CN105965815A - 一种聚酰亚胺薄膜与氟膜的复合工艺 - Google Patents
一种聚酰亚胺薄膜与氟膜的复合工艺 Download PDFInfo
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- 229910052731 fluorine Inorganic materials 0.000 title claims abstract description 67
- 239000011737 fluorine Substances 0.000 title claims abstract description 67
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- 238000005516 engineering process Methods 0.000 title abstract description 7
- 229920001721 polyimide Polymers 0.000 title abstract description 6
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- 229920009441 perflouroethylene propylene Polymers 0.000 description 7
- 229920001577 copolymer Polymers 0.000 description 6
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 6
- -1 perfluoroethylene-propylene Chemical group 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 3
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- 239000011347 resin Substances 0.000 description 3
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- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 3
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C48/25—Component parts, details or accessories; Auxiliary operations
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
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- B29C2948/92152—Thickness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29K2079/00—Use of polymers having nitrogen, with or without oxygen or carbon only, in the main chain, not provided for in groups B29K2061/00 - B29K2077/00, as moulding material
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Abstract
本发明公开了一种聚酰亚胺薄膜与氟膜的复合工艺,其具体的工艺步骤如下:(1)选用粒子形状或粉末形状的氟膜原料,并将氟膜原料在100‑140℃的温度下进行烘烤,烘烤时间为2‑4小时,以清除内部水份为目的;(2)将干燥完成的氟膜原料加入到挤出机料斗,并将挤出机的温度设置为大于等于270℃,使得氟膜原料呈熔融状态;(3)对聚酰亚胺薄膜原料进行放卷,挤出机通过模头将熔融状态氟膜原料均匀的涂覆在聚酰亚胺薄膜的涂覆面,形成一层薄的氟膜。本发明采用熔融状态的氟膜原料涂覆在聚酰亚胺薄膜的涂覆面,使得复合产品的质量提升,同时加工效率得到提升。本发明使产品由原来的半透明状提升到了透明状,而且没有了表面的裂纹,粘接力更稳定。
