CN113415057A - 一种采光瓦用bopet薄膜及其制备方法 - Google Patents
一种采光瓦用bopet薄膜及其制备方法 Download PDFInfo
- Publication number
- CN113415057A CN113415057A CN202110692519.0A CN202110692519A CN113415057A CN 113415057 A CN113415057 A CN 113415057A CN 202110692519 A CN202110692519 A CN 202110692519A CN 113415057 A CN113415057 A CN 113415057A
- Authority
- CN
- China
- Prior art keywords
- film
- layer
- prepared
- bopet film
- polyester
- 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.)
- Granted
Links
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 229920000728 polyester Polymers 0.000 claims abstract description 52
- 239000002346 layers by function Substances 0.000 claims abstract description 29
- 239000010410 layer Substances 0.000 claims abstract description 27
- 239000012792 core layer Substances 0.000 claims abstract description 24
- 239000002994 raw material Substances 0.000 claims abstract description 22
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000004417 polycarbonate Substances 0.000 claims abstract description 19
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 18
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims abstract description 14
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000002745 absorbent Effects 0.000 claims abstract description 9
- 239000002250 absorbent Substances 0.000 claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 9
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 8
- OWBTYPJTUOEWEK-UHFFFAOYSA-N butane-2,3-diol Chemical compound CC(O)C(C)O OWBTYPJTUOEWEK-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims abstract description 4
- 230000008018 melting Effects 0.000 claims abstract description 4
- 238000001125 extrusion Methods 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 15
- 239000012528 membrane Substances 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 10
- 238000007493 shaping process Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 239000004480 active ingredient Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- ZQBAKBUEJOMQEX-UHFFFAOYSA-N salicylic acid phenyl ester Natural products OC1=CC=CC=C1C(=O)OC1=CC=CC=C1 ZQBAKBUEJOMQEX-UHFFFAOYSA-N 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 3
