CN108976543A - 一种难燃型改性聚乙烯保温隔声卷材及其制备方法 - Google Patents

一种难燃型改性聚乙烯保温隔声卷材及其制备方法 Download PDF

Info

Publication number
CN108976543A
CN108976543A CN201810548398.0A CN201810548398A CN108976543A CN 108976543 A CN108976543 A CN 108976543A CN 201810548398 A CN201810548398 A CN 201810548398A CN 108976543 A CN108976543 A CN 108976543A
Authority
CN
China
Prior art keywords
nonflammable
density polyethylene
modified poly
parts
poly ethylene
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
CN201810548398.0A
Other languages
English (en)
Inventor
林善武
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.)
Chongqing Green Building Box Creative Technology Ltd
Original Assignee
Chongqing Green Building Box Creative Technology 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 Chongqing Green Building Box Creative Technology Ltd filed Critical Chongqing Green Building Box Creative Technology Ltd
Priority to CN201810548398.0A priority Critical patent/CN108976543A/zh
Publication of CN108976543A publication Critical patent/CN108976543A/zh
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C08J9/06Working-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
    • C08J9/10Working-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
    • C08J9/102Azo-compounds
    • C08J9/103Azodicarbonamide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/12Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022Non-woven fabric
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/245Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00Composition of foam
    • B32B2266/02Organic
    • B32B2266/0214Materials belonging to B32B27/00
    • B32B2266/025Polyolefin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/10Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102Insulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/304Insulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/306Resistant to heat
    • B32B2307/3065Flame resistant or retardant, fire resistant or retardant
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • B32B2307/536Hardness
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • B32B2307/552Fatigue strength
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558Impact strength, toughness
    • 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
    • C08J2203/04N2 releasing, ex azodicarbonamide or nitroso compound
    • 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
    • C08J2423/04Homopolymers or copolymers of ethene
    • C08J2423/08Copolymers of ethene
    • 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

Landscapes

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

Abstract

本发明公开了一种难燃型改性聚乙烯保温隔声卷材及其制备方法,卷材为多层复合结构,中间层为难燃型改性聚乙烯发泡材料层,下表面层为难燃型无纺布层,上表面层为石英砂层;其中所述难燃型改性聚乙烯发泡材料层由下列重量份的原料制成:高密度聚乙烯(HDPE)20‑30份、线性低密度聚乙烯(LLDPE)5‑20份、三元乙丙橡胶(EPDM)3‑10份、交联剂0.25‑0.7份、阻燃剂8‑18份、低密度聚乙烯(LDPE)26‑67份、发泡剂8‑10份。本发明实施例制备的难燃型改性聚乙烯保温隔声卷材,获得了可以直接应用于建筑保温隔声工程的新型产品。产品自身的保温节能性能和隔声减震性能优异,耐候性好,使用寿命长。

