CN106750838A - 空心玻璃微珠填充改性聚乙烯材料 - Google Patents
空心玻璃微珠填充改性聚乙烯材料 Download PDFInfo
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- CN106750838A CN106750838A CN201510810232.8A CN201510810232A CN106750838A CN 106750838 A CN106750838 A CN 106750838A CN 201510810232 A CN201510810232 A CN 201510810232A CN 106750838 A CN106750838 A CN 106750838A
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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
- B29B9/02—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
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- 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
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- 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
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
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- 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
- B29C2948/92514—Pressure
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- 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
- B29C2948/92561—Time, e.g. start, termination, duration or interruption
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- 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
- B29C2948/92704—Temperature
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- 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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
本发明的目的是提供一种提高聚乙烯机械性能的空心玻璃微珠填充改性聚乙烯材料及其制备方法。聚乙烯无臭,无毒,具有优良的耐低温性能化学稳定性好,能耐大多数酸碱的侵蚀(不耐具有氧化性质的酸),常温下不溶于一般溶剂,吸水性小,电绝缘性能优良;但聚乙烯对于环境应力(化学与机械作用)是很敏感的。空心玻璃微珠作为一类填料,其应用价值正在被逐渐认识,其功能也已被大量研究所揭示。添加玻璃微珠改性后一般具有优良的抗冲击、抗蠕变和耐热性能,材料的尺寸稳定性、绝缘性能、刚性能力也有所提高。本发明所得空心玻璃微珠填充改性聚乙烯材料的机械性能能够达到使用标准,并且能够极大提高聚乙烯材料的稳定性能,使聚乙烯材料在使用时提高安全性能。
Description
技术领域
本发明属聚乙烯材料生产技术领域,改善聚乙烯原有的不足。生产出符合社会需求的产品。
背景技术
聚乙烯-简称PE英文名称:Polyethylene聚乙烯(PE)是五大合成树脂之一。聚乙烯主要分为线性低密度聚乙烯(LLDPE)、低密度聚乙烯(LDPE)、高密度聚乙烯(HDPE)三大类。聚乙烯无臭,无毒,具有优良的耐低温性能化学稳定性好,能耐大多数酸碱的侵蚀(不耐具有氧化性质的酸),常温下不溶于一般溶剂,吸水性小,电绝缘性能优良;但聚乙烯对于环境应力(化学与机械作用)是很敏感的。
空心玻璃微珠作为一类填料,其应用价值正在被逐渐认识,其功能也已被大量研究所揭示。添加玻璃微珠改性后一般具有优良的抗冲击、抗蠕变和耐热性能,材料的尺寸稳定性、绝缘性能、刚性能力也有所提高。
发明内容
本发明的目的是提供一种提高聚乙烯机械性能的空心玻璃微珠填充改性聚乙烯材料及其制备方法。
该空心玻璃微珠填充改性聚乙烯材料由下列重量比原料构成:
线性低密度聚乙烯(LLDPE):100
空心玻璃微珠(5000目):5.0~15.0
硅烷偶联剂(KH-550):1.5~2.5
抗氧剂(乙烯-辛烯的共聚物):2.0~3.0
着色剂:0.5~1.5
分散润滑剂(TAS-2A):1.5~2.5