Description
技术领域
本发明涉及一种复合工艺,具体是一种聚酰亚胺薄膜与氟膜的复合工艺。
背景技术
传统的聚酰亚胺薄膜复合工艺中,采用液态原材料在聚酰亚胺薄膜的表面进行浸涂,而液态原材料中含有乳化剂和催化剂,在加工中通过烘烤对其进行蒸发,但是无法彻底将乳化剂和催化剂去除,造成残留。而针对残留物目前大多数厂家选择不处理,只有极少数处理,而且处理的也不彻底,并且在蒸发的过程中会产生气体污染。传统的技术由于经过高温烘烤,会对底材(聚酰亚胺薄膜)的性能产生一定影响。因为液体状原料由于分散不是很好,会部分造成粘接力低。传统技术生产出的是磨砂状的表面,透明度差的。
发明内容
本发明的目的在于提供一种无污染、透明度高,且低成本的聚酰亚胺薄膜与氟膜的复合工艺,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:
一种聚酰亚胺薄膜与氟膜的复合工艺,其具体的工艺步骤如下:
(1)选用粒子形状或粉末形状的氟膜原料,并将氟膜原料在100-140℃的温度下进行烘烤,烘烤时间为2-4小时,以清除内部水份为目的;
(2)将干燥完成的氟膜原料加入到挤出机料斗,并将挤出机的温度设置为大于等于270℃,使得氟膜原料呈熔融状态;
(3)对聚酰亚胺薄膜原料进行放卷,挤出机的模头将熔融状态氟膜原料均匀的涂覆在聚酰亚胺薄膜的涂覆面,形成一层薄的氟膜;
(4)利用收卷设备将聚酰亚胺薄膜与氟膜复合后的片材进行收卷。
作为本发明进一步的方案:所述氟膜与聚酰亚胺薄膜同时挤出成膜和复合一步完成,或者先生产出氟膜再与聚酰亚胺薄膜复合。
作为本发明进一步的方案:步骤(3)中聚酰亚胺薄膜原料的放卷速度0-30米/分钟或者更高速度。
作为本发明进一步的方案:步骤(3)中聚酰亚胺薄膜的涂覆面为单面或者双面。
作为本发明进一步的方案:步骤(3)中的氟膜原料为FEP、PFA、ETFC或PVDF。
与现有技术相比,本发明的有益效果是:本发明采用熔融状态的氟膜原料涂覆在聚酰亚胺薄膜的涂覆面,使得复合产品的质量提升,同时加工效率得到提升。同时无需考虑液体张力的问题,使聚酰亚胺膜自身性能没有明显降低,整体由原来的半透明状提升到了透明状,而且没有了表面的裂纹,粘接力更稳定。本发明的复合工艺使得电费、人工、原材料费用都大大节省,更主要的是不会对环境产生污染。
具体实施方式
下面将结合本发明实施例,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1
本发明实施例中,一种聚酰亚胺薄膜与氟膜的复合工艺,其具体的工艺步骤如下:
(1)选用粒子形状或粉末形状的氟膜原料,并将氟膜原料在100℃的温度下进行烘烤,烘烤时间为2小时,以清除内部水份;
(2)将干燥完成的氟膜原料加入到挤出机料斗,并将挤出机的温度设置为大于等于270℃,使得氟膜原料呈熔融状态;
其中FEP树脂为聚全氟乙丙烯,也叫F46(四氟乙烯和六氟丙烯的共聚物)(英文Fluorinated Ethylene Propylene)、PFA(四氟乙烯-全氟乙烯基烷氧基醚共聚物,也叫可溶性聚四氟乙烯)(英文Polytetrafluoro ethylene)、ETFE(乙烯-四氟乙烯共聚物)(英文Ethylene-tetra-fluoro-ethylene), PVDF(聚偏氟乙烯)(vinylidene fluoride),AF(无定形氟聚合物)(英文Amorphous Fluoropolymers),ECA(英文Epitaxial Co-crystallizedAlloys)等材料;
(3)对聚酰亚胺薄膜原料进行放卷,放卷速度大于0米/分钟,挤出机通过模头将熔融状态氟膜原料均匀的涂覆在聚酰亚胺薄膜的涂覆面,形成一层薄的氟膜,且聚酰亚胺薄膜可进行单面或者双面的涂覆;
(4)利用收卷设备将聚酰亚胺薄膜与氟膜复合后的片材进行收卷。
实施例2
本发明实施例中,一种聚酰亚胺薄膜与氟膜的复合工艺,其具体的工艺步骤如下:
(1)选用粒子形状或粉末形状的氟膜原料,并将氟膜原料在120℃的温度下进行烘烤,烘烤时间为3小时,以清除内部水份;
(2)将干燥完成的氟膜原料加入到挤出机料斗,并将挤出机的温度设置为大于等于270℃,使得氟膜原料呈熔融状态;