Description

一种难燃型改性聚乙烯保温隔声卷材及其制备方法
技术领域
本发明涉及建筑材料技术领域,特别涉及一种难燃型改性聚乙烯保温隔声卷材及其制备方法。
背景技术
传统的建筑保温材料种类较多,但是并未对其隔声性能作出要求。而传统的隔声材料大多也只限于墙体软装隔声,没有适用于新建建筑楼地面隔声工程中的隔声材料。所以,集合建筑保温功能和建筑隔声功能的新型材料便应运而生。
常用的保温隔音材料有无机材料和有机高分子材料两种。前者有石棉、玻璃纤维和矿棉等,后者包括聚苯乙烯、聚丙烯、聚乙烯、聚乙烯和醋酸乙烯共聚物、聚氨酯(PU)、酚醛树脂、环氧树脂、脲醛树脂、不饱和聚酯、聚酰亚胺等。聚乙烯发泡材料是一种新型环保材料,无毒、无味、隔音、吸音、隔热、焚烧时对大气无污染,回弹力好,可随意调整软硬度和厚度,重量轻等特点。难燃型发泡聚乙烯芯材作为难燃型改性聚乙烯保温隔声卷材的主要原材料,是以聚乙烯与乙烯-醋酸乙烯共聚物为主要原料,添加发泡剂,阻燃剂、交联剂等多种添加剂,经混合,加工,成型,采用热交联炉进行化学交联反应,再经发泡、定型、后处理等工艺生产出来的一种发泡交联材料。现有技术的主要方法为:采用密练、造粒的方式分别将偶氮二甲酰胺(AC)原粉,过氧化二异丙苯(DCP)与低密度聚乙烯(LDPE)制备成AC母粒、DCP母粒;然后将这种母粒与LDPE单螺杆挤出、三辊压延机成型;将成型后的片材进入燃气式水平发泡炉进行发泡处理。而现有技术制备的聚乙烯发泡材料存在以下缺点:1:制得的聚乙烯发泡材料的耐高温性能不足;2:常规聚乙烯发泡材料热收缩值较大,不稳定;3:交联剂的分解温度过低,在挤出过程中容易发生降解;4:常规聚乙烯发泡材料的拉伸强度和硬度较低;5:燃烧性能等级低,不能满足建筑保温隔声工程的使用。
有鉴于目前保温隔声材料存在的问题,本发明提供一种难燃型改性聚乙烯保温隔声卷材及其制备方法,通过本发明制备的卷材具有很好的耐侯性能和力学性能,是一种可直接应用于建筑保温隔声工程的新型产品。
发明内容
针对现有技术存在的不足,本发明提供一种难燃型改性聚乙烯保温隔声卷材及其制备方法,通过本发明制备的卷材具有很好的耐侯性能和力学性能,是一种可直接应用于建筑保温隔声工程的新型产品。
为了实现上述目的,本发明是通过如下的技术方案来实现:
本发明提供一种难燃型改性聚乙烯保温隔声卷材,该卷材为多层复合结构,中间层为难燃型改性聚乙烯发泡材料层,下表面层为难燃型无纺布层,上表面层为石英砂层;其中所述难燃型改性聚乙烯发泡材料层由下列重量份的原料制成:高密度聚乙烯(HDPE)20-30份、线性低密度聚乙烯(LLDPE)5-20份、三元乙丙橡胶(EPDM)3-10份、交联剂0.25-0.7份、阻燃剂8-18份、低密度聚乙烯(LDPE)26-67份、发泡剂8-10份。本发明中通过添加EPDM不仅仅提高材料的硫化性能,降低交联剂含量,也提高了材料的韧性,有利于耐高温难燃型发泡聚乙烯发泡材料在热压成型过程中不破或断裂。
优选地,所述发泡剂为偶氮二甲酰胺。
优选地,所述阻燃剂为粉状。常用的阻燃剂大多为颗粒状,单螺杆挤出机挤出卷材成型时,阻燃剂的分散性不高,会降低难燃型发泡聚乙烯发泡材料的阻燃性能,如果将阻燃剂磨成粉状掺入使用可取得更好的效果,故选择粉状阻燃剂尤为重要。本发明通过添加粉状阻燃剂大幅提高难燃型发泡聚乙烯发泡材料的阻燃性能,使难燃型发泡聚乙烯发泡材料燃烧消防等级达到B1级或A级。
优选地,所述交联剂为BIPB。通过选用分解温度更高的交联剂BIPB,使其造粒、挤出过程中不易分解,保证产品硫化的均匀性。
优选地,所述预热段的加热温度在145-175°之间,所述发泡段的加热温度在190-230°之间。
