离心机进行离心处理,制得发泡弹性体;
S6:将所述发泡弹性体冷冻干燥,制得发泡材料。
本发明优选的,根据步骤S1:所述低密度聚乙烯和所述高密度聚乙烯重量份数比例为25:43。
本发明优选的,根据步骤S2:所述三元乙丙橡胶与所述聚乙烯溶液重量份数比例为4:68。
本发明优选的,根据步骤S3:所述搅拌转速为100~450r/min,搅拌时间为45~60min。
本发明优选的,根据步骤S5:所述离心机的转速为10000~30000r/min,旋转时间为50~100min。
一种根据权利要求1所述的聚乙烯类发泡材料的制备方法得到的聚乙烯类发泡材料。
本发明优选的,所述聚乙烯类发泡材料上均布有孔径为150~180μm的微孔。
本发明优选的,所述聚乙烯醇发泡材料的孔隙率为97%~99%。
本发明优选的,所述聚乙烯醇发泡材料为形状记忆聚合物。
本发明优选的,其干态压缩应力为130-190kPa,硬度为15-32HSC,回弹率为65-75%。
本发明的有益效果在于:
本发明通过使用低密度聚乙烯和所述高密度聚乙烯的混合液,并且将混合液进行搅拌和离心处理,具有泡孔均匀且密度大、压缩模量大等优点。
具体实施方式
下面对本发明作进一步说明:
一种聚乙烯类高倍率发泡材料及其制备方法,包括以下步骤:
S1:配置聚乙烯溶液;将低密度聚乙烯和高密度聚乙烯进行混合,所得聚乙烯溶液溶液的质量百分比浓度为10%~25%,所述低密度聚乙烯和所述高密度聚乙烯重量份数比例为25:43;
S2:将三元乙丙橡胶溶于所述聚乙烯溶液中,得到混合液;所述混合液中三元乙丙橡的质量百分比浓度为1.25%~8%,所述三元乙丙橡胶与所述聚乙烯溶液重量份数比例为4:68;
S3:将所述混合液进行搅拌,所述搅拌转速为100~450r/min,搅拌时间为45~60min;
S4:利用液氮冷冻发泡液,得到发泡体;
S5:将所述发泡体经离心机进行离心处理,制得发泡弹性体,所述离心机的转速为10000~30000r/min,旋转时间为50~100min;
S6:将所述发泡弹性体冷冻干燥,制得发泡材料。
一种根据权利要求1所述的聚乙烯类发泡材料的制备方法得到的聚乙烯类发泡材料,所述聚乙烯类发泡材料上均布有孔径为150~180μm的微孔,所述聚乙烯醇发泡材料的孔隙率为97%~99%,所述聚乙烯醇发泡材料为形状记忆聚合物,其干态压缩应力为130-190kPa,硬度为15-32HSC,回弹率为65-75%。
综上所述,本发明通过使用低密度聚乙烯和所述高密度聚乙烯的混合液,并且将混合液进行搅拌和离心处理,具有泡孔均匀且密度大、压缩模量大等优点。
本领域技术人员不脱离本发明的实质和精神,可以有多种变形方案实现本发明,以上所述仅为本发明较佳可行的实施例而已,并非因此局限本发明的权利范围,凡运用本发明说明书所作的等效结构变化,均包含于本发明的权利范围之内。

Claims (10)

1.一种聚乙烯类高倍率发泡材料的制备方法,其特征在于,包括以下步骤:
S1:配置聚乙烯溶液;将低密度聚乙烯和高密度聚乙烯进行混合,所得聚乙烯溶液溶液的质量百分比浓度为10%~25%;
S2:将三元乙丙橡胶溶于所述聚乙烯溶液中,得到混合液;所述混合液中三元乙丙橡的质量百分比浓度为1.25%~8%;
S3:将所述混合液进行搅拌;
S4:利用液氮冷冻发泡液,得到发泡体;
S5:将所述发泡体经离心机进行离心处理,制得发泡弹性体;
S6:将所述发泡弹性体冷冻干燥,制得发泡材料。
2.根据权利要求1所述的聚乙烯类高倍率发泡材料的制备方法,其特征在于,根据步骤S1:所述低密度聚乙烯和所述高密度聚乙烯重量份数比例为25:43。
3.根据权利要求2所述的聚乙烯类高倍率发泡材料的制备方法,其特征在于,根据步骤S2:所述三元乙丙橡胶与所述聚乙烯溶液重量份数比例为4:68。
4.根据权利要求1所述的聚乙烯类高倍率发泡材料的制备方法,其特征在于,根据步骤S3:所述搅拌转速为100~450r/min,搅拌时间为45~60min。
5.根据权利要求1所述的聚乙烯类高倍率发泡材料的制备方法,其特征在于,根据步骤S5:所述离心机的转速为10000~30000r/min,旋转时间为50~100min。
6.一种根据权利要求1所述的聚乙烯类发泡材料的制备方法得到的聚乙烯类发泡材料。
7.根据权利要求6所述的聚乙烯类高倍率发泡材料,其特征在于,所述聚乙烯类发泡材料上均布有孔径为150~180μm的微孔。
8.根据权利要求6所述的聚乙烯类高倍率发泡材料,其特征在于,所述聚乙烯醇发泡材料的孔隙率为97%~99%。
9.根据权利要求6所述的聚乙烯类高倍率发泡材料,其特征在于,所述聚乙烯醇发泡材料为形状记忆聚合物。
10.根据权利要求6所述的聚乙烯类高倍率发泡材料,其特征在于,其干态压缩应力为130-190kPa,硬度为15-32HSC,回弹率为65-75%。
CN201911040553.9A 2019-10-29 2019-10-29 一种聚乙烯类高倍率发泡材料及其制备方法 Pending CN110615911A (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005290329A (ja) * 2004-04-05 2005-10-20 Sekisui Plastics Co Ltd エチレン系樹脂発泡シート、成形品及びエチレン系樹脂発泡シートの製造方法
CN106317631A (zh) * 2016-08-29 2017-01-11 湖北祥源新材科技股份有限公司 聚丙烯发泡片材及其制备方法
CN108473732A (zh) * 2015-12-03 2018-08-31 陶氏环球技术有限责任公司 高孔隙度微孔聚乙烯

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005290329A (ja) * 2004-04-05 2005-10-20 Sekisui Plastics Co Ltd エチレン系樹脂発泡シート、成形品及びエチレン系樹脂発泡シートの製造方法
CN108473732A (zh) * 2015-12-03 2018-08-31 陶氏环球技术有限责任公司 高孔隙度微孔聚乙烯
CN106317631A (zh) * 2016-08-29 2017-01-11 湖北祥源新材科技股份有限公司 聚丙烯发泡片材及其制备方法

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Application publication date: 20191227