CN115093672A - 一种防污耐脏材料 - Google Patents

一种防污耐脏材料 Download PDF

Info

Publication number
CN115093672A
CN115093672A CN202210850592.0A CN202210850592A CN115093672A CN 115093672 A CN115093672 A CN 115093672A CN 202210850592 A CN202210850592 A CN 202210850592A CN 115093672 A CN115093672 A CN 115093672A
Authority
CN
China
Prior art keywords
parts
antifouling
agent
mixing
dirt
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
CN202210850592.0A
Other languages
English (en)
Inventor
姜可
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.)
Shenzhen Kexinhuacheng Communication Technology Co ltd
Original Assignee
Shenzhen Kexinhuacheng Communication Technology 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 Shenzhen Kexinhuacheng Communication Technology Co ltd filed Critical Shenzhen Kexinhuacheng Communication Technology Co ltd
Priority to CN202210850592.0A priority Critical patent/CN115093672A/zh
Publication of CN115093672A publication Critical patent/CN115093672A/zh
Pending legal-status Critical Current

Links

Images

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
    • C08J9/12—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 physical blowing agent
    • C08J9/14—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 physical blowing agent organic
    • C08J9/141—Hydrocarbons
    • 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
    • C08J9/0023—Use of organic additives containing oxygen
    • 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
    • C08J9/0042—Use of organic additives containing silicon
    • 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
    • C08J9/0066—Use of inorganic compounding ingredients
    • 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
    • C08J9/04—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
    • C08J9/04—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
    • C08J9/12—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 physical blowing agent
    • C08J9/14—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 physical blowing agent organic
    • C08J9/143—Halogen containing compounds
    • C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
    • C08J9/146—Halogen containing compounds containing carbon, halogen and hydrogen only only fluorine as halogen atoms
    • 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
    • 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
    • C08J2359/00—Characterised by the use of polyacetals containing polyoxymethylene sequences only
    • 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
    • C08J2409/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08J2409/06—Copolymers with styrene
    • 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
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—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
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/06—Polyethene
    • 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
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—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
    • C08J2423/16—Ethene-propene or ethene-propene-diene copolymers
    • 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
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—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
    • C08J2423/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
    • C08J2423/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
    • C08J2423/22—Copolymers of isobutene; butyl rubber
    • 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
    • C08J2427/00—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
    • C08J2427/02—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
    • C08J2427/12—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 fluorine atoms
    • C08J2427/18—Homopolymers or copolymers of tetrafluoroethylene
    • 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
    • C08J2453/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • C08J2453/02—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
    • 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
    • C08J2455/00—Characterised by the use of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08J2423/00 - C08J2453/00
    • C08J2455/02—Acrylonitrile-Butadiene-Styrene [ABS] polymers
    • 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
    • C08J2459/00—Characterised by the use of polyacetals containing polyoxymethylene sequences only
    • 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
    • C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2475/04—Polyurethanes

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)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Emergency Medicine (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

本发明公开了一种防污耐脏材料，由以下步骤制备而成：按重量份将12‑60份热可塑性聚氨酯、30‑75份聚甲醛、30‑50份聚乙烯和12‑25份聚烯氟乙烯混合得混料a；将16‑30份二氧化钼、3‑9份炭黑、20‑35份增韧剂、8‑16份导热剂和10‑25份软化增塑剂混合得混料b；混料a与混料b混合改性塑化并密炼制得发泡材料；将1‑5份抗氧剂、2‑15份发泡剂、7‑30份泡沫稳定剂与发泡材料混合得初混物；初混物开炼得到开炼挤出造粒以得材料颗粒；材料颗粒降温得防污耐脏材料；本发明导热系数高、拉伸强度大，抗冲击能力强，具有极佳抗震效果、防水效果和阻燃性能，污物附着率低，耐磨、耐脏防污性能高，特别适合作为电子产品壳体的制作原料。

