CN110387078A - 一种电子产品用高强度耐刮高分子保护膜及其生产工艺 - Google Patents
一种电子产品用高强度耐刮高分子保护膜及其生产工艺 Download PDFInfo
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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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
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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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- C08J2323/08—Copolymers of ethene
-
- 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
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
-
- 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
- C08J2433/00—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
Abstract
本发明公开了一种电子产品用高强度耐刮高分子保护膜及其生产工艺,所述的保护膜,具体由如下组份制得:80‑100份VA含量为9%‑15%的EVA、10‑20份PP、1‑3份ACR。本发明通过优化原料组份配比和工艺控制,在不提高生产成本的前提下,大大提高了薄膜的强度、耐刮性和回弹性,市场竞争力极强。
Description
技术领域
本发明属于高分子化合物领域,具体涉及一种电子产品用高强度耐刮高分子保护膜及其生产工艺,制得环境友好及耐低温、耐曲折、耐刮、高强度的EVA薄膜。
背景技术
随着EVA薄膜主要成份为醋酸乙烯乙酯,另有加入PP、ACR来增加其耐刮强度和耐曲折性。EVA薄膜主要用于电子产品零件生产传输过程中的防刮保护,产品的硬度越强,对电子产品的保护性能越好,且防曲折、弹性高。
发明内容
发明目的:为了解决现有技术的不足,本发明提供了一种电子产品用高强度耐刮高分子保护膜及其生产工艺。
技术方案:一种电子产品用高强度耐刮高分子保护膜,具体由如下组份制得:80-100份VA含量为9%-15%的EVA、10-20份PP、1-3份ACR。
一种根据所述的电子产品用高强度耐刮高分子保护膜的生产工艺,具体为如下步骤:
步骤一、将所述的颗粒原料组份按配比分别经过计量装置计量,再通过高速混合装置进行混合,然后进行加热除湿烘干;
步骤二、将步骤一中得到的混合物经高温塑化装置进行塑化,再进行三层螺杆挤出机熔融挤出,其中,一区:温度为195℃,厚度为0.05mm-0.08mm;二区:温度为200℃,厚度为0.14mm-0.2mm;三区:温度为185℃,厚度为0.05mm-0.08mm;后经由引离辊引出;
步骤三、冷却处理:采用10~15℃冷冻水冷却成型;
步骤四、卷取包装:将冷却后的薄膜卷取打包,得到所需要的EVA电子产品用高强度耐刮高分子保护膜。
有益效果:本发明通过优化原料组份配比和工艺控制,在不提高生产成本的前提下,大大提高了薄膜的强度、耐刮性和回弹性,市场竞争力极强。
具体实施方式
下面将对本发明实施例中的技术方案进行清楚、完整地描述,以使本领域的技术人员能够更好的理解本发明的优点和特征,从而对本发明的保护范围做出更为清楚的界定。本发明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的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。
具体实施例1
一种电子产品用高强度耐刮高分子保护膜,具体由如下组份制得:80份VA含量为9%-15%的EVA、10份PP、1份ACR。
一种根据所述的电子产品用高强度耐刮高分子保护膜的生产工艺,具体为如下步骤:
步骤一、将所述的颗粒原料组份按配比分别经过计量装置计量,再通过高速混合装置进行混合,然后进行加热除湿烘干;
步骤二、将步骤一中得到的混合物经高温塑化装置进行塑化,再进行三层螺杆挤出机熔融挤出,其中,一区:温度为195℃,厚度为0.05mm;二区:温度为200℃,厚度为0.14mm;三区:温度为185℃,厚度为0.05mm;后经由引离辊引出;
步骤三、冷却处理:采用10℃冷冻水冷却成型;