优选地,所述加热为气动传热。
其中,所述难燃型改性聚乙烯发泡材料层的制备方法包括以下步骤:
(1)制取母粒:高密度聚乙烯、线性低密度聚乙烯、低密度聚乙烯与助剂计量称重-密炼机密炼-造粒机挤出成型-风冷模面切粒、两级旋风筒冷却-振动筛筛选、进一步冷却-储料筒存储-称重-打包-贴标-入库;
(2)制取母片:高密度聚乙烯、线性低密度聚乙烯、低密度聚乙烯与步骤(1)制备的母粒计量称重-搅拌机混合-塑化挤出-三辊压光-冷却切边-牵引-收卷-称重-包装-贴标-入库;
(3)加热发泡:步骤(2)制备的母片经发泡炉预热段交联、发泡段发泡-冷却定型-纠偏-切边-牵引-除静电-定尺收卷-品质检验-包装-贴标-入库。
主料由传统的低密度聚乙烯转为高密度聚乙烯、线性低密度聚乙烯、低密度聚乙烯共混的配方体系,提高了材料的耐温性能,力学性能,冲击性能,硬度。且通过几次先后多次加工共混的方法,提高不同种类材料的相容性。
一种难燃型改性聚乙烯保温隔声卷材的制备方法,其步骤如下:
(1)难燃型改性聚乙烯发泡材料制备:A.制取母粒:高密度聚乙烯、线性低密度聚乙烯、低密度聚乙烯与助剂计量称重-密炼机密炼-造粒机挤出成型-风冷模面切粒、两级旋风筒冷却-振动筛筛选、进一步冷却-储料筒存储;B.制取母片:高密度聚乙烯、线性低密度聚乙烯、低密度聚乙烯与步骤A制备的母粒计量称重-搅拌机混合-塑化挤出-三辊压光-冷却切边-牵引-收卷;C.加热发泡:步骤B制备的母片经发泡炉预热段交联、发泡段发泡-冷却定型-纠偏-切边-牵引-除静电-定尺收卷;制得薄层片状的难燃型改性聚乙烯发泡材料;
(2)将步骤(1)中制备的难燃型改性聚乙烯发泡材料下表面进行刮胶处理后与难燃型无纺布进行辊压复合;
(3)经步骤(2)处理后,对难燃型改性聚乙烯发泡材料上表面进行刮胶处理,再覆撒石英砂并辊压复合;
(4)难燃型无纺布表面和石英砂表面修缮处理,定尺收卷后包装。
该改性聚乙烯发泡材料通过密炼机将PE、辅料、发泡剂、阻燃剂、改姓材料和交联剂共混造粒,然后采用单螺杆挤出机挤出卷材成型,水平炉发泡,发泡剂(偶氮二甲酰胺)分解产生气体从而导致塑胶母片发泡,生成难燃型发泡聚乙烯发泡材料;在此基础上进行难燃型发泡聚乙烯发泡材料配方开发,确定主料、发泡剂、阻燃剂、改性材料、特殊助剂等。难燃型发泡聚乙烯发泡材料制成薄层片状后与难燃型无纺布、精选石英砂进行复合,制成可以直接应用于建筑保温隔声工程中的难燃型改性聚乙烯保温隔声卷材。本发明主料由传统的低密度聚乙烯转为高密度聚乙烯、线性低密度聚乙烯、低密度聚乙烯共混的配方体系,提高了材料的耐温性能,力学性能,冲击性能,硬度。
本发明实施例提供的技术方案的有益效果:
1、本发明实施例制备的难燃型改性聚乙烯保温隔声卷材,获得了可以直接应用于建筑保温隔声工程的新型产品。产品自身的保温节能性能和隔声减震性能优异,耐候性好,使用寿命长。
2、主料由传统的低密度聚乙烯转为高密度聚乙烯、线性低密度聚乙烯、低密度聚乙烯共混的配方体系,提高了材料的耐温性能,力学性能,冲击性能,硬度。
3、选用分解温度更高的交联剂BIPB,使其造粒、挤出过程中不易分解,保证产品硫化的均匀性;通过添加EPDM不仅仅提高材料的硫化性能,降低交联剂含量,也提高了材料的韧性,有利于耐高温难燃型发泡聚乙烯发泡材料在热压成型过程中不破,不断裂。通过添加粉状阻燃剂大幅提高难燃型发泡聚乙烯发泡材料的阻燃性能,使难燃型发泡聚乙烯发泡材料燃烧消防等级达到B1级或A级。
4、本发明实施例通过先后多次加工共混的方法,提高不同种类材料的相容性。
附图说明
图1为难燃型改性聚乙烯保温隔声卷材检测报告1;
图2-3为难燃型改性聚乙烯保温隔声卷材检测报告2。