Description

一种防污耐脏材料
技术领域
本发明涉及电子产品制作材料领域，尤其涉及电子设备壳体制备材料，具体为一种防污耐脏材料。
背景技术
电子产品是以电能为工作基础的相关产品，主要包括：手表、智能手机、电话、电视机、影碟机、录像机、摄录机、收音机、收录机、组合音箱、激光唱机、电脑、移动通信产品、秒控键盘、移动终端、触摸显示屏、电风扇等，随着科技的进步及电子产品的不断发展，其电子设备外壳多是采用新型材料制作。
如今的电子产品外壳大多都是导热性能差，不利于电子产品如秒控键盘的散热，同时作为电子产品如秒控键盘，其防水效果差，且电子产品在长期使用后表面常常附着有大量的污染物，致使电子产品表面滞留的污染物影响产品的使用寿命；且电子产品的耐脏性能差，抗污耐污性能低，在长期使用电子产品后，产品表面常常会滞留大量灰尘，也常常会出现泛黄的情况，极大影响了电子产品的壳体外观，且电子产品在使用时特别如手机、平板、秒控键盘等会不经意从高处掉落，抗震性差，同时人们在使用电子产品时会频繁触摸电子产品，致使电子产品及其外壳出现断裂，表面出现不同程度的磨损，极大不利于电子产品的推广。
发明内容
本发明的目的在于提供一种防污耐脏材料，以解决上述背景技术中提出的问题。
为实现上述目的，本发明提供如下技术方案：一种防污耐脏材料，它由以下步骤制备而成：
按重量份将12-60份热可塑性聚氨酯、30-75份聚甲醛、30-50份聚乙烯和12-25份聚烯氟乙烯置于混料机混合搅拌15-25min，搅拌温度为50-120℃，搅拌完毕静置1-5min后得到混料a；
按重量份将16-30份二氧化钼、3-9份炭黑、20-35份增韧剂、8-16份导热剂和10-25份软化增塑剂置于混料机内进行混合搅拌20-30min，以得到混料b，其混料机的搅拌温度为30-60℃；
将混料a与混料b进行混合搅拌5-10min以实现混料混合改性塑化，改性塑化的材料加入至90-180℃的密炼机内，炼造15-45min后制得发泡材料；
按重量份将1-5份抗氧剂、2-15份发泡剂、7-30份泡沫稳定剂与发泡材料在70-160℃的混料机内混料搅拌15-25min，以得到初混物；
初混物加入至80-120℃的开炼机进行开炼以得到开炼材料，将开炼材料投入至挤出设备进行挤出造粒以得到材料颗粒；
将材料颗粒温度降至20-25℃即可得到防污耐脏材料。
进一步地，所述混料a在制备过程中还添加有1-5份润滑剂和3-15份甲醛吸收剂，其润滑剂采用硬脂酸钙或乙撑双硬脂酸酰胺或硅油，甲醛吸收剂采用双氰胺或三聚氰胺或聚烷撑酰亚胺化合物。
进一步地，所述混料a与混料b在混合改性塑化时的混合搅拌温度为120-200℃。
进一步地，所述增韧剂采用普通弹性体增韧剂与树脂类增韧剂混合制成，其普通弹性体增韧剂与树脂类增韧剂的使用占比为{1-3}：{4-7}，普通弹性体增韧剂采用乙丙橡胶或丁基橡胶或丁苯橡胶，树脂类增韧剂采用苯乙烯-丁二烯热塑性弹性体或丙烯腈-丁二烯-苯乙烯共聚物。
进一步地，所述混料b在制备过程中还添加有2-10份偶联剂和5-20份阻燃剂，其偶联剂采用硅烷偶联剂，其硅烷偶联剂为KH-560或KH-550或KH-570，阻燃剂采用无机磷系阻燃剂。
进一步地，所述软化增塑剂采用苯二甲酸酯或邻苯二甲酸酯类或对苯二甲酸酯类。
进一步地，所述导热剂粒径为1-20μm，导热剂采用氧化铝粉末或氧化镁或硅酸钙或铜粉或氮化铝。
进一步地，所述发泡剂为烃类发泡剂或氢化氟烷烃发泡剂或ADC发泡剂。