- GDESWOTWNNGOMW-UHFFFAOYSA-N resorcinol monobenzoate Chemical compound OC1=CC=CC(OC(=O)C=2C=CC=CC=2)=C1 GDESWOTWNNGOMW-UHFFFAOYSA-N 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 2
- ISDGWTZFJKFKMO-UHFFFAOYSA-N 2-phenyl-1,3-dioxane-4,6-dione Chemical compound O1C(=O)CC(=O)OC1C1=CC=CC=C1 ISDGWTZFJKFKMO-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000006750 UV protection Effects 0.000 abstract description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 19
- 239000005020 polyethylene terephthalate Substances 0.000 description 19
- 230000000052 comparative effect Effects 0.000 description 6
- 229920006267 polyester film Polymers 0.000 description 3
- KXTAOXNYQGASTA-UHFFFAOYSA-N 2-benzylidenepropanedioic acid Chemical compound OC(=O)C(C(O)=O)=CC1=CC=CC=C1 KXTAOXNYQGASTA-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229920005668 polycarbonate resin Polymers 0.000 description 2
- 239000004431 polycarbonate resin Substances 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920006284 nylon film Polymers 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229920000428 triblock copolymer Polymers 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/71—Resistive to light or to UV
-
- 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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
- C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such 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
- C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2451/06—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
-
- 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
- C08J2469/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/16—Solid spheres
- C08K7/18—Solid spheres inorganic
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
本发明公开了一种采光瓦用BOPET薄膜及其制备方法,涉及BOPET薄膜技术领域,所述薄膜包括聚酯芯层、层叠于聚酯芯层上表面的功能层、层叠于聚酯芯层下表面的抗粘层;所述功能层由以下重量百分比的原料制成:相容剂0.3~0.4%、聚碳酸酯切片3.0~4.0%,三元乙丙橡胶2.0~3.0%,余量为改性PET聚酯切片;其中,改性PET聚酯切片为对苯二甲酸、乙二醇、邻苯二甲酸及2,3‑丁二醇共聚制得,该切片熔点为180℃;所述聚酯芯层由以下重量百分比的原料制成:紫外线吸收剂0.2~0.3%,余量为PET聚酯切片;所述抗粘层由以下重量百分比的原料制成:抗粘剂4.0~5.0%,余量为PET聚酯切片。本发明通过对薄膜功能层配方的改进,实现薄膜与PC采光瓦表面的高粘结牢度,其还具有良好的抗紫外能力。