具体实施方式
为使本发明的技术方案和要点更加清楚,下面对本发明实施方式作进一步地详细描述。
以下实施例仅用于更加清楚地说明本发明的技术方案,因此只作为示例,而不能以此来限制本发明的保护范围。
需要注意的是,除非另有说明,本申请使用的技术术语或者科学术语应当为本发明所属领域技术人员所理解的通常意义。
实施例1:难燃型改性聚乙烯保温隔声卷材的制备方法,其步骤如下:
(1)难燃型改性聚乙烯发泡材料制备:A.制取母粒:高密度聚乙烯12份、线性低密度聚乙烯5份、低密度聚乙烯23份与三元乙丙橡胶(EPDM)7份、BIPB 0.5份、粉末氢氧化铝阻燃剂12份以及偶氮二甲酰胺9份称重,依次加入密炼机进行混合密炼,再把混炼好的料团放入造粒机的料斗、挤出成型,再通过风冷模面切粒、两级旋风筒冷却,振动筛筛选、进一步冷却,最后进入储料筒进行存储;B.制取母片:高密度聚乙烯13份、线性低密度聚乙烯5份、低密度聚乙烯20与步骤A制备的母粒计量称重,放入搅拌机混合,单螺杆塑化挤出,经三辊压延机压光、冷却切边、牵引、收卷得到母片;C.加热发泡:步骤B制备的母片经发泡炉预热段交联、发泡段发泡,其中预热段的温度为145°、发泡段的温度为190°,加热均采用气动传热;发泡后冷却定型、纠偏、切边、牵引、除静电、定尺收卷;制得薄层片状的难燃型改性聚乙烯发泡材料;
(2)将步骤(1)中制备的难燃型改性聚乙烯发泡材料下表面进行喷胶处理后与难燃型无纺布进行辊压复合;
(3)经步骤(2)处理后,对难燃型改性聚乙烯发泡材料上表面进行喷胶处理,再覆撒石英砂并辊压复合;
(4)难燃型无纺布表面和石英砂表面修缮处理,定尺收卷后包装。
实施例2:难燃型改性聚乙烯保温隔声卷材的制备方法,其步骤如下:
(1)难燃型改性聚乙烯发泡材料制备:A.制取母粒:高密度聚乙烯20份、线性低密度聚乙烯12份、低密度聚乙烯18份与三元乙丙橡胶(EPDM)7份、BIPB 0.5份、粉末氢氧化铝阻燃剂12份以及偶氮二甲酰胺9份称重,依次加入密炼机进行混合密炼,再把混炼好的料团放入造粒机的料斗、挤出成型,再通过风冷模面切粒、两级旋风筒冷却,振动筛筛选、进一步冷却,最后进入储料筒进行存储;B.制取母片:高密度聚乙烯10份、线性低密度聚乙烯6份、低密度聚乙烯12份与步骤A制备的母粒计量称重,放入搅拌机混合,单螺杆塑化挤出,经三辊压延机压光、冷却切边、牵引、收卷得到母片;C.加热发泡:步骤B制备的母片经发泡炉预热段交联、发泡段发泡,其中预热段的温度为145°、发泡段的温度为190°,加热均采用气动传热;发泡后冷却定型、纠偏、切边、牵引、除静电、定尺收卷;制得薄层片状的难燃型改性聚乙烯发泡材料;
(2)将步骤(1)中制备的难燃型改性聚乙烯发泡材料下表面进行喷胶处理后与难燃型无纺布进行辊压复合;
(3)经步骤(2)处理后,对难燃型改性聚乙烯发泡材料上表面进行喷胶处理,再覆撒石英砂并辊压复合;
(4)难燃型无纺布表面和石英砂表面修缮处理,定尺收卷后包装。
实施例3:难燃型改性聚乙烯保温隔声卷材的制备方法,其步骤如下:
(1)难燃型改性聚乙烯发泡材料制备:A.制取母粒:高密度聚乙烯20份、线性低密度聚乙烯12份、低密度聚乙烯18份与三元乙丙橡胶(EPDM)3份、BIPB 0.25份、粉末氢氧化铝阻燃剂12份以及偶氮二甲酰胺10份称重,依次加入密炼机进行混合密炼,再把混炼好的料团放入造粒机的料斗、挤出成型,再通过风冷模面切粒、两级旋风筒冷却,振动筛筛选、进一步冷却,最后进入储料筒进行存储;B.制取母片:高密度聚乙烯10份、线性低密度聚乙烯6份、低密度聚乙烯12份与步骤A制备的母粒计量称重,放入搅拌机混合,单螺杆塑化挤出,经三辊压延机压光、冷却切边、牵引、收卷得到母片;C.加热发泡:步骤B制备的母片经发泡炉预热段交联、发泡段发泡,其中预热段的温度为145°、发泡段的温度为190°,加热均采用气动传热;发泡后冷却定型、纠偏、切边、牵引、除静电、定尺收卷;制得薄层片状的难燃型改性聚乙烯发泡材料;