进一步地，所述挤出设备采用双螺杆挤出机，其在开炼材料进行挤出作业的挤出温度为170-280℃，挤出压力为30-60Mpa。
进一步地，所述材料颗粒需采用风冷设备或水冷设备进行降温，以得到防污耐脏材料。
本发明的有益效果是：
本发明防污耐脏材料的导热系数高、拉伸强度大，抗冲击能力强，具有极佳抗震效果，弹性和硬度大，防水效果好，污物附着率低，耐磨、耐脏防污性能高，并且具有极佳的阻燃性能，整体加工性能好结构稳定，特别适合作为电子产品壳体的制作原料，让电子产品散热性能更佳。
附图说明
图1为本发明制备流程示意框图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
实施例一
一种防污耐脏材料，它由以下重量份的原料制备而成：
12热可塑性聚氨酯、30份聚甲醛、30份聚乙烯、12份聚烯氟乙烯、1份润滑剂、3份甲醛吸收剂、16份二氧化钼、3份炭黑、20份增韧剂、8份导热剂、10份软化增塑剂、2份偶联剂、5份阻燃剂、1份抗氧剂、2份发泡剂、7份泡沫稳定剂。
防污耐脏材料的制备步骤：将热可塑性聚氨酯、聚甲醛、聚乙烯、聚烯氟乙烯、润滑剂和甲醛吸收剂置于混料机混合搅拌15min，搅拌温度为50℃，搅拌完毕静置1min得到混料a；将二氧化钼、炭黑、增韧剂、导热剂、软化增塑剂、偶联剂和阻燃剂置于混料机进行混合搅拌20min，搅拌温度为30℃，得到混料b；将混料a与混料b进行混合搅拌5min以实现混料混合改性塑化，混合搅拌温度为120℃，改性塑化的材料加入至90℃的密炼机内，炼造15min后制得发泡材料；将抗氧剂、发泡剂、泡沫稳定剂与发泡材料在70℃的混料机内混料搅拌15min以得到初混物；初混物中加入至80℃的开炼机进行开炼以得到开炼材料，将开炼材料投入至挤出设备挤出造粒得材料颗粒，挤出设备采用双螺杆挤出机，其挤出温度为170℃，挤出压力为30Mpa；采用风冷设备或水冷设备将材料颗粒温度降至20℃即可得到防污耐脏材料。
实施例二
一种防污耐脏材料，它由以下步骤制备而成：按重量份将36份热可塑性聚氨酯、52份聚甲醛、40份聚乙烯、18份聚烯氟乙烯、3份润滑剂和9份甲醛吸收剂置于混料机混合搅拌20min，搅拌温度为90℃，搅拌完毕静置3min得到混料a；按重量份将28份二氧化钼、6份炭黑、27份增韧剂、12份导热剂、17份软化增塑剂、6份偶联剂和14份阻燃剂置于混料机进行混合搅拌25min，搅拌温度为45℃，得到混料b；将混料a与混料b进行混合搅拌7min以实现混料混合改性塑化，混合搅拌温度为160℃，改性塑化的材料加入至135℃的密炼机内，炼造30min后制得发泡材料；按重量份将3份抗氧剂、7份发泡剂、18份泡沫稳定剂与发泡材料在115℃的混料机内混料搅拌20min，以得到初混物；初混物中加入至100℃的开炼机进行开炼以得到开炼材料，将开炼材料投入至挤出设备挤出造粒得材料颗粒，挤出设备采用双螺杆挤出机，其挤出温度为125℃，挤出压力为45Mpa；采用风冷设备或水冷设备将材料颗粒温度降至22℃即可得到防污耐脏材料。
实施例三