步骤四、卷取包装:将冷却后的薄膜卷取打包,得到所需要的EVA电子产品用高强度耐刮高分子保护膜。
具体实施例2
一种电子产品用高强度耐刮高分子保护膜,具体由如下组份制得:100份VA含量为9%-15%的EVA、20份PP、3份ACR。
一种根据所述的电子产品用高强度耐刮高分子保护膜的生产工艺,具体为如下步骤:
步骤一、将所述的颗粒原料组份按配比分别经过计量装置计量,再通过高速混合装置进行混合,然后进行加热除湿烘干;
步骤二、将步骤一中得到的混合物经高温塑化装置进行塑化,再进行三层螺杆挤出机熔融挤出,其中,一区:温度为195℃,厚度为0.08mm;二区:温度为200℃,厚度为0.2mm;三区:温度为185℃,厚度为0.08mm;后经由引离辊引出;
步骤三、冷却处理:采用15℃冷冻水冷却成型;
步骤四、卷取包装:将冷却后的薄膜卷取打包,得到所需要的EVA电子产品用高强度耐刮高分子保护膜。
具体实施例3
一种电子产品用高强度耐刮高分子保护膜,具体由如下组份制得:90份VA含量为9%-15%的EVA、14份PP、2份ACR。
一种根据所述的电子产品用高强度耐刮高分子保护膜的生产工艺,具体为如下步骤:
步骤一、将所述的颗粒原料组份按配比分别经过计量装置计量,再通过高速混合装置进行混合,然后进行加热除湿烘干;
步骤二、将步骤一中得到的混合物经高温塑化装置进行塑化,再进行三层螺杆挤出机熔融挤出,其中,一区:温度为195℃,厚度为0.06mm;二区:温度为200℃,厚度为0.17mm;三区:温度为185℃,厚度为0.07mm;后经由引离辊引出;
步骤三、冷却处理:采用13℃冷冻水冷却成型;
步骤四、卷取包装:将冷却后的薄膜卷取打包,得到所需要的EVA电子产品用高强度耐刮高分子保护膜。
本发明通过优化原料组份配比和工艺控制,在不提高生产成本的前提下,大大提高了薄膜的强度、耐刮性和回弹性,市场竞争力极强。
Claims (2)
1.一种电子产品用高强度耐刮高分子保护膜,其特征在于:具体由如下组份制得:80-100份VA含量为9%-15%的EVA、10-20份PP、1-3份ACR。
2.一种根据权利要求1所述的电子产品用高强度耐刮高分子保护膜的生产工艺,其特征在于:具体为如下步骤:
步骤一、将所述的颗粒原料组份按配比分别经过计量装置计量,再通过高速混合装置进行混合,然后进行加热除湿烘干;
步骤二、将步骤一中得到的混合物经高温塑化装置进行塑化,再进行三层螺杆挤出机熔融挤出,其中,一区:温度为195℃,厚度为0.05mm-0.08mm;二区:温度为200℃,厚度为0.14mm-0.2mm;三区:温度为185℃,厚度为0.05mm-0.08mm;后经由引离辊引出;
步骤三、冷却处理:采用10~15℃冷冻水冷却成型;
步骤四、卷取包装:将冷却后的薄膜卷取打包,得到所需要的EVA电子产品用高强度耐刮高分子保护膜。
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA835467A (en) * | 1970-02-24 | Fischer Joseph | Polyolefin compositions | |
US6162865A (en) * | 1996-12-20 | 2000-12-19 | Benecke-Kaliko Ag | High-frequency-weldable polymer mixture |
CN101663353A (zh) * | 2007-04-13 | 2010-03-03 | 纳幕尔杜邦公司 | 聚烯烃、极性乙烯共聚物和官能化乙烯共聚物的共混物 |
CN107960082A (zh) * | 2015-04-15 | 2018-04-24 | 艾利丹尼森公司 | 印刷用非pvc标签薄膜 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA835467A (en) * | 1970-02-24 | Fischer Joseph | Polyolefin compositions | |
US6162865A (en) * | 1996-12-20 | 2000-12-19 | Benecke-Kaliko Ag | High-frequency-weldable polymer mixture |
CN101663353A (zh) * | 2007-04-13 | 2010-03-03 | 纳幕尔杜邦公司 | 聚烯烃、极性乙烯共聚物和官能化乙烯共聚物的共混物 |
CN107960082A (zh) * | 2015-04-15 | 2018-04-24 | 艾利丹尼森公司 | 印刷用非pvc标签薄膜 |
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