Description
技术领域
本发明涉及BOPET薄膜技术领域,尤其涉及一种采光瓦用BOPET薄膜及其制备方法。
背景技术
采光瓦又称透明瓦、波浪瓦、采光板、采光带等,其按材质主要分为玻璃钢FRP采光瓦、聚碳酸酯PC采光瓦,PET采光瓦,PVC采光瓦等。近年来,采光瓦的市场需求在逐年上升。其中,PC采光瓦是以高性能的工程塑料聚碳酸酯树脂加工而成,因具有透明度高、质轻、抗冲击、隔音、隔热、难燃、抗老化等特点,在国内运用广泛,其使用寿命可达10年左右。
PC采光瓦由高性能上膜、聚碳酸酯树脂和玻璃纤维组成,其中,玻璃纤维起到增强作用,上膜要起到很好的抗紫外线抗静电的作用,以保护采光板不发黄老化,过早失去透光特性。双向拉伸聚酯薄膜(BOPET)具有高强度、高刚性好、透明、高光泽度、良好的抗静电性好和耐热性、耐油性和耐化学品性等优良特性,其还具有突出的强韧性,拉伸强度是PC膜、尼龙膜的3倍,可以用作PC采光瓦的覆膜材料。然而市场上的常规聚酯薄膜或聚酯热封膜与PC采光瓦材质之间几乎不具有粘结力、易脱落,从而严重影响PC采光瓦的使用寿命及外观质量。
发明内容
基于背景技术存在的技术问题,本发明提出了一种采光瓦用BOPET薄膜及其制备方法,通过对薄膜功能层配方的改进,实现薄膜与采光瓦表面的高粘结牢度。
本发明提出的一种采光瓦用BOPET薄膜,包括聚酯芯层、层叠于聚酯芯层上表面的功能层、和层叠于聚酯芯层下表面的抗粘层;
所述功能层由以下重量百分比的原料制成:相容剂0.3~0.4%、聚碳酸酯切片3.0~4.0%,三元乙丙橡胶2.0~3.0%,余量为改性PET聚酯切片;其中,改性PET聚酯切片为对苯二甲酸、乙二醇、邻苯二甲酸及2,3-丁二醇共聚制得,该切片熔点为180℃;
所述聚酯芯层由以下重量百分比的原料制成:紫外线吸收剂0.2~0.3%,余量为PET聚酯切片;
所述抗粘层由以下重量百分比的原料制成:抗粘剂4.0~5.0%,余量为PET聚酯切片。
优选地,所述对苯二甲酸与邻苯二甲酸的摩尔比为7:1,乙二醇与2,3-丁二醇的摩尔比为5:1。
优选地,所述相容剂是由PE-g-MAH和SEBS-g-MAH组成;优选地,PE-g-MAH和SEBS-g-MAH的重量比为1:1。
优选地,所述紫外线吸收剂的有效成分为苯亚甲基丙二酸酯、单苯甲酸间苯二酚酯、邻羟基苯甲酸苯酯中的一种。
优选地,所述抗粘剂的有效成分含量为50000~60000ppm,有效成分为球形二氧化硅、粒径为3.0~3.5μm。
优选地,所述薄膜厚度为15~25μm;优选地,所述功能层的厚度占薄膜厚度的12%~14%,抗粘层的厚度占薄膜总厚度的8~10%。
在本发明中,功能层的原料组成使得功能层与功能层间的起始热封温度低至80℃,并且实现功能层与采光瓦直接贴合。
上述采光瓦用BOPET薄膜的制备方法,包括以下步骤:
S1、熔融挤出:分别将BOPET薄膜各层材料均匀混合后加入单独的双螺杆挤出机中,经挤出、过滤后,经过三层机构共挤模头进行熔融挤出,模头挤出温度为275~285℃,制得膜片;
S2、冷却:将膜片贴附到转动的激冷辊上冷却形成铸片;
S3、双向拉伸:将铸片纵向拉伸,拉伸倍率3.2~3.5;再横向拉伸,拉伸倍率3.5~3.8,制得BOPET薄膜;
S4、定型收卷:将BOPET薄膜定型,再进行风冷、电晕、测厚、收卷。
有益效果:本发明提出了一种双向拉伸聚酯BOPET薄膜,薄膜功能层含有的聚碳酸酯切片、三元乙丙橡胶、改性聚酯切片三者协同作用,实现薄膜与采光瓦表面的高粘结牢度,在采光瓦的挤出生产过程中,将该薄膜直接平铺在PC采光瓦制品表面(采光瓦温度在70-80℃),功能层与采光瓦表面直接接触即可实现热贴合,两者之间的粘结力可达到2.5N/15mm以上;此外,该BOPET薄膜还具有良好的抗紫外能力,紫外线吸收率达90%以上,能有效阻止紫外线对耐紫外光性能较差的PC采光瓦本身的破坏。本发明的聚酯薄膜在建筑领域市场前景广阔,将其应用于PC采光瓦,不仅提高了采光瓦的使用寿命,同时提高了美观度。
具体实施方式
下面,通过具体实施例对本发明的技术方案进行详细说明。
下述实施例中,相容剂是由由PE-g-MAH和SEBS-g-MAH按照1:1的重量比组成的;其中,PE-g-MAH为聚乙烯接枝马来酸酐共聚物;SEBS-g-MAH中的SEBS是以聚苯乙烯为末端段、以聚丁二烯加氢得到的乙烯-丁烯共聚物为中间弹性嵌段的线性三嵌共聚物;
抗粘剂的有效成分含量为50000~60000ppm,有效成分为球形二氧化硅、粒径为3.0~3.5μm。
改性PET聚酯切片为对苯二甲酸、乙二醇、邻苯二甲酸及2,3-丁元醇共聚制得,其中,对苯二甲酸与邻苯二甲酸的摩尔比为7:1,乙二醇与2,3-丁二醇的摩尔比为5:1,该切片熔点为180℃。
实施例1
本发明提出的一种采光瓦用BOPET薄膜,薄膜总厚度15μm,包括聚酯芯层、层叠于聚酯芯层上表面的功能层及下表面的抗粘层;功能层和抗粘层厚度分别占薄膜总厚度的12%、8%;