该空心玻璃微珠填充改性聚乙烯材料的制备方法包括以下步骤:先将各种原料在高速混合器中干混3-5分钟,再置于双螺杆挤出机中经熔融挤出、冷却、切粒、包装成品即可;其中,双螺杆挤出机一区温度为90-100℃,二区为160-190℃,三区为200-210℃,四区为205-210℃;五区为190-200℃,停留时间为1-2分钟,压力为10-15Mpa。
具体实施方式
下面通过具体实施方式对本发明做进一步的说明,以下实施例仅是对本发明进行说明而非对其加以限定。
实施例1:
(1)按重量比分分别称取各原料如下:
线性低密度聚乙烯(LLDPE):100
空心玻璃微珠(5000目):5.0
硅烷偶联剂(KH-550):1.5
抗氧剂(乙烯-辛烯的共聚物):2.0
着色剂:0.5
分散润滑剂(TAS-2A):1.5
(2)先将各种原料在高速混合器中干混3-5分钟,再置于双螺杆挤出机中经熔融挤出、冷却、切粒、包装成品即可;其中,双螺杆挤出机一区温度为90-100℃,二区为160-190℃,三区为200-210℃,四区为205-210℃;五区为190-200℃,停留时间为1-2分钟,压力为10-15Mpa。
实验结果:
实施例2:
(1)按重量比分分别称取各原料如下:
线性低密度聚乙烯(LLDPE):100
空心玻璃微珠(5000目):10.0
硅烷偶联剂(KH-550):2.0
抗氧剂(乙烯-辛烯的共聚物):2.5
着色剂:1.0
分散润滑剂(TAS-2A):2.0
(2)先将各种原料在高速混合器中干混3-5分钟,再置于双螺杆挤出机中经熔融挤出、冷却、切粒、包装成品即可;其中,双螺杆挤出机一区温度为90-100℃,二区为160-190℃,三区为200-210℃,四区为205-210℃;五区为190-200℃,停留时间为1-2分钟,压力为10-15Mpa。
实验结果:
实施例3:
(1)按重量比分分别称取各原料如下:
线性低密度聚乙烯(LLDPE):100
空心玻璃微珠(5000目):15.0
硅烷偶联剂(KH-550):2.5
抗氧剂(乙烯-辛烯的共聚物):3.0
着色剂:1.5
分散润滑剂(TAS-2A):2.5
(2)先将各种原料在高速混合器中干混3-5分钟,再置于双螺杆挤出机中经熔融挤出、冷却、切粒、包装成品即可;其中,双螺杆挤出机一区温度为90-100℃,二区为160-190℃,三区为200-210℃,四区为205-210℃;五区为190-200℃,停留时间为1-2分钟,压力为10-15Mpa。
实验结果:
上述实施例为本发明的举例说明,并不用来限制本发明。通过上述实验表明,其中实施例2为最优重量比,通过本方法制造的空心玻璃微珠填充改性聚乙烯材料的拉伸强度、断裂伸长率、弯曲强度等性能得到了明显改善。
Claims (3)
1.一种空心玻璃微珠填充改性聚乙烯材料,其特征在于,由下列重量比原料组成:
线性低密度聚乙烯(LLDPE):100
空心玻璃微珠(5000目):5.0~15.0
硅烷偶联剂(KH-550):1.5~2.5
抗氧剂(乙烯-辛烯的共聚物):2.0~3.0
着色剂:0.5~1.5
分散润滑剂(TAS-2A):1.5~2.5。
2.根据权利要求1所述的空心玻璃微珠填充改性聚乙烯材料,其特征在于,最优重量比原料组成为:
线性低密度聚乙烯(LLDPE):100
空心玻璃微珠(5000目):1.0
硅烷偶联剂(KH-550):2.0
抗氧剂(乙烯-辛烯的共聚物):2.5
着色剂:1.0
分散润滑剂(TAS-2A):2.0。
3.根据权利要求1所述的空心玻璃微珠填充改性聚乙烯材料,其特征在于,所述材料的制备方法为:先将各种原料在高速混合器中干混3-5分钟,再置于双螺杆挤出机中经熔融挤出、冷却、切粒、包装成品即可;其中,双螺杆挤出机一区温度为90-100℃,二区为160-190℃,三区为200-210℃,四区为205-210℃;五区为190-200℃,停留时间为1-2分钟,压力为10-15Mpa。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107987367A (zh) * | 2017-12-12 | 2018-05-04 | 上海新上化高分子材料有限公司 | 低介电常数硅烷交联聚乙烯绝缘料及其制备方法 |
CN112321927A (zh) * | 2020-10-28 | 2021-02-05 | 吕启明 | 一种pe管制备工艺 |
WO2024114448A1 (zh) * | 2022-11-28 | 2024-06-06 | 金发科技股份有限公司 | 一种聚烯烃组合物及其制备方法和应用 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107987367A (zh) * | 2017-12-12 | 2018-05-04 | 上海新上化高分子材料有限公司 | 低介电常数硅烷交联聚乙烯绝缘料及其制备方法 |
CN112321927A (zh) * | 2020-10-28 | 2021-02-05 | 吕启明 | 一种pe管制备工艺 |
WO2024114448A1 (zh) * | 2022-11-28 | 2024-06-06 | 金发科技股份有限公司 | 一种聚烯烃组合物及其制备方法和应用 |
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