CN111592728B - 微孔pvc泡沫及其制备方法 - Google Patents

微孔pvc泡沫及其制备方法 Download PDF

Info

Publication number
CN111592728B
CN111592728B CN202010549008.9A CN202010549008A CN111592728B CN 111592728 B CN111592728 B CN 111592728B CN 202010549008 A CN202010549008 A CN 202010549008A CN 111592728 B CN111592728 B CN 111592728B
Authority
CN
China
Prior art keywords
anhydride
pvc foam
parts
foam
mixture
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.)
Active
Application number
CN202010549008.9A
Other languages
English (en)
Other versions
CN111592728A (zh
Inventor
张�成
王亮亮
杨江龙
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.)
Dongying Ruizhi New Material Co ltd
Original Assignee
Dongying Ruizhi New Material Co ltd
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 Dongying Ruizhi New Material Co ltd filed Critical Dongying Ruizhi New Material Co ltd
Priority to CN202010549008.9A priority Critical patent/CN111592728B/zh
Publication of CN111592728A publication Critical patent/CN111592728A/zh
Application granted granted Critical
Publication of CN111592728B publication Critical patent/CN111592728B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • C08J9/0014—Use of organic additives
    • C08J9/0028—Use of organic additives containing nitrogen
    • 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
    • C08J9/0014—Use of organic additives
    • C08J9/0038—Use of organic additives containing phosphorus
    • 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
    • C08J9/0014—Use of organic additives
    • C08J9/0052—Organo-metallic compounds
    • 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
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • 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
    • C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
    • 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
    • C08J9/02—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by the reacting monomers or modifying agents during the preparation or modification of macromolecules
    • 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
    • C08J9/104—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
    • C08J9/105—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof containing sulfur
    • 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
    • C08J2205/00—Foams characterised by their properties
    • C08J2205/04—Foams characterised by their properties characterised by the foam pores
    • C08J2205/044—Micropores, i.e. average diameter being between 0,1 micrometer and 0,1 millimeter
    • 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
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06—Homopolymers or copolymers of vinyl chloride
    • 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
    • C08J2485/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon; Derivatives of such polymers
    • C08J2485/02—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon; Derivatives of such polymers containing phosphorus

Landscapes

  • 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)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

本发明属于PVC泡沫技术领域，具体的涉及一种微孔PVC泡沫及其制备方法。原料由聚氯乙烯树脂95‑100份、小分子醇20‑35份、异氰酸酯40‑75份、酸酐20‑30份、发泡剂6‑8份、热稳定剂3‑7份、三聚氰胺氰尿酸盐1‑3.5份和磷系阻燃剂0.5‑1.5份组成。本发明所述的微孔PVC泡沫，泡孔致密而均匀，压缩强度及拉伸强度高，且具有很好的阻燃性；所述的制备方法工艺简单可控、利于施工、易操作、生产效率高、适合工业化生产。