所述功能层由以下重量百分比的原料制成:相容剂0.3%、聚碳酸酯切片3.0%,三元乙丙橡胶2.0%,余量为改性PET聚酯切片;
所述抗粘层由以下重量百分比的原料制成:抗粘剂4.0%,余量为PET聚酯切片;
所述聚酯芯层由以下重量百分比的原料制成:紫外线吸收剂0.2%,余量为PET聚酯切片;其中,紫外线吸收剂的有效成分为苯亚甲基丙二酸酯。
上述BOPET薄膜的制备方法如下:
S1、熔融挤出:分别将BOPET薄膜各层材料均匀混合后加入单独的双螺杆挤出机中,经挤出、过滤后,经过三层机构共挤模头进行熔融挤出,模头挤出温度为275℃,制得膜片;
S2、冷却:将膜片贴附到转动的激冷辊上冷却形成铸片;
S3、双向拉伸:将铸片纵向拉伸,拉伸倍率3.2;再横向拉伸,拉伸倍率3.5,制得BOPET薄膜;
S4、定型收卷:将BOPET薄膜定型,再进行风冷、电晕、测厚、收卷。
实施例2
本发明提出的一种采光瓦用BOPET薄膜,薄膜总厚度20μm,包括聚酯芯层、层叠于聚酯芯层上表面的功能层及下表面的抗粘层;功能层和抗粘层厚度分别占薄膜总厚度的13%、9%;
所述功能层由以下重量百分比的原料制成:相容剂0.35%、聚碳酸酯切片3.5%,三元乙丙橡胶2.5%,余量为改性PET聚酯切片;
所述抗粘层由以下重量百分比的原料制成:抗粘剂4.5%,余量为PET聚酯切片;
所述聚酯芯层由以下重量百分比的原料制成:紫外线吸收剂0.25%,余量为PET聚酯切片;其中,紫外线吸收剂的有效成分为单苯甲酸间苯二酚酯。
上述BOPET薄膜的制备方法如下:
S1、熔融挤出:分别将BOPET薄膜各层材料均匀混合后加入单独的双螺杆挤出机中,经挤出、过滤后,经过三层机构共挤模头进行熔融挤出,模头挤出温度为280℃,制得膜片;
S2、冷却:将膜片贴附到转动的激冷辊上冷却形成铸片;
S3、双向拉伸:将铸片纵向拉伸,拉伸倍率3.3;再横向拉伸,拉伸倍率3.6,制得BOPET薄膜;
S4、定型收卷:将BOPET薄膜定型,再进行风冷、电晕、测厚、收卷。
实施例3
本发明提出的一种采光瓦用BOPET薄膜,薄膜总厚度25μm,包括聚酯芯层、层叠于聚酯芯层上表面的功能层及下表面的抗粘层;功能层和抗粘层厚度分别占薄膜总厚度的14%、10%;
所述功能层由以下重量百分比的原料制成:相容剂0.4%、聚碳酸酯切片4.0%,三元乙丙橡胶3.0%,余量为改性PET聚酯切片;
所述抗粘层由以下重量百分比的原料制成:抗粘剂5.0%,余量为PET聚酯切片;
所述聚酯芯层由以下重量百分比的原料制成:紫外线吸收剂0.3%,余量为PET聚酯切片;其中,紫外线吸收剂的有效成分为邻羟基苯甲酸苯酯。
上述BOPET薄膜的制备方法如下:
S1、熔融挤出:分别将BOPET薄膜各层材料均匀混合后加入单独的双螺杆挤出机中,经挤出、过滤后,经过三层机构共挤模头进行熔融挤出,模头挤出温度为285℃,制得膜片;
S2、冷却:将膜片贴附到转动的激冷辊上冷却形成铸片;
S3、双向拉伸:将铸片纵向拉伸,拉伸倍率3.5;再横向拉伸,拉伸倍率3.8,制得BOPET薄膜;
S4、定型收卷:将BOPET薄膜定型,再进行风冷、电晕、测厚、收卷。
对比例1
一种采光瓦用BOPET薄膜,与实施例1相比,区别仅在于:所述功能层由以下重量百分比的原料制成:聚碳酸酯切片3.0%,余量为改性PET聚酯切片。其余均相同。
对比例2
一种采光瓦用BOPET薄膜,与实施例1相比,区别仅在于:所述功能层由以下重量百分比的原料制成:相容剂0.3%、三元乙丙橡胶2.0%,余量为改性PET聚酯切片。其余均相同。
对比例3
一种采光瓦用BOPET薄膜,与实施例1相比,区别仅在于:所述功能层由以下重量百分比的原料制成:改性PET聚酯切片。其余均相同。
将实施例1-3及对比例1-3的性能进行检测,并采用市售普通BOPET热封膜(安徽国风塑业、PET-20μm)作为对比例4进行对比。检测结果如表1所述。
表1实施例1-3和对比例1-4的BOPET薄膜的性能检测数据
根据表1中结果所示,本发明制备的BOPET薄膜在显著提高薄膜与采光瓦粘合性的同时,薄膜具有优异的抗紫外效果。
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 (7)
1.一种采光瓦用BOPET薄膜,其特征在于,包括聚酯芯层、层叠于聚酯芯层上表面的功能层、和层叠于聚酯芯层下表面的抗粘层;
所述功能层由以下重量百分比的原料制成:相容剂0.3~0.4%、聚碳酸酯切片3.0~4.0%,三元乙丙橡胶2.0~3.0%,余量为改性PET聚酯切片;其中,改性PET聚酯切片为对苯二甲酸、乙二醇、邻苯二甲酸及2,3-丁二醇共聚制得,该切片熔点为180℃;
所述聚酯芯层由以下重量百分比的原料制成:紫外线吸收剂0.2~0.3%,余量为PET聚酯切片;
所述抗粘层由以下重量百分比的原料制成:抗粘剂4.0~5.0%,余量为PET聚酯切片。
2.根据权利要求1所述的采光瓦用BOPET薄膜,其特征在于,所述对苯二甲酸与邻苯二甲酸的摩尔比为7:1,乙二醇与2,3-丁二醇的摩尔比为5:1。
