CN108437257A - Ldpe发泡工艺 - Google Patents

Ldpe发泡工艺 Download PDF

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Publication number
CN108437257A
CN108437257A CN201810248363.5A CN201810248363A CN108437257A CN 108437257 A CN108437257 A CN 108437257A CN 201810248363 A CN201810248363 A CN 201810248363A CN 108437257 A CN108437257 A CN 108437257A
Authority
CN
China
Prior art keywords
mixing
temperature
extrusion
foam process
ldpe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810248363.5A
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English (en)
Inventor
王秀红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201810248363.5A priority Critical patent/CN108437257A/zh
Publication of CN108437257A publication Critical patent/CN108437257A/zh
Pending legal-status Critical Current

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Classifications

    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • B29B7/726—Measuring properties of mixture, e.g. temperature or density
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0012—Combinations of extrusion moulding with other shaping operations combined with shaping by internal pressure generated in the material, e.g. foaming
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

本发明公开了一种LDPE发泡工艺，工艺过程如下：树脂、助剂混合→密炼→开炼→切粒→挤出→牵引→试样；进一步改进在于：密炼的温度为80‑100℃；挤出的温度为150‑160℃。本发明显著改善发泡性能。

Description

LDPE发泡工艺
技术领域
本发明涉及一种高分子复合材料制作工艺，特别是一种LDPE制作工艺。
背景技术
LDPE有比较好的综合性能，但发泡性能不好。
发明内容
本发明针对现有技术的不足，提出一种能显著改善发泡性能的LDPE发泡工艺。
本发明通过下述技术方案实现技术目标。
LDPE发泡工艺，其改进之处在于：工艺过程如下：树脂、助剂混合→密炼→开炼→切粒→挤出→牵引→试样。
优选地，密炼的温度为80-100℃；挤出的温度为150-160℃。
本发明与现有技术相比，具有以下积极效果：本工艺显著改善发泡性能。
具体实施方式
下面结合实施例对本发明作进一步说明。
LDPE发泡工艺，工艺过程如下：树脂、助剂混合→密炼→开炼→切粒→挤出→牵引→试样，本实施例中，密炼的温度为80-100℃；挤出的温度为150-160℃。

Claims (2)

1.一种LDPE发泡工艺，其特征在于：工艺过程如下：树脂、助剂混合→密炼→开炼→切粒→挤出→牵引→试样。
2.根据权利要求1所述的LDPE发泡工艺，其特征在于：所述密炼的温度为80-100℃；挤出的温度为150-160℃。
CN201810248363.5A 2018-03-24 2018-03-24 Ldpe发泡工艺 Pending CN108437257A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810248363.5A CN108437257A (zh) 2018-03-24 2018-03-24 Ldpe发泡工艺

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810248363.5A CN108437257A (zh) 2018-03-24 2018-03-24 Ldpe发泡工艺

Publications (1)

Publication Number Publication Date
CN108437257A true CN108437257A (zh) 2018-08-24

Family

ID=63196403

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810248363.5A Pending CN108437257A (zh) 2018-03-24 2018-03-24 Ldpe发泡工艺

Country Status (1)

Country Link
CN (1) CN108437257A (zh)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101049723A (zh) * 2007-05-18 2007-10-10 张大伟 交联发泡管、棒材制作工艺及模具
CN103360674A (zh) * 2013-07-26 2013-10-23 福州大学 一种木粉复合发泡材料及其制备方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101049723A (zh) * 2007-05-18 2007-10-10 张大伟 交联发泡管、棒材制作工艺及模具
CN103360674A (zh) * 2013-07-26 2013-10-23 福州大学 一种木粉复合发泡材料及其制备方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
齐贵亮: "《塑料改性配方工艺速查360例》", 31 January 2016, 文化发展出版社 *

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