Description

微孔PVC泡沫及其制备方法
技术领域
本发明属于PVC泡沫技术领域，具体的涉及一种微孔PVC泡沫及其制备方法。
背景技术
聚氯乙烯泡沫材料是以聚氯乙烯树脂为主体，加入发泡剂及其它添加剂制成的泡沫材料。聚氯乙烯泡沫材料分硬质和软质两类，硬质聚氯乙烯泡沫材料的弹性模量一般比较大，无柔韧性，压缩强度大，应力达到一定值能产生形变，解除应力后不能恢复原状。硬质聚氯乙烯泡沫塑料具有良好的机械性能、化学性能稳定、耐腐蚀、不吸水、不易燃烧、价格便宜等优点，在包装、保温等领域具有广泛应用。
微孔PVC泡沫分为线性PVC泡沫和交联PVC泡沫，最初被应用于保温隔热车厢中，随着人们对其不断的认知，其优异的比强度、比模量及优良的耐腐蚀性、阻燃性等被逐渐开发，但是，微孔泡沫在一些特定的应用领域，其力学性能尤其是强度较差，限制了其发展。
发明内容
本发明的目的是：提供一种微孔PVC泡沫，该微孔PVC泡沫力学性能优良；本发明同时提供了其制备方法。
本发明所述的微孔PVC泡沫，以重量份数计，原料组成如下：
Figure BDA0002541782500000011
其中：
聚氯乙烯树脂在室温下的粘度为5000-8000mPa·s。
小分子醇为甲醇、乙醇、叔丁醇或正丁醇中的一种或多种。
异氰酸酯是甲苯二异氰酸酯、环已基二异氰酸酯、碳化二亚胺改性二苯基甲烷二异氰酸酯、二苯基甲烷二异氰酸酯或六亚甲基二异氰酸酯中的一种或几种。
酸酐是邻苯二甲酸酐、琥珀酸酐、偏苯三甲酸酐、六氯内次甲基四氢邻苯二甲酸酐、二苯醚四酸二酐、甲基六氢邻苯二甲酸酐、马来酸酐、甲基四氢苯酐、环已烷-1,2-二羧酸酐或甲基六氢苯酐中的至少两种。
发泡剂为偶氮二甲酸二异丙酯与4,4’-氧代双苯磺酰肼的混合物；其中，偶氮二甲酸二异丙酯与4,4’-氧代双苯磺酰肼的质量比为2-3:2.5-4.5；优选的，偶氮二甲酸二异丙酯与4,4’-氧代双苯磺酰肼的质量比为3:4.5。
热稳定剂为碳基-4，4-二异叉-脂肪醇-磷酸酯螯合化合聚合物和有机锡181的混合物。
磷系阻燃剂为磷酸三甲苯酯、叔丁基化磷酸三苯酯、甲基丙烯酰氧乙基磷酸酯或甲基膦酸二甲酯中的一种或多种。
本发明所述的微孔PVC泡沫的制备方法，由以下步骤组成：
(1)将原料中的液态料先进行预混，静置30-35min，然后加入固体料进行搅拌，原料在搅拌机中搅拌30-40min，得到均一的预混料；
(2)将均一的预混料导入模具中，在165-210℃和15-20MPa的压力条件下进行模压，冷却后开模，得到预发泡体；
(3)将预发泡体置于85-90℃的水浴环境下进行发泡，得到半成品泡沫；
(4)将半成品泡沫置于75-80℃的烘箱中进行固化处理得到微孔PVC泡沫。
本发明与现有技术相比，具有以下有益效果：
(1)本发明所述的微孔PVC泡沫，泡孔致密而均匀，压缩强度及拉伸强度高，且具有很好的阻燃性。
(2)本发明所述的微孔PVC泡沫的制备方法，工艺简单可控、利于施工、易操作、生产效率高、适合工业化生产。
具体实施方式
以下结合实施例对本发明作进一步描述。
本发明所述的微孔PVC泡沫，原料中的异氰酸酯在预发泡体的制备中可作为增塑剂，在二次膨胀和固化交联时与水反应产生二氧化碳作为发泡剂，产生的交联物质可增强泡沫材料。
异氰酸酯水解生成的胺能够和可交联的聚氯乙烯树脂发生交联反应，得到交联聚氯乙烯树脂，从而提高聚氯乙烯树脂的尺寸稳定性和耐溶剂性。
酸酐可以增加固化交联时二氧化碳的产量，提高发泡倍率，并改进交联网络。
实施例1
本实施例1所述的微孔PVC泡沫，以重量份数计，原料组成如下：
Figure BDA0002541782500000021
Figure BDA0002541782500000031
其中：
聚氯乙烯树脂在室温下的粘度为5000-6000mPa·s。
小分子醇为乙醇和叔丁醇的混合物。
异氰酸酯是甲苯二异氰酸酯与碳化二亚胺改性二苯基甲烷二异氰酸酯的混合物。
酸酐是邻苯二甲酸酐、马来酸酐与环已烷-1,2-二羧酸酐的混合物。
发泡剂为偶氮二甲酸二异丙酯与4,4’-氧代双苯磺酰肼的混合物；其中，偶氮二甲酸二异丙酯与4,4’-氧代双苯磺酰肼的质量比为2:2.5。
热稳定剂为碳基-4，4-二异叉-脂肪醇-磷酸酯螯合化合聚合物和有机锡181的混合物。
磷系阻燃剂为磷酸三甲苯酯。
本实施例1所述的微孔PVC泡沫的制备方法，由以下步骤组成：
(1)将原料中的液态料先进行预混，静置30min，然后加入固体料进行搅拌，原料在搅拌机中搅拌35min，得到均一的预混料；
(2)将均一的预混料导入模具中，在210℃和15MPa的压力条件下进行模压，冷却后开模，得到预发泡体；
(3)将预发泡体置于90℃的水浴环境下进行发泡，得到半成品泡沫；
(4)将半成品泡沫置于80℃的烘箱中进行固化处理得到微孔PVC泡沫。
实施例2
