CN112430345A - 一种防静电的薄膜生产工艺 - Google Patents
一种防静电的薄膜生产工艺 Download PDFInfo
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Abstract
本发明公开了一种防静电的薄膜生产工艺,涉及薄膜生产技术领域;为了减小薄膜对环境的敏感度;包括以下步骤:S1:选料;S2:捏合;S3:吹膜成型;S4:抗静电、热封涂覆处理;S5:分切;S6:检验;S7:包装、成品。本发明采用涂料生产防静电薄膜,涂层型防静电技术,不使用表面抗静电剂的溶液对薄膜的表面进行涂布,采用导电性涂料涂复在塑料表面、形成均匀的涂层,使薄膜导电性,使之成为具有防静电材料,并且导电性涂料对环境敏感度较小,环境在一定范围内变化,不会影响薄膜的防静电效果;吹膜成型中调整开口,冷却吹塑制品时,保证在一定的充气压力下进行第一次冷却定型,薄膜冷却紧贴在模具下,使冷却后的薄膜厚度更加均匀。
Description
技术领域
本发明涉及薄膜生产技术领域,尤其涉及一种防静电的薄膜生产工艺。
背景技术
薄膜是一种薄而软的透明薄片,用塑料、胶粘剂、橡胶或其他材料制成,薄膜科学上的解释为:由原子,分子或离子沉积在基片表面形成的二维材料,例:光学薄膜、复合薄膜、超导薄膜、聚酯薄膜、尼龙薄膜、塑料薄膜等等;薄膜被广泛用于电子电器,机械,印刷等行业,薄膜材料是指厚度介于单原子到几毫米间的薄金属或有机物层,电子半导体功能器件和光学镀膜是薄膜技术的主要应用。
现有技术中主要是将抗静电剂经计量后直接混入到塑料粒子(或者粉末)中,工艺方便易行,还可以根据生产抗静电薄膜的实际需要,添加一些必要的助剂,以改进产品的性能,但利用内部抗静电剂生产抗静电薄膜,其抗静电性能明显地受环境湿度的影响,在湿度较低的情况下,薄膜的抗静电性能低下,当大气湿度低于25%时,基本上失去实际使用价值,因此需要减小薄膜对环境的敏感度。
发明内容
本发明的目的是为了解决现有技术中存在的缺点,而提出的一种防静电的薄膜生产工艺。
为了实现上述目的,本发明采用了如下技术方案:
一种防静电的薄膜生产工艺,包括以下步骤:
S1:选料;
S2:捏合;
S3:吹膜成型;
S4:抗静电、热封涂覆处理;
S5:分切;
S6:检验;
S7:包装、成品。
优选地:所述S1选用主原料包括聚氯乙烯树脂50-80份、聚乙烯-烯烃共聚物20-30份、铅盐稳定剂2-3份、增塑剂5-15份、阻燃剂3-5份、润滑剂3-5份、抗老化剂2-3份和爽滑剂2-3份;抗静电原料:200g水、50g30%水性聚氨酯粘合剂、3-8g粉末状氧化锡、3-8g氧化锌、3-8g氧化钛、3-8g氧化铟、3-8g氧化镉、1-2gSbCl8、1-2gSnC14、1-2gSn02、1-2gSb2O5和200g丙烯酸树脂。
优选地:所述S2中将S1中所有主原料:聚氯乙烯树脂50-80份、聚乙烯-烯烃共聚物20-30份、铅盐稳定剂2-3份、增塑剂5-15份、阻燃剂3-5份、润滑剂3-5份、抗老化剂2-3份和爽滑剂2-3份充分混合。
优选地:所述S3中挤出吹膜成型工艺过程挤出吹膜成型工艺过程包括以下几个步骤:
S31:利用挤出机完成对塑料的输送、压缩、熔化、塑化、排气等功能,并将熔体泵入机头,按预先设定好的程序,在预定的时间,从管状机头挤出适当厚度和直径的型坯,垂挂在安装于机头正下方的预先分开的吹膜模具的型腔中;
S32:当下垂的型坯达到预定的长度时,立即闭合吹塑用的两半模具,利用模具的闭合力,将型坯切断并夹持在两半模具之间,切断后移至另一工位,从型坯一端插入吹管头,并确保吹管、型坯及吹胀模腔具有相同的中心轴线;
S33:把压缩空气通过模具分型面。上的吹气管头注入型坯,利用压缩空气力将型坯不断向模腔的冷壁进行吹胀,使尚处于可塑状态的管坯被吹胀而紧贴于模具型腔的内壁上,形成与型腔形状一致的制品;
S34:调整开口,冷却吹塑制品,并在保持一定的充气压力的前提下进行第一次冷却定型,以确保冷却在紧贴模具的情况下进行;
S35:第一次冷却定型一段时间后,排出压缩空气;