(2)将步骤(1)中制备的难燃型改性聚乙烯发泡材料下表面进行喷胶处理后与难燃型无纺布进行辊压复合;
(3)经步骤(2)处理后,对难燃型改性聚乙烯发泡材料上表面进行喷胶处理,再覆撒石英砂并辊压复合;
(4)难燃型无纺布表面和石英砂表面修缮处理,定尺收卷后包装。
实施例4:难燃型改性聚乙烯保温隔声卷材的制备方法,其步骤如下:
(1)难燃型改性聚乙烯发泡材料制备:A.制取母粒:高密度聚乙烯20份、线性低密度聚乙烯12份、低密度聚乙烯18份与三元乙丙橡胶(EPDM)7份、BIPB 0.5份、粉末氢氧化铝阻燃剂12份以及偶氮二甲酰胺9份称重,依次加入密炼机进行混合密炼,再把混炼好的料团放入造粒机的料斗、挤出成型,再通过风冷模面切粒、两级旋风筒冷却,振动筛筛选、进一步冷却,最后进入储料筒进行存储;B.制取母片:高密度聚乙烯10份、线性低密度聚乙烯6份、低密度聚乙烯12份与步骤A制备的母粒计量称重,放入搅拌机混合,单螺杆塑化挤出,经三辊压延机压光、冷却切边、牵引、收卷得到母片;C.加热发泡:步骤B制备的母片经发泡炉预热段交联、发泡段发泡,其中预热段的温度为160°、发泡段的温度为210°,加热均采用气动传热;发泡后冷却定型、纠偏、切边、牵引、除静电、定尺收卷;制得薄层片状的难燃型改性聚乙烯发泡材料;
(2)将步骤(1)中制备的难燃型改性聚乙烯发泡材料下表面进行喷胶处理后与难燃型无纺布进行辊压复合;
(3)经步骤(2)处理后,对难燃型改性聚乙烯发泡材料上表面进行喷胶处理,再覆撒石英砂并辊压复合;
(4)难燃型无纺布表面和石英砂表面修缮处理,定尺收卷后包装。
实施例5:难燃型改性聚乙烯保温隔声卷材的制备方法,其步骤如下:
难燃型改性聚乙烯保温隔声卷材的制备方法,其步骤如下:
(1)难燃型改性聚乙烯发泡材料制备:A.制取母粒:低密度聚乙烯50份与三元乙丙橡胶(EPDM)7份、BIPB 0.5份、粉末氢氧化铝阻燃剂12份以及偶氮二甲酰胺9份称重,依次加入密炼机进行混合密炼,再把混炼好的料团放入造粒机的料斗、挤出成型,再通过风冷模面切粒、两级旋风筒冷却,振动筛筛选、进一步冷却,最后进入储料筒进行存储;B.制取母片:低密度聚乙烯30份与步骤A制备的母粒计量称重,放入搅拌机混合,单螺杆塑化挤出,经三辊压延机压光、冷却切边、牵引、收卷得到母片;C.加热发泡:步骤B制备的母片经发泡炉预热段交联、发泡段发泡,其中预热段的温度为145°、发泡段的温度为190°,加热均采用气动传热;发泡后冷却定型、纠偏、切边、牵引、除静电、定尺收卷;制得薄层片状的难燃型改性聚乙烯发泡材料;
(2)将步骤(1)中制备的难燃型改性聚乙烯发泡材料下表面进行喷胶处理后与难燃型无纺布进行辊压复合;
(3)经步骤(2)处理后,对难燃型改性聚乙烯发泡材料上表面进行喷胶处理,再覆撒石英砂并辊压复合;
(4)难燃型无纺布表面和石英砂表面修缮处理,定尺收卷后包装。
实施例6:难燃型改性聚乙烯保温隔声卷材的制备方法,其步骤如下:
(1)难燃型改性聚乙烯发泡材料制备:A.制取母粒:高密度聚乙烯15份、线性低密度聚乙烯5份、低密度聚乙烯10份与三元乙丙橡胶(EPDM)7份、BIPB 0.5份、粉末氢氧化铝阻燃剂12份以及偶氮二甲酰胺9份称重,依次加入密炼机进行混合密炼,再把混炼好的料团放入造粒机的料斗、挤出成型,再通过风冷模面切粒、两级旋风筒冷却,振动筛筛选、进一步冷却,最后进入储料筒进行存储;B.制取母片:高密度聚乙烯30份、线性低密度聚乙烯10份、低密度聚乙烯5份与步骤A制备的母粒计量称重,放入搅拌机混合,单螺杆塑化挤出,经三辊压延机压光、冷却切边、牵引、收卷得到母片;C.加热发泡:步骤B制备的母片经发泡炉预热段交联、发泡段发泡,其中预热段的温度为145°、发泡段的温度为190°,加热均采用气动传热;发泡后冷却定型、纠偏、切边、牵引、除静电、定尺收卷;制得薄层片状的难燃型改性聚乙烯发泡材料;
(2)将步骤(1)中制备的难燃型改性聚乙烯发泡材料下表面进行喷胶处理后与难燃型无纺布进行辊压复合;
(3)经步骤(2)处理后,对难燃型改性聚乙烯发泡材料上表面进行喷胶处理,再覆撒石英砂并辊压复合;
(4)难燃型无纺布表面和石英砂表面修缮处理,定尺收卷后包装。
实施例7难燃型改性聚乙烯保温隔声卷材的制备方法,其步骤如下:
(1)难燃型改性聚乙烯发泡材料制备:A.制取母粒:高密度聚乙烯25份、线性低密度聚乙烯10份、低密度聚乙烯43份与三元乙丙橡胶(EPDM)7份、BIPB 0.5份、粉末氢氧化铝阻燃剂12份以及偶氮二甲酰胺9份称重,依次加入密炼机进行混合密炼,再把混炼好的料团放入造粒机的料斗、挤出成型,再通过风冷模面切粒、两级旋风筒冷却,振动筛筛选、进一步冷却,最后进入储料筒进行存储;B.制取母片:步骤A制备的母粒,单螺杆塑化挤出,经三辊压延机压光、冷却切边、牵引、收卷得到母片;C.加热发泡:步骤B制备的母片经发泡炉预热段交联、发泡段发泡,其中预热段的温度为145°、发泡段的温度为190°,加热均采用气动传热;发泡后冷却定型、纠偏、切边、牵引、除静电、定尺收卷;制得薄层片状的难燃型改性聚乙烯发泡材料;
(2)将步骤(1)中制备的难燃型改性聚乙烯发泡材料下表面进行喷胶处理后与难燃型无纺布进行辊压复合;
(3)经步骤(2)处理后,对难燃型改性聚乙烯发泡材料上表面进行喷胶处理,再覆撒石英砂并辊压复合;
(4)难燃型无纺布表面和石英砂表面修缮处理,定尺收卷后包装。
实施例1-4中主料由传统的低密度聚乙烯转为高密度聚乙烯、线性低密度聚乙烯、低密度聚乙烯共混的配方体系,提高了材料的耐温性能,力学性能,冲击性能,硬度。且通过几次先后多次加工共混的方法,提高不同种类材料的相容性。实施例中采用的氢氧化铝阻燃剂为粉状,添加粉状阻燃剂大幅提高难燃型发泡聚乙烯发泡材料的阻燃性能,使难燃型发泡聚乙烯发泡材料燃烧消防等级达到B1级到A级。并选用分解温度更高的交联剂BIPB,使其造粒、挤出过程中不易分解,保证产品硫化的均匀性。
实施例5中只采用了低密度聚乙烯,得到的卷材其耐温性能、力学性能以及冲击性能均相对实施例1-4产品更差。实施例6采用与实施例1、5相同的助剂以及制备方法而其主料的配比不同,与实施例5相比,采用实施例6的混合主料制备的卷材在耐温性能、力学性能以及冲击性能上未出现明显的改良。实施例7在采用与实施例相同的主料和助剂,而其均在第一步混合,未经过多次共混,制备的卷材相比实施例1的卷材,其原料间的相容性较差。
实施例1-4的产品经重庆筑能建设工程质量检测有限公司及重庆市计量质量检测研究院检测合格,具体数据如图1-3所示。
最后应说明的是:以上各实施例仅用以说明本发明的技术方案,而非对其限制;尽管参照前述各实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分或者全部技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本发明各实施例技术方案的范围,其均应涵盖在本发明的权利要求和说明书的范围当中。