3.根据权利要求1所述的采光瓦用BOPET薄膜,其特征在于,所述相容剂是由PE-g-MAH和SEBS-g-MAH组成;优选地,PE-g-MAH和SEBS-g-MAH的重量比为1:1。
4.根据权利要求1所述的采光瓦用BOPET薄膜,其特征在于,所述紫外线吸收剂的有效成分为苯亚甲基丙二酸酯、单苯甲酸间苯二酚酯、邻羟基苯甲酸苯酯中的一种。
5.根据权利要求1所述的采光瓦用BOPET薄膜,其特征在于,所述抗粘剂的有效成分含量为50000~60000ppm,有效成分为球形二氧化硅、粒径为3.0~3.5μm。
6.根据权利要求1-5任一项所述的采光瓦用BOPET薄膜,其特征在于,所述薄膜厚度为15~25μm;优选地,所述功能层的厚度占薄膜厚度的12%~14%,抗粘层的厚度占薄膜总厚度的8~10%。
7.一种如权利要求1-6任一项所述的采光瓦用BOPET薄膜的制备方法,其特征在于,包括以下步骤:
S1、熔融挤出:分别将BOPET薄膜各层材料均匀混合后加入单独的双螺杆挤出机中,经挤出、过滤后,经过三层机构共挤模头进行熔融挤出,模头挤出温度为275~285℃,制得膜片;
S2、冷却:将膜片贴附到转动的激冷辊上冷却形成铸片;
S3、双向拉伸:将铸片纵向拉伸,拉伸倍率3.2~3.5;再横向拉伸,拉伸倍率3.5~3.8,制得BOPET薄膜;
S4、定型收卷:将BOPET薄膜定型,再进行风冷、电晕、测厚、收卷。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110692519.0A CN113415057B (zh) | 2021-06-22 | 2021-06-22 | 一种采光瓦用bopet薄膜及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110692519.0A CN113415057B (zh) | 2021-06-22 | 2021-06-22 | 一种采光瓦用bopet薄膜及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113415057A true CN113415057A (zh) | 2021-09-21 |
CN113415057B CN113415057B (zh) | 2023-12-15 |
Family
ID=77716086
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110692519.0A Active CN113415057B (zh) | 2021-06-22 | 2021-06-22 | 一种采光瓦用bopet薄膜及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113415057B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114179325A (zh) * | 2021-12-04 | 2022-03-15 | 宁波盈瑞聚合科技有限公司 | 一种高性能bopet薄膜的生产方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1051697A (zh) * | 1989-11-15 | 1991-05-29 | 帝国化学工业公司 | 多层复合薄膜 |
US20100291396A1 (en) * | 2009-05-18 | 2010-11-18 | Herbert Peiffer | Polyester film that seals at low temperature for nonpolar substrates |
CN109251485A (zh) * | 2018-07-05 | 2019-01-22 | 安徽国风塑业股份有限公司 | 一种金属复合用bopet薄膜及其制备方法 |
CN110920187A (zh) * | 2019-11-05 | 2020-03-27 | 安徽国风塑业股份有限公司 | 一种低摩擦低温热封bopet薄膜及其制备方法 |
CN111703161A (zh) * | 2020-05-07 | 2020-09-25 | 安徽国风塑业股份有限公司 | 一种高耐磨bopet薄膜及其制备方法 |
-
2021
- 2021-06-22 CN CN202110692519.0A patent/CN113415057B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1051697A (zh) * | 1989-11-15 | 1991-05-29 | 帝国化学工业公司 | 多层复合薄膜 |
US20100291396A1 (en) * | 2009-05-18 | 2010-11-18 | Herbert Peiffer | Polyester film that seals at low temperature for nonpolar substrates |