一种防污耐脏材料，它由以下步骤制备而成：按重量份将60份热可塑性聚氨酯、75份聚甲醛、50份聚乙烯、25份聚烯氟乙烯、5份润滑剂和15份甲醛吸收剂置于混料机混合搅拌25min，搅拌温度为120℃，搅拌完毕静置5min得到混料a；按重量份将30份二氧化钼、9份炭黑、35份增韧剂、16份导热剂、25份软化增塑剂、10份偶联剂和20份阻燃剂置于混料机进行混合搅拌30min，搅拌温度为60℃，得到混料b；将混料a与混料b进行混合搅拌10min以实现混料混合改性塑化，混合搅拌温度为200℃，改性塑化的材料加入至180℃的密炼机内，炼造45min后制得发泡材料；按重量份将5份抗氧剂、15份发泡剂、30份泡沫稳定剂与发泡材料在160℃的混料机内混料搅拌25min，以得到初混物；初混物中加入至120℃的开炼机进行开炼以得到开炼材料，将开炼材料投入至挤出设备挤出造粒得材料颗粒，挤出设备采用双螺杆挤出机，其挤出温度为280℃，挤出压力为60Mpa；采用风冷设备或水冷设备将材料颗粒温度降至25℃即可得到防污耐脏材料。
特别说明的是，实施例一、实施例二和实施例三中所提及的聚乙烯，其密度为0.900-0.978克/立方厘米，聚甲醛的粒径为40-230μm，二氧化钼的粒径为30-120μm、炭黑的粒径为30-95μm。
结合实施例一、实施例二和实施例三中的混料机，其混料机的搅拌转速为14-200转/分钟；提及的混料机采用但不限于SLD-15型卧式螺带混料机或DSH-15N型双螺旋锥形混料机；上述所提及的双螺杆挤出机，其螺杆转速为20-80转/分钟；设定的风冷设备能采用但不限于大洋牌FG4000型风冷机，所提及的水冷设备采用但不限于BARROW型水冷机。
需要说明的是，上述实施例一、实施例二和实施例三中，所给出的润滑剂采用但不限于硬脂酸钙或乙撑双硬脂酸酰胺或硅油，甲醛吸收剂采用但不限于双氰胺或三聚氰胺或聚烷撑酰亚胺化合物；其中，增韧剂采用普通弹性体增韧剂与树脂类增韧剂混合制成，其普通弹性体增韧剂与树脂类增韧剂的使用占比为{1-3}：{4-7}；本发明实施例一、实施例二和实施例三中，普通弹性体增韧剂与树脂类增韧剂的使用占比为3:7；普通弹性体增韧剂采用但不限于乙丙橡胶或丁基橡胶或丁苯橡胶，树脂类增韧剂采用但不限于苯乙烯-丁二烯热塑性弹性体或丙烯腈-丁二烯-苯乙烯共聚物，通过增韧剂来提高该防污耐脏材料的绝缘性能、抗氧化性和耐候性。
其中，偶联剂采用硅烷偶联剂，其硅烷偶联剂为KH-560或KH-550或KH-570，阻燃剂采用无机磷系阻燃剂，无机磷系阻燃剂为红磷、磷酸铵盐、聚磷酸铵、磷酸盐、聚磷酸盐中的任意一种；其中，软化增塑剂采用苯二甲酸酯或邻苯二甲酸酯类或对苯二甲酸酯类；其中，导热剂粒径为1-20μm，导热剂采用氧化铝粉末或氧化镁或硅酸钙或铜粉或氮化铝；其中，发泡剂为烃类发泡剂或氢化氟烷烃发泡剂或ADC发泡剂，本发明实施例一、实例二和实施例三中，发泡剂为环戊烷、异丁烷、聚醚中的任意一种。
表1本发明防污耐脏材料的性能参数
Figure BDA0003753331520000061
从表1中可以看出：
本发明实施例一、实施例二和实施例三制得的材料导热系数高、拉伸强度大，抗冲击能力强，具有极佳的抗震效果、弹性和硬度大，防水效果好，污染物附着率低，耐磨、耐脏防污性能高，并且具有极佳的阻燃性能，整体加工性能好结构稳定，特别适合作为电子产品壳体的制作原料，让电子产品散热性能更佳。
以上实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上实施例仅表达了本发明的优选的实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制；应当指的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以作出若干变形和改进，这些都属于本发明的保护范围；尽管已示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。