S36:打开模具,取出制品,切除尾料,供后处理或二次冷却,第一次冷却是在成型模具内进行的,目的是形成制品的外形,但为了提高生产效率,第一次冷却往往不彻底,而是在制品冷却至一定程度基本定型后,移入冷却模具继续进行次冷却;
S37:修整制品,去除制品飞K边,回收边角料,进行质量检测。
优选地:所述S4中将S1中抗静电原料:200g水、50g30%水性聚氨酯粘合剂、3-8g粉末状氧化锡、3-8g氧化锌、3-8g氧化钛、3-8g氧化铟、3-8g氧化镉、1-2gSbCl8、1-2gSnC14、1-2gSn02、1-2gSb2O5和200g丙烯酸树脂充分混合均匀,制成防静电涂层,接着将这些均匀涂抹在成型后的薄膜表面,通过130℃的热固化处理形成防静电涂层。
优选地:所述S5中将表面S4中成品按照客户要求进行切割。
优选地:所述S6中对分切后的样品进行性能测试,检测是否符合标准。
优选地:所述S1中选用主原料:聚氯乙烯树脂50-80份、聚乙烯-烯烃共聚物20-30份、铅盐稳定剂2-3份、增塑剂5-15份、阻燃剂3-5份、润滑剂3-5份、抗老化剂2-3份和爽滑剂2-3份;抗静电原料:200g水、50g 30%水性聚氨酯粘合剂、30-70g炭黑和200g丙烯酸树脂。
优选地:所述S4中将S1中抗静电原料:200g水、50g30%水性聚氨酯粘合剂、30-70g炭黑和200g丙烯酸树脂充分混合均匀,制成防静电涂层,接着将这些均匀涂抹在成型后的薄膜表面,通过130℃的热固化处理形成防静电涂层。
本发明的有益效果为:
1、本发明采用涂料生产防静电薄膜,涂层型防静电技术,不使用表面抗静电剂的溶液对薄膜的表面进行涂布,而是采用导电性涂料涂复在塑料表面、形成均匀的涂层,从而赋予薄膜导电性能,使之成为具有防静电材料,并且导电性涂料对环境敏感度较小,环境在一定范围内变化,不会影响薄膜的防静电效果。
2、本发明在吹膜成型中调整开口,冷却吹塑制品时,保证在一定的充气压力下进行第一次冷却定型,使得薄膜冷却紧贴在模具下,使得冷却后的薄膜厚度更加均匀,且对薄膜进行两次冷却,加快了薄膜的生产速度。
具体实施方式
下面结合具体实施方式对本专利的技术方案作进一步详细地说明。
实施例1:
一种防静电的薄膜生产工艺,包括以下步骤:
S1:选料;
S2:捏合;
S3:吹膜成型;
S4:抗静电、热封涂覆处理;
S5:分切;
S6:检验;
S7:包装、成品。
所述S1选择主原料包括聚氯乙烯树脂50-80份、聚乙烯-烯烃共聚物20-30份、铅盐稳定剂2-3份、增塑剂5-15份、阻燃剂3-5份、润滑剂3-5份、抗老化剂2-3份和爽滑剂2-3份;抗静电原料:200g水、50g30%水性聚氨酯粘合剂、3-8g粉末状氧化锡、3-8g氧化锌、3-8g氧化钛、3-8g氧化铟、3-8g氧化镉、1-2gSbCl8、1-2gSnC14、1-2gSn02、1-2gSb2O5和200g丙烯酸树脂。
所述S2中将S1中所有主原料:聚氯乙烯树脂50-80份、聚乙烯-烯烃共聚物20-30份、铅盐稳定剂2-3份、增塑剂5-15份、阻燃剂3-5份、润滑剂3-5份、抗老化剂2-3份和爽滑剂2-3份充分混合。
所述S3中挤出吹膜成型工艺过程挤出吹膜成型工艺过程包括以下几个步骤:
S31:利用挤出机完成对塑料的输送、压缩、熔化、塑化、排气等功能,并将熔体泵入机头,按预先设定好的程序,在预定的时间,从管状机头挤出适当厚度和直径的型坯,垂挂在安装于机头正下方的预先分开的吹膜模具的型腔中;
S32:当下垂的型坯达到预定的长度时,立即闭合吹塑用的两半模具,利用模具的闭合力,将型坯切断并夹持在两半模具之间,切断后移至另一工位,从型坯一端插入吹管头,并确保吹管、型坯及吹胀模腔具有相同的中心轴线;
S33:把压缩空气通过模具分型面。上的吹气管头注入型坯,利用压缩空气力将型坯不断向模腔的冷壁进行吹胀,使尚处于可塑状态的管坯被吹胀而紧贴于模具型腔的内壁上,形成与型腔形状一致的制品;
S34:调整开口,冷却吹塑制品,并在保持一定的充气压力的前提下进行第一次冷却定型,以确保冷却在紧贴模具的情况下进行;
S35:第一次冷却定型一段时间后,排出压缩空气;