Claims (8)

1.一种难燃型改性聚乙烯保温隔声卷材,其特征在于,所述卷材为多层复合结构,中间层为难燃型改性聚乙烯发泡材料层,下表面层为难燃型无纺布层,上表面层为石英砂层;其中所述难燃型改性聚乙烯发泡材料层由下列重量份的原料制成:高密度聚乙烯(HDPE)20-30份、线性低密度聚乙烯(LLDPE)5-20份、三元乙丙橡胶(EPDM)3-10份、交联剂0.25-0.7份、阻燃剂8-18份、低密度聚乙烯(LDPE)26-67份、发泡剂8-10份。
2.根据权利要求1所述的难燃型改性聚乙烯保温隔声卷材,其特征在于,所述发泡剂为偶氮二甲酰胺。
3.根据权利要求1所述的难燃型改性聚乙烯保温隔声卷材,其特征在于,所述阻燃剂为粉状。
4.根据权利要求1所述的难燃型改性聚乙烯保温隔声卷材,其特征在于,所述交联剂为BIPB。
5.根据权利要求1所述的难燃型改性聚乙烯保温隔声卷材,其特征在于,所述难燃型改性聚乙烯发泡材料层的制备方法包括以下步骤:
(1)制取母粒:高密度聚乙烯、线性低密度聚乙烯、低密度聚乙烯与助剂计量称重-密炼机密炼-造粒机挤出成型-风冷模面切粒、两级旋风筒冷却-振动筛筛选、进一步冷却-储料筒存储-称重-打包-贴标-入库;
(2)制取母片:高密度聚乙烯、线性低密度聚乙烯、低密度聚乙烯与步骤(1)制备的母粒计量称重-搅拌机混合-塑化挤出-三辊压光-冷却切边-牵引-收卷-称重-包装-贴标-入库;
(3)加热发泡:步骤(2)制备的母片经发泡炉预热段交联、发泡段发泡-冷却定型-纠偏-切边-牵引-除静电-定尺收卷-品质检验-包装-贴标-入库。
6.根据权利要求5所述的难燃型改性聚乙烯保温隔声卷材,其特征在于,所述预热段的加热温度在145-175°之间,所述发泡段的加热温度在190-230°之间。
7.根据权利要求6所述的难燃型改性聚乙烯保温隔声卷材,其特征在于,所述加热为气动传热。
8.一种如权利要求1-7任一项所述的难燃型改性聚乙烯保温隔声卷材的制备方法,其特征在于,其步骤如下:
(1)难燃型改性聚乙烯发泡材料制备:A.制取母粒:高密度聚乙烯、线性低密度聚乙烯、低密度聚乙烯与助剂计量称重-密炼机密炼-造粒机挤出成型-风冷模面切粒、两级旋风筒冷却-振动筛筛选、进一步冷却-储料筒存储;B.制取母片:高密度聚乙烯、线性低密度聚乙烯、低密度聚乙烯与步骤A制备的母粒计量称重-搅拌机混合-塑化挤出-三辊压光-冷却切边-牵引-收卷;C.加热发泡:步骤B制备的母片经发泡炉预热段交联、发泡段发泡-冷却定型-纠偏-切边-牵引-除静电-定尺收卷;制得薄层片状的难燃型改性聚乙烯发泡材料;
(2)将步骤(1)中制备的难燃型改性聚乙烯发泡材料下表面进行刮胶处理后与难燃型无纺布进行辊压复合;
(3)经步骤(2)处理后,对难燃型改性聚乙烯发泡材料上表面进行刮胶处理,再覆撒石英砂并辊压复合;
(4)难燃型无纺布表面和石英砂表面修缮处理,定尺收卷后包装。
CN201810548398.0A 2018-05-31 2018-05-31 一种难燃型改性聚乙烯保温隔声卷材及其制备方法 Pending CN108976543A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810548398.0A CN108976543A (zh) 2018-05-31 2018-05-31 一种难燃型改性聚乙烯保温隔声卷材及其制备方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810548398.0A CN108976543A (zh) 2018-05-31 2018-05-31 一种难燃型改性聚乙烯保温隔声卷材及其制备方法