其中FEP树脂为聚全氟乙丙烯,也叫F46(四氟乙烯和六氟丙烯的共聚物)(英文Fluorinated Ethylene Propylene)、PFA(四氟乙烯-全氟乙烯基烷氧基醚共聚物,也叫可溶性聚四氟乙烯)(英文Perfluoro-alkoxy)、ETFE(乙烯-四氟乙烯共聚物)(英文Ethylene-tetra-fluoro-ethylene), PVDF(聚偏氟乙烯)(vinylidene fluoride),AF(无定形氟聚合物)(英文Amorphous Fluoropolymers),ECA(英文Epitaxial Co-crystallized Alloys)等材料;
(3)对聚酰亚胺薄膜原料进行放卷,放卷速度大于0米/分钟,挤出机通过模头将熔融状态氟膜原料均匀的涂覆在聚酰亚胺薄膜的涂覆面,形成一层薄的氟膜,且聚酰亚胺薄膜可进行单面或者双面的涂覆;
(4)利用收卷设备将聚酰亚胺薄膜与氟膜复合后的片材进行收卷。
实施例3
本发明实施例中,一种聚酰亚胺薄膜与氟膜的复合工艺,其具体的工艺步骤如下:
(1)选用粒子形状或粉末形状的氟膜原料,并将氟膜原料在140℃的温度下进行烘烤,烘烤时间为4小时,以清除内部水份;
(2)将干燥完成的氟膜原料加入到挤出机料斗,并将挤出机的温度设置为大于等于270℃,使得氟膜原料呈熔融状态;
其中FEP树脂为聚全氟乙丙烯,也叫F46(四氟乙烯和六氟丙烯的共聚物)(英文Fluorinated Ethylene Propylene)、PFA(四氟乙烯-全氟乙烯基烷氧基醚共聚物,也叫可溶性聚四氟乙烯)(英文Perfluoro-alkoxy)、ETFE(乙烯-四氟乙烯共聚物)(英文Ethylene-tetra-fluoro-ethylene), PVDF(聚偏氟乙烯)(vinylidene fluoride),AF(无定形氟聚合物)(英文Amorphous Fluoropolymers),ECA(英文Epitaxial Co-crystallized Alloys)等材料;
(3)对聚酰亚胺薄膜原料进行放卷,放卷速度大于0米/分钟,挤出机通过模头将熔融状态氟膜原料均匀的涂覆在聚酰亚胺薄膜的涂覆面,形成一层薄的氟膜,且聚酰亚胺薄膜可进行单面或者双面的涂覆;
(4)利用收卷设备将聚酰亚胺薄膜与氟膜复合后的片材进行收卷。
实施例4
所述氟膜与聚酰亚胺薄膜可以同时挤出成膜和复合一步完成,或者先生产出氟膜再与聚酰亚胺薄膜复合。
对于本领域技术人员而言,显然本发明不限于上述示范性实施例的细节,而且在不背离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。
此外,应当理解,虽然本说明书按照实施方式加以描述,但并非每个实施方式仅包含一个独立的技术方案,说明书的这种叙述方式仅仅是为清楚起见,本领域技术人员应当将说明书作为一个整体,各实施例中的技术方案也可以经适当组合,形成本领域技术人员可以理解的其他实施方式。
Claims (5)
1.一种聚酰亚胺薄膜与氟膜的复合工艺,其特征在于,其具体的工艺步骤如下:
(1)选用粒子形状或粉末形状的氟膜原料,并将氟膜原料在100-140℃的温度下进行烘烤,烘烤时间为2-4小时,以清除内部水份为目的;
(2)将干燥完成的氟膜原料加入到挤出机料斗,并将挤出机的温度设置为大于等于270℃,使得氟膜原料呈熔融状态;
(3)对聚酰亚胺薄膜原料进行放卷,挤出机的模头将熔融状态氟膜原料均匀的涂覆在聚酰亚胺薄膜的涂覆面,形成一层薄的氟膜;
(4)利用收卷设备将聚酰亚胺薄膜与氟膜复合后的片材进行收卷。
2.根据权利要求1所述的一种聚酰亚胺薄膜与氟膜的复合工艺,其特征在于,步骤(3)中聚酰亚胺薄膜原料的放卷速度大于0米/分钟。
3.根据权利要求1所述的一种聚酰亚胺薄膜与氟膜的复合工艺,其特征在于,步骤(3)中聚酰亚胺薄膜的涂覆面为单面或者双面。
4.根据权利要求1所述的一种聚酰亚胺薄膜与氟膜的复合工艺,其特征在于,所述氟膜原料为FEP、PFA、ETFC或PVDF。
5.根据权利要求1或4所述的一种聚酰亚胺薄膜与氟膜的复合工艺,其特征在于,所述氟膜与聚酰亚胺薄膜同时挤出成膜和复合一步完成,或者先生产出氟膜再与聚酰亚胺薄膜复合。
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CN112895641A (zh) * | 2021-01-25 | 2021-06-04 | 东营林福商贸有限公司 | 一种聚酰亚胺薄膜-氟薄膜及其压合方法、压合装置和应用 |
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