S36:打开模具,取出制品,切除尾料,供后处理或二次冷却,第一次冷却是在成型模具内进行的,目的是形成制品的外形,但为了提高生产效率,第一次冷却往往不彻底,而是在制品冷却至一定程度基本定型后,移入冷却模具继续进行次冷却;
S37:修整制品,去除制品飞K边,回收边角料,进行质量检测。
所述S4中将S1中抗静电原料:200g水、50g30%水性聚氨酯粘合剂、3-8g粉末状氧化锡、3-8g氧化锌、3-8g氧化钛、3-8g氧化铟、3-8g氧化镉、1-2gSbCl8、1-2gSnC14、1-2gSn02、1-2gSb2O5和200g丙烯酸树脂充分混合均匀,制成防静电涂层,接着将这些均匀涂抹在成型后的薄膜表面,通过130℃的热固化处理形成防静电涂层。
所述S5中将表面S4中成品按照客户要求进行切割。
所述S6中对分切后的样品进行性能测试,检测是否符合标准。
实施例2:
一种防静电的薄膜生产工艺,包括以下步骤:
S1:选料;
S2:捏合;
S3:吹膜成型;
S4:抗静电、热封涂覆处理;
S5:分切;
S6:检验;
S7:包装、成品。
所述S1中选用主原料:聚氯乙烯树脂50-80份、聚乙烯-烯烃共聚物20-30份、铅盐稳定剂2-3份、增塑剂5-15份、阻燃剂3-5份、润滑剂3-5份、抗老化剂2-3份和爽滑剂2-3份;抗静电原料:200g水、50g30%水性聚氨酯粘合剂、30-70g炭黑和200g丙烯酸树脂。
所述S2中将S1中主原料:聚氯乙烯树脂50-80份、聚乙烯-烯烃共聚物20-30份、铅盐稳定剂2-3份、增塑剂5-15份、阻燃剂3-5份、润滑剂3-5份、抗老化剂2-3份和爽滑剂2-3份充分混合。
所述S3中挤出吹膜成型工艺过程挤出吹膜成型工艺过程包括以下几个步骤:
S31:利用挤出机完成对塑料的输送、压缩、熔化、塑化、排气等功能,并将熔体泵入机头,按预先设定好的程序,在预定的时间,从管状机头挤出适当厚度和直径的型坯,垂挂在安装于机头正下方的预先分开的吹膜模具的型腔中;
S32:当下垂的型坯达到预定的长度时,立即闭合吹塑用的两半模具,利用模具的闭合力,将型坯切断并夹持在两半模具之间,切断后移至另一工位,从型坯一端插入吹管头,并确保吹管、型坯及吹胀模腔具有相同的中心轴线;
S33:把压缩空气通过模具分型面。上的吹气管头注入型坯,利用压缩空气力将型坯不断向模腔的冷壁进行吹胀,使尚处于可塑状态的管坯被吹胀而紧贴于模具型腔的内壁上,形成与型腔形状一致的制品;
S34:调整开口,冷却吹塑制品,并在保持一定的充气压力的前提下进行第一次冷却定型,以确保冷却在紧贴模具的情况下进行;
S35:第一次冷却定型一段时间后,排出压缩空气;
S36:打开模具,取出制品,切除尾料,供后处理或二次冷却,第一次冷却是在成型模具内进行的,目的是形成制品的外形,但为了提高生产效率,第一次冷却往往不彻底,而是在制品冷却至一定程度基本定型后,移入冷却模具继续进行次冷却;
S37:修整制品,去除制品飞K边,回收边角料,进行质量检测等。
所述S4中将S1中抗静电原料:200g水、50g30%水性聚氨酯粘合剂、30-70g炭黑和200g丙烯酸树脂充分混合均匀,制成防静电涂层,接着将这些均匀涂抹在成型后的薄膜表面,通过130℃的热固化处理形成防静电涂层。
所述S5中将表面S4中成品按照客户要求进行切割。
所述S6中对分切后的样品进行性能测试,检测是否符合标准。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。
Claims (9)
1.一种防静电的薄膜生产工艺,包括以下步骤:
S1:选料;
S2:捏合;
S3:吹膜成型;
S4:抗静电、热封涂覆处理;
S5:分切;
S6:检验;
S7:包装、成品。
2.根据权利要求1所述的一种防静电的薄膜生产工艺,其特征在于,所述S1选用主原料包括聚氯乙烯树脂50-80份、聚乙烯-烯烃共聚物20-30份、铅盐稳定剂2-3份、增塑剂5-15份、阻燃剂3-5份、润滑剂3-5份、抗老化剂2-3份和爽滑剂2-3份;抗静电原料:200g水、50g30%水性聚氨酯粘合剂、3-8g粉末状氧化锡、3-8g氧化锌、3-8g氧化钛、3-8g氧化铟、3-8g氧化镉、1-2gSbCl8、1-2gSnC14、1-2gSn02、1-2gSb2O5和200g丙烯酸树脂。