Publications (1)

Publication Number Publication Date
CN108976543A true CN108976543A (zh) 2018-12-11

Family

ID=64542856

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810548398.0A Pending CN108976543A (zh) 2018-05-31 2018-05-31 一种难燃型改性聚乙烯保温隔声卷材及其制备方法

Country Status (1)

Country Link
CN (1) CN108976543A (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113402803A (zh) * 2021-07-19 2021-09-17 中广核高新核材科技(苏州)有限公司 一种阻燃辐照交联聚乙烯发泡材料及其制备方法
CN114591553A (zh) * 2022-01-19 2022-06-07 常州长园特发科技有限公司 一种辐射交联聚乙烯组合物、发泡片材及其应用

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203805425U (zh) * 2014-02-24 2014-09-03 隋素平 聚乙烯复合防水卷材
CN105566721A (zh) * 2015-11-04 2016-05-11 深圳市长园特发科技有限公司 一种耐高温xpe泡棉及其制备方法
CN107586411A (zh) * 2017-08-21 2018-01-16 江苏凯伦建材股份有限公司 一种高抗穿刺强度高极性阻燃防水片材及其制备方法
CN206941973U (zh) * 2017-01-17 2018-01-30 重庆绿建盒子创新科技有限公司 建筑保温卷材

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203805425U (zh) * 2014-02-24 2014-09-03 隋素平 聚乙烯复合防水卷材
CN105566721A (zh) * 2015-11-04 2016-05-11 深圳市长园特发科技有限公司 一种耐高温xpe泡棉及其制备方法
CN206941973U (zh) * 2017-01-17 2018-01-30 重庆绿建盒子创新科技有限公司 建筑保温卷材
CN107586411A (zh) * 2017-08-21 2018-01-16 江苏凯伦建材股份有限公司 一种高抗穿刺强度高极性阻燃防水片材及其制备方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113402803A (zh) * 2021-07-19 2021-09-17 中广核高新核材科技(苏州)有限公司 一种阻燃辐照交联聚乙烯发泡材料及其制备方法
CN114591553A (zh) * 2022-01-19 2022-06-07 常州长园特发科技有限公司 一种辐射交联聚乙烯组合物、发泡片材及其应用
CN114591553B (zh) * 2022-01-19 2023-08-11 常州长园特发科技有限公司 一种辐射交联聚乙烯组合物、发泡片材及其应用

Similar Documents

Publication Publication Date Title
CN104927216B (zh) 一种橡塑共混高阻燃绝热保温材料
CN110181741B (zh) 发泡聚烯烃珠粒的制备方法、发泡聚烯烃板材及其应用
EP1512713B1 (en) Composition for polyolefin resin foam, foam of the same, and process for producing foam
CN103694542A (zh) 一种高填充高回弹软质发泡聚乙烯材料及其制备方法
CN111234373B (zh) 一种无卤阻燃聚丙烯泡沫材料的制备方法
CN106349539A (zh) 阻燃隔热发泡片材及其制备方法
CN106279934A (zh) 一种排气减震隔热吸音的塑料发泡地垫及其制备方法
CN103304260A (zh) 一种发泡混凝土保温板及其制备方法
CN104250388A (zh) 一种阻燃型nbr/cpvc橡塑发泡保温材料组合物
CN108976543A (zh) 一种难燃型改性聚乙烯保温隔声卷材及其制备方法
CN109320802A (zh) 一种新型橡塑保温管材及其制备方法
KR101037383B1 (ko) 고내열성 고무발포 단열재 및 그 제조방법
CN106432887B (zh) 一种聚烯烃发泡母粒的组成及制备方法和用途
CN113072767B (zh) Eva/tpae复合材料泡沫及其制备方法
CN107312245B (zh) 梯度发泡聚丙烯片材及其制备方法
KR101624480B1 (ko) 난연성 스티로폼 제조방법
CN103288393A (zh) 一种低导热性能的水泥发泡保温板及其制备方法
KR20170038252A (ko) 셀 균일도와 난연성이 향상된 발포폴리스틸렌의 난연 마스터배치 및 그 제조방법
KR101104162B1 (ko) 유연성 및 신축성이 우수한 엔비알 단열재 및 그 제조 방법
KR102188608B1 (ko) 그래핀 옥사이드를 이용한 eps 준불연 단열재 및 이의 제조방법
JPH11343361A (ja) 貫通穴を有する筒状のポリオレフィン系樹脂発泡粒子及び連通した空隙を有するポリオレフィン系樹脂発泡成型体の製造方法
KR101928925B1 (ko) 내충격성이 우수한 폴리올레핀계 발포입자
CA2135497C (en) Alkenyl aromatic polymer foams and processes for preparing same
KR20180102784A (ko) 팽창성 무기 골재를 포함하는 유기 단열재
CN106432877A (zh) 一种塑料泡沫材料及其制备方法

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
CB03 Change of inventor or designer information

Inventor after: Lin Shanwu

Inventor after: Liu Tao

Inventor before: Lin Shanwu

CB03 Change of inventor or designer information
RJ01 Rejection of invention patent application after publication

Application publication date: 20181211

RJ01 Rejection of invention patent application after publication