本实施例2所述的微孔PVC泡沫，以重量份数计，原料组成如下：
Figure BDA0002541782500000032
Figure BDA0002541782500000041
其中：
聚氯乙烯树脂在室温下的粘度为7000-8000mPa·s。
小分子醇为甲醇。
异氰酸酯为环已基二异氰酸酯。
酸酐是偏苯三甲酸酐、六氯内次甲基四氢邻苯二甲酸酐与甲基六氢苯酐的混合物。
发泡剂为偶氮二甲酸二异丙酯与4,4’-氧代双苯磺酰肼的混合物；其中，偶氮二甲酸二异丙酯与4,4’-氧代双苯磺酰肼的质量比为3:4.5。
热稳定剂为碳基-4，4-二异叉-脂肪醇-磷酸酯螯合化合聚合物和有机锡181的混合物。
磷系阻燃剂为叔丁基化磷酸三苯酯与甲基丙烯酰氧乙基磷酸酯的混合物。
本实施例2所述的微孔PVC泡沫的制备方法，由以下步骤组成：
(1)将原料中的液态料先进行预混，静置32min，然后加入固体料进行搅拌，原料在搅拌机中搅拌30min，得到均一的预混料；
(2)将均一的预混料导入模具中，在210℃和18MPa的压力条件下进行模压，冷却后开模，得到预发泡体；
(3)将预发泡体置于88℃的水浴环境下进行发泡，得到半成品泡沫；
(4)将半成品泡沫置于75℃的烘箱中进行固化处理得到微孔PVC泡沫。
实施例3
本实施例3所述的微孔PVC泡沫，以重量份数计，原料组成如下：
Figure BDA0002541782500000042
其中：
聚氯乙烯树脂在室温下的粘度为7500-8000mPa·s。
小分子醇为叔丁醇。
异氰酸酯是二苯基甲烷二异氰酸酯。
酸酐是偏苯三甲酸酐与环已烷-1,2-二羧酸酐的混合物。
发泡剂为偶氮二甲酸二异丙酯与4,4’-氧代双苯磺酰肼的混合物；其中，偶氮二甲酸二异丙酯与4,4’-氧代双苯磺酰肼的质量比为2.5:4.0。
热稳定剂为碳基-4，4-二异叉-脂肪醇-磷酸酯螯合化合聚合物和有机锡181的混合物。
磷系阻燃剂为磷酸三甲苯酯与叔丁基化磷酸三苯酯的混合物。
本实施例3所述的微孔PVC泡沫的制备方法，由以下步骤组成：
(1)将原料中的液态料先进行预混，静置35min，然后加入固体料进行搅拌，原料在搅拌机中搅拌40min，得到均一的预混料；
(2)将均一的预混料导入模具中，在200℃和20MPa的压力条件下进行模压，冷却后开模，得到预发泡体；
(3)将预发泡体置于90℃的水浴环境下进行发泡，得到半成品泡沫；
(4)将半成品泡沫置于80℃的烘箱中进行固化处理得到微孔PVC泡沫。
对比例1
本对比例1所述的PVC泡沫，以重量份数计，原料组成如下：
Figure BDA0002541782500000051
其中：
聚氯乙烯树脂在室温下的粘度为7000-8000mPa·s。
小分子醇为甲醇。
异氰酸酯为环已基二异氰酸酯。
酸酐是偏苯三甲酸酐、六氯内次甲基四氢邻苯二甲酸酐与甲基六氢苯酐的混合物。
发泡剂为偶氮二甲酸二异丙酯与4,4’-氧代双苯磺酰肼的混合物；其中，偶氮二甲酸二异丙酯与4,4’-氧代双苯磺酰肼的质量比为3:4.5。
热稳定剂为碳基-4，4-二异叉-脂肪醇-磷酸酯螯合化合聚合物和有机锡181的混合物。
磷系阻燃剂为叔丁基化磷酸三苯酯与甲基丙烯酰氧乙基磷酸酯的混合物。
本对比例1的制备方法与实施例2相同。
对比例2
本对比例2所述的PVC泡沫，以重量份数计，原料组成如下：
Figure BDA0002541782500000061
其中：
聚氯乙烯树脂在室温下的粘度为7000-8000mPa·s。
小分子醇为甲醇。
异氰酸酯为环已基二异氰酸酯。
酸酐是偏苯三甲酸酐、六氯内次甲基四氢邻苯二甲酸酐与甲基六氢苯酐的混合物。
发泡剂为偶氮二甲酸二异丙酯与4,4’-氧代双苯磺酰肼的混合物；其中，偶氮二甲酸二异丙酯与4,4’-氧代双苯磺酰肼的质量比为3:4.5。
热稳定剂为碳基-4，4-二异叉-脂肪醇-磷酸酯螯合化合聚合物和有机锡181的混合物。
本对比例2所述的制备方法与实施例2相同。
对比例3
本对比例3所述的PVC泡沫，以重量份数计，原料组成如下：
Figure BDA0002541782500000062
其中：
聚氯乙烯树脂在室温下的粘度为7000-8000mPa·s。
异氰酸酯为环已基二异氰酸酯。
酸酐是偏苯三甲酸酐、六氯内次甲基四氢邻苯二甲酸酐与甲基六氢苯酐的混合物。
发泡剂为偶氮二甲酸二异丙酯与4,4’-氧代双苯磺酰肼的混合物；其中，偶氮二甲酸二异丙酯与4,4’-氧代双苯磺酰肼的质量比为3:4.5。
热稳定剂为碳基-4，4-二异叉-脂肪醇-磷酸酯螯合化合聚合物和有机锡181的混合物。
磷系阻燃剂为叔丁基化磷酸三苯酯与甲基丙烯酰氧乙基磷酸酯的混合物。
本对比例3所述的制备方法与实施例2相同。
对实施例1-3和对比例1-3制备的PVC泡沫进行性能测试，结果如下表1所示：
表1PVC泡沫性能测试表
Figure BDA0002541782500000071