3.根据权利要求2所述的一种防静电的薄膜生产工艺,其特征在于,所述S2中将S1中所有主原料:聚氯乙烯树脂50-80份、聚乙烯-烯烃共聚物20-30份、铅盐稳定剂2-3份、增塑剂5-15份、阻燃剂3-5份、润滑剂3-5份、抗老化剂2-3份和爽滑剂2-3份充分混合。
4.根据权利要求3所述的一种防静电的薄膜生产工艺,其特征在于,所述S3中挤出吹膜成型工艺过程挤出吹膜成型工艺过程包括以下几个步骤:
S31:利用挤出机完成对塑料的输送、压缩、熔化、塑化、排气等功能,并将熔体泵入机头,按预先设定好的程序,在预定的时间,从管状机头挤出适当厚度和直径的型坯,垂挂在安装于机头正下方的预先分开的吹膜模具的型腔中;
S32:当下垂的型坯达到预定的长度时,立即闭合吹塑用的两半模具,利用模具的闭合力,将型坯切断并夹持在两半模具之间,切断后移至另一工位,从型坯一端插入吹管头,并确保吹管、型坯及吹胀模腔具有相同的中心轴线;
S33:把压缩空气通过模具分型面,上的吹气管头注入型坯,利用压缩空气力将型坯不断向模腔的冷壁进行吹胀,使尚处于可塑状态的管坯被吹胀而紧贴于模具型腔的内壁上,形成与型腔形状一致的制品;
S34:调整开口,冷却吹塑制品,并在保持一定的充气压力的前提下进行第一次冷却定型,以确保冷却在紧贴模具的情况下进行;
S35:第一次冷却定型一段时间后,排出压缩空气;
S36:打开模具,取出制品,切除尾料,供后处理或二次冷却,第一次冷却是在成型模具内进行的,目的是形成制品的外形,但为了提高生产效率,第一次冷却往往不彻底,而是在制品冷却至一定程度基本定型后,移入冷却模具继续进行次冷却;
S37:修整制品,去除制品飞K边,回收边角料,进行质量检测。
5.根据权利要求4所述的一种防静电的薄膜生产工艺,其特征在于,所述S4中将S1中抗静电原料:200g水、50g30%水性聚氨酯粘合剂、3-8g粉末状氧化锡、3-8g氧化锌、3-8g氧化钛、3-8g氧化铟、3-8g氧化镉、1-2gSbCl8、1-2gSnC14、1-2gSn02、1-2gSb2O5和200g丙烯酸树脂充分混合均匀,制成防静电涂层,接着将这些均匀涂抹在成型后的薄膜表面,通过130℃的热固化处理形成防静电涂层。
6.根据权利要求5所述的一种防静电的薄膜生产工艺,其特征在于,所述S5中将表面S4中成品按照客户要求进行切割。
7.根据权利要求6所述的一种防静电的薄膜生产工艺,其特征在于,所述S6中对分切后的样品进行性能测试,检测是否符合标准。
8.根据权利要求1所述的一种防静电的薄膜生产工艺,其特征在于,所述S1中选用主原料:聚氯乙烯树脂50-80份、聚乙烯-烯烃共聚物20-30份、铅盐稳定剂2-3份、增塑剂5-15份、阻燃剂3-5份、润滑剂3-5份、抗老化剂2-3份和爽滑剂2-3份;抗静电原料:200g水、50g30%水性聚氨酯粘合剂、30-70g炭黑和200g丙烯酸树脂。
9.根据权利要求8所述的一种防静电的薄膜生产工艺,其特征在于,所述S4中将S1中抗静电原料:200g水、50g30%水性聚氨酯粘合剂、30-70g炭黑和200g丙烯酸树脂充分混合均匀,制成防静电涂层,接着将这些均匀涂抹在成型后的薄膜表面,通过130℃的热固化处理形成防静电涂层。
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CN113442422A (zh) * | 2021-03-25 | 2021-09-28 | 张豪 | 一种防静电塑料薄膜及其生产工艺 |
CN117565473A (zh) * | 2024-01-17 | 2024-02-20 | 晋江市祥兴纸塑彩印有限公司 | 防静电塑料快递包装袋的生产设备及其生产方法 |
CN117565473B (zh) * | 2024-01-17 | 2024-04-16 | 晋江市祥兴纸塑彩印有限公司 | 防静电塑料快递包装袋的生产方法 |
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