CN109251485A (zh) * | 2018-07-05 | 2019-01-22 | 安徽国风塑业股份有限公司 | 一种金属复合用bopet薄膜及其制备方法 |
CN110920187A (zh) * | 2019-11-05 | 2020-03-27 | 安徽国风塑业股份有限公司 | 一种低摩擦低温热封bopet薄膜及其制备方法 |
CN111703161A (zh) * | 2020-05-07 | 2020-09-25 | 安徽国风塑业股份有限公司 | 一种高耐磨bopet薄膜及其制备方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114179325A (zh) * | 2021-12-04 | 2022-03-15 | 宁波盈瑞聚合科技有限公司 | 一种高性能bopet薄膜的生产方法 |
CN114179325B (zh) * | 2021-12-04 | 2024-02-02 | 宁波盈瑞聚合科技有限公司 | 一种bopet薄膜的生产方法 |
Also Published As
Publication number | Publication date |
---|---|
CN113415057B (zh) | 2023-12-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2339386C (en) | Thermoplastic interlayer film | |
KR19990063829A (ko) | 열가소성 중간층 필름 | |
JP6496307B2 (ja) | 加水分解安定性および改善された耐層間剥離性を有する共押出多層ポリエステルフィルム | |
CN111703166A (zh) | 一种高阻隔可全生物降解bopla薄膜及其制备方法 | |
CN108276640A (zh) | 一种双向易撕流延pe膜及其制备方法 | |
CN113415057B (zh) | 一种采光瓦用bopet薄膜及其制备方法 | |
JP2023080072A (ja) | 絶縁フィルム | |
CN112409938B (zh) | 光伏背板、制备光伏背板的方法以及光伏组件 | |
CN113059880A (zh) | 一种热封型烟用bopp薄膜及其制备方法 | |
CN110861376A (zh) | 一种透明背板膜用聚烯烃膜及其制备方法 | |
CN110190144B (zh) | 一种高反射率太阳能电池背板膜及其制备方法 | |
CN115674838A (zh) | 一种增挺耐温的聚乙烯薄膜及其制备方法与应用 | |
CN112848580B (zh) | 一种petg/pet共挤自热封多层膜及其制备方法 | |
JPS649943B2 (zh) | ||
JP7259295B2 (ja) | 積層フィルム | |
CN110228260A (zh) | 一种新型高延伸柔性聚酯基膜及其制备方法 | |
KR102620810B1 (ko) | 열접착성이 개선된 이축연신 고밀도 폴리에틸렌 필름 및 이의 제조방법 | |
CN114179479B (zh) | 一种多层共挤双向拉伸阻隔聚乳酸薄膜及其制备方法和应用 | |
CN115489188B (zh) | 一种家居保护用聚酯薄膜及其制备方法 | |
KR100956333B1 (ko) | 유연성이 우수한 폴리에스테르 필름 | |
CN113845679B (zh) | 一种耐低温pa12复合薄膜及其制备方法 | |
CN113232388B (zh) | 复合薄膜及其制备方法和应用 | |
CN113787794A (zh) | 一种光伏背板用pvdf多层共挤膜及其制备方法 | |
CN114122177A (zh) | 一种用于光伏组件的背板膜及其制备方法 | |
CN117841505A (zh) | 一种pet板材膜及其制备工艺 |
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 | ||
CB02 | Change of applicant information |
Address after: 230000 No.1000 Mingchuan Road, hi tech Zone, Hefei City, Anhui Province Applicant after: Anhui Guofeng New Material Co.,Ltd. Address before: 230000 No.1000 Mingchuan Road, hi tech Zone, Hefei City, Anhui Province Applicant before: ANHUI GUOFENG PLASTIC CO.,LTD. |
|
CB02 | Change of applicant information | ||
GR01 | Patent grant | ||
GR01 | Patent grant |