Claims (10)

1.一种防污耐脏材料，其特征在于，它由以下步骤制备而成：
按重量份将12-60份热可塑性聚氨酯、30-75份聚甲醛、30-50份聚乙烯和12-25份聚烯氟乙烯置于混料机混合搅拌15-25min，搅拌温度为50-120℃，搅拌完毕静置1-5min后得到混料a；
按重量份将16-30份二氧化钼、3-9份炭黑、20-35份增韧剂、8-16份导热剂和10-25份软化增塑剂置于混料机内进行混合搅拌20-30min，以得到混料b，其混料机的搅拌温度为30-60℃；
将混料a与混料b进行混合搅拌5-10min以实现混料混合改性塑化，改性塑化的材料加入至90-180℃的密炼机内，炼造15-45min后制得发泡材料；
按重量份将1-5份抗氧剂、2-15份发泡剂、7-30份泡沫稳定剂与发泡材料在70-160℃的混料机内混料搅拌15-25min，以得到初混物；
初混物加入至80-120℃的开炼机进行开炼以得到开炼材料，将开炼材料投入至挤出设备进行挤出造粒以得到材料颗粒；
将材料颗粒温度降至20-25℃即可得到防污耐脏材料。
2.根据权利要求1所述的一种防污耐脏材料，其特征在于：所述混料a在制备过程中还添加有1-5份润滑剂和3-15份甲醛吸收剂，其润滑剂采用硬脂酸钙或乙撑双硬脂酸酰胺或硅油，甲醛吸收剂采用双氰胺或三聚氰胺或聚烷撑酰亚胺化合物。
3.根据权利要求1所述的一种防污耐脏材料，其特征在于：所述混料a与混料b在混合改性塑化时的混合搅拌温度为120-200℃。
4.根据权利要求1所述的一种防污耐脏材料，其特征在于：所述增韧剂采用普通弹性体增韧剂与树脂类增韧剂混合制成，其普通弹性体增韧剂与树脂类增韧剂的使用占比为{1-3}：{4-7}，普通弹性体增韧剂采用乙丙橡胶或丁基橡胶或丁苯橡胶，树脂类增韧剂采用苯乙烯-丁二烯热塑性弹性体或丙烯腈-丁二烯-苯乙烯共聚物。
5.根据权利要求1所述的一种防污耐脏材料，其特征在于：所述混料b在制备过程中还添加有2-10份偶联剂和5-20份阻燃剂，其偶联剂采用硅烷偶联剂，其硅烷偶联剂为KH-560或KH-550或KH-570，阻燃剂采用无机磷系阻燃剂。
6.根据权利要求1所述的一种防污耐脏材料，其特征在于：所述软化增塑剂采用苯二甲酸酯或邻苯二甲酸酯类或对苯二甲酸酯类。
7.根据权利要求1所述的一种防污耐脏材料，其特征在于：所述导热剂粒径为1-20μm，导热剂采用氧化铝粉末或氧化镁或硅酸钙或铜粉或氮化铝。
8.根据权利要求1所述的一种防污耐脏材料，其特征在于：所述发泡剂为烃类发泡剂或氢化氟烷烃发泡剂或ADC发泡剂。
9.根据权利要求1所述的一种防污耐脏材料，其特征在于：所述挤出设备采用双螺杆挤出机，其在开炼材料进行挤出作业的挤出温度为170-280℃，挤出压力为30-60Mpa。
10.根据权利要求1所述的一种防污耐脏材料，其特征在于：所述材料颗粒需采用风冷设备或水冷设备进行降温，以得到防污耐脏材料。
CN202210850592.0A 2022-07-19 2022-07-19 一种防污耐脏材料 Pending CN115093672A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210850592.0A CN115093672A (zh) 2022-07-19 2022-07-19 一种防污耐脏材料

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210850592.0A CN115093672A (zh) 2022-07-19 2022-07-19 一种防污耐脏材料

Publications (1)

Publication Number Publication Date
CN115093672A true CN115093672A (zh) 2022-09-23

Family

ID=83298371

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210850592.0A Pending CN115093672A (zh) 2022-07-19 2022-07-19 一种防污耐脏材料

Country Status (1)