Claims (4)

1.一种微孔PVC泡沫，其特征在于：以重量份数计，原料组成如下：
Figure FDA0003442585600000011
其中：
聚氯乙烯树脂在室温下的粘度为5000-8000mPa·s；
小分子醇为甲醇、乙醇、叔丁醇或正丁醇中的一种或多种；
发泡剂为偶氮二甲酸二异丙酯与4,4’-氧代双苯磺酰肼的混合物；
偶氮二甲酸二异丙酯与4,4’-氧代双苯磺酰肼的质量比为2-3:2.5-4.5；
热稳定剂为碳基-4，4-二异叉-脂肪醇-磷酸酯螯合化合聚合物和有机锡181的混合物；
磷系阻燃剂为磷酸三甲苯酯、叔丁基化磷酸三苯酯、甲基丙烯酰氧乙基磷酸酯或甲基膦酸二甲酯中的一种或多种。
2.根据权利要求1所述的微孔PVC泡沫，其特征在于：异氰酸酯是甲苯二异氰酸酯、环己基二异氰酸酯、碳化二亚胺改性二苯基甲烷二异氰酸酯、二苯基甲烷二异氰酸酯或六亚甲基二异氰酸酯中的一种或几种。
3.根据权利要求1所述的微孔PVC泡沫，其特征在于：酸酐是邻苯二甲酸酐、琥珀酸酐、偏苯三甲酸酐、六氯内次甲基四氢邻苯二甲酸酐、二苯醚四酸二酐、甲基六氢邻苯二甲酸酐、马来酸酐、甲基四氢苯酐、环己 烷-1,2-二羧酸酐或甲基六氢苯酐中的至少两种。
4.一种权利要求1所述的微孔PVC泡沫的制备方法，其特征在于：由以下步骤组成：
(1)将原料中的液态料先进行预混，静置30-35min，然后加入固体料进行搅拌，原料在搅拌机中搅拌30-40min，得到均一的预混料；
(2)将均一的预混料导入模具中，在165-210℃和15-20MPa的压力条件下进行模压，冷却后开模，得到预发泡体；
(3)将预发泡体置于85-90℃的水浴环境下进行发泡，得到半成品泡沫；
(4)将半成品泡沫置于75-80℃的烘箱中进行固化处理得到微孔PVC泡沫。
CN202010549008.9A 2020-06-16 2020-06-16 微孔pvc泡沫及其制备方法 Active CN111592728B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010549008.9A CN111592728B (zh) 2020-06-16 2020-06-16 微孔pvc泡沫及其制备方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010549008.9A CN111592728B (zh) 2020-06-16 2020-06-16 微孔pvc泡沫及其制备方法