Country Link
CN (1) CN115093672A (zh)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103804762A (zh) * 2014-02-28 2014-05-21 浙江润阳新材料科技有限公司 一种高导热发泡材料
CN105237942A (zh) * 2015-10-12 2016-01-13 神华集团有限责任公司 一种增韧聚甲醛复合材料及其制备方法
US20160009885A1 (en) * 2013-12-30 2016-01-14 Mbs Environmental Technology Corporation High filling and high resilience soft foaming polyethylene material and preparation method thereof
CN105778401A (zh) * 2014-12-18 2016-07-20 神华集团有限责任公司 聚甲醛泡沫组合物、制法及包括其的结构泡沫材料
CN107011622A (zh) * 2017-04-28 2017-08-04 东莞市耐格美塑胶制品有限公司 一种超耐磨pom/ptfe板材及其制备方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160009885A1 (en) * 2013-12-30 2016-01-14 Mbs Environmental Technology Corporation High filling and high resilience soft foaming polyethylene material and preparation method thereof
CN103804762A (zh) * 2014-02-28 2014-05-21 浙江润阳新材料科技有限公司 一种高导热发泡材料
CN105778401A (zh) * 2014-12-18 2016-07-20 神华集团有限责任公司 聚甲醛泡沫组合物、制法及包括其的结构泡沫材料
CN105237942A (zh) * 2015-10-12 2016-01-13 神华集团有限责任公司 一种增韧聚甲醛复合材料及其制备方法
CN107011622A (zh) * 2017-04-28 2017-08-04 东莞市耐格美塑胶制品有限公司 一种超耐磨pom/ptfe板材及其制备方法

Similar Documents

Publication Publication Date Title
CA2663275C (en) Compositions for compounding, extrusion and melt processing of foamable and cellular fluoropolymers
CN104927216A (zh) 一种橡塑共混高阻燃绝热保温材料
CN106349539A (zh) 阻燃隔热发泡片材及其制备方法
CN111303516A (zh) 一种环保型电力电缆绝缘用热塑型可剥离半导电屏蔽料及其制备方法
CN110643138B (zh) 改性阻燃abs材料及其制备方法
CN113788999A (zh) 一种高阻燃耐寒低烟无卤电缆料及其制备工艺
CN111423723A (zh) 用于5g的增强聚苯硫醚组合物及其制备方法
CN102898809A (zh) 一种无卤阻燃聚苯醚电缆料及其制备和应用
CN115093672A (zh) 一种防污耐脏材料
CN103012918B (zh) 一种用于同轴电缆的发泡成核母料及其制备方法
CN109251403B (zh) 一种轨道交通用阻燃隔音复合材料及其制备方法
CN101320602B (zh) 耐寒电缆用改性pe护套或绝缘材料及其制造方法
CN108117693A (zh) 一种户外高电压电器元件用无卤阻燃聚丙烯材料及其制备方法
CN103160027A (zh) 一种v-0阻燃抗静电聚丙烯材料及其制备方法
CN106947153A (zh) 一种化学发泡聚乙烯组合物及其制备方法和应用
CN114479410A (zh) 一种低介电损耗lds工程塑料及其制备方法
WO2011040463A1 (ja) ２次元通信用低誘電シートおよびその製造方法、通信用シート構造体
KR20170038252A (ko) 셀 균일도와 난연성이 향상된 발포폴리스틸렌의 난연 마스터배치 및 그 제조방법
JP4517160B2 (ja) 電子機器の断熱構造
CN107418041A (zh) 一种插座用超韧阻燃聚乙烯及制备方法
CN113969014A (zh) 一种乙烯-醋酸乙烯发泡吸波材料
CN103804762A (zh) 一种高导热发泡材料
CN101100099A (zh) 同轴电缆绝缘层的制造方法和发泡材料及材料加工工艺
CN104672690A (zh) 一种电线电缆用可发泡组合物
JP2009209170A (ja) 難燃性無架橋ポリプロピレン系樹脂発泡ボードおよびその製造方法

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20220923

RJ01 Rejection of invention patent application after publication