Publications (2)

Publication Number Publication Date
CN111592728A CN111592728A (zh) 2020-08-28
CN111592728B true CN111592728B (zh) 2022-02-01

Family

ID=72190218

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010549008.9A Active CN111592728B (zh) 2020-06-16 2020-06-16 微孔pvc泡沫及其制备方法

Country Status (1)

Country Link
CN (1) CN111592728B (zh)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104672706A (zh) * 2015-02-13 2015-06-03 中国科学院长春应用化学研究所 基于悬浮聚氯乙烯树脂的泡沫材料及其制备方法
CN107501821A (zh) * 2017-07-20 2017-12-22 中国科学院长春应用化学研究所 一种交联氯化聚氯乙烯泡沫材料及其制备方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20061107A1 (it) * 2006-06-08 2007-12-09 Diab Int Ab Formulazioni per prodotti cellulari di polimero espanso basati su polivinl cloruro prodotti cellulari di polimero espanso migliorati basati su polivinil cloruro e processo per produrre detti prodotti cellulari di polimero espanso migliorati

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104672706A (zh) * 2015-02-13 2015-06-03 中国科学院长春应用化学研究所 基于悬浮聚氯乙烯树脂的泡沫材料及其制备方法
CN107501821A (zh) * 2017-07-20 2017-12-22 中国科学院长春应用化学研究所 一种交联氯化聚氯乙烯泡沫材料及其制备方法

Also Published As

Publication number Publication date
CN111592728A (zh) 2020-08-28

Similar Documents

Publication Publication Date Title
CN111621104B (zh) 聚氯乙烯泡沫及其制备方法
CN107698889B (zh) 细孔聚氯乙烯泡沫材料及其制备方法
CN101812232B (zh) 一种聚酰亚胺泡沫塑料及其制备方法
CN107501821B (zh) 一种交联氯化聚氯乙烯泡沫材料及其制备方法
CN109851750B (zh) 一种分子链硬段阻燃聚氨酯泡沫的制备方法
CN114835872A (zh) 一种高阻燃低导热聚氨酯泡沫材料及其制备方法
CN114437544B (zh) 一种耐高温的双马来酰亚胺-聚酰亚胺互穿结构泡沫材料及其制备方法
CN111592728B (zh) 微孔pvc泡沫及其制备方法
US3406131A (en) Process for making epoxy resin foam plastics
CN112175158B (zh) 冰箱及硬质聚氨酯泡沫、硬质聚氨酯泡沫的制备方法
CN111004456B (zh) 一种质轻高强耐热聚氯乙烯泡沫材料及其制备方法
CN113308068B (zh) 耐高温pvc泡沫及其制备方法
CN109942774B (zh) 一种分子链硬段阻燃聚氨酯泡沫
CN114395158B (zh) 一种低密度、耐高温、高均匀闭孔硬质聚酰亚胺泡沫材料的制备方法
CN106189183A (zh) 一种太阳能热水器水箱用保温材料
CN112812473B (zh) 一种低导热系数硬质交联聚氯乙烯泡沫材料及其制备方法
CN111607177B (zh) 高强度高模量聚氯乙烯泡沫及其制备方法
CN113754878B (zh) 多苯胺基聚醚多元醇的合成方法
KR20120115912A (ko) 폴리비닐클로라이드 경질 발포체의 제조방법 및 이에 따라 제조된 폴리비닐클로라이드 경질 발포체
JP2004515897A (ja) 高密度ポリイミド発泡体絶縁体
CN111995726A (zh) 一种具有自催化性能的生物基多元醇的合成及其在喷涂泡沫中的应用
CN113388213B (zh) 聚氯乙烯泡沫及其制备方法
US8193256B1 (en) Method for epoxy foam production using a liquid anhydride
CN114736516B (zh) 一种高韧性异氰酸酯基双马来酰亚胺泡沫及其制备方法、应用
CN115466469A (zh) 一种改性pvc硬质结构泡沫及其制备方法

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20200828

Assignee: Dongying Huixin and Rui New Materials Co.,Ltd.

Assignor: Dongying Ruizhi New Material Co.,Ltd.

Contract record no.: X2022980023593

Denomination of invention: Microcellular PVC foam and its preparation method

Granted publication date: 20220201

License type: Common License

Record date: 20221201

EE01 Entry into force of recordation of patent licensing contract