WO2016173287A1 - Procédé de fabrication de film de substrat gaufré pour film antiadhésif - Google Patents

Procédé de fabrication de film de substrat gaufré pour film antiadhésif Download PDF

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Publication number
WO2016173287A1
WO2016173287A1 PCT/CN2015/099355 CN2015099355W WO2016173287A1 WO 2016173287 A1 WO2016173287 A1 WO 2016173287A1 CN 2015099355 W CN2015099355 W CN 2015099355W WO 2016173287 A1 WO2016173287 A1 WO 2016173287A1
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WO
WIPO (PCT)
Prior art keywords
embossed
parts
styrene
mixture
polyester film
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PCT/CN2015/099355
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English (en)
Chinese (zh)
Inventor
金闯
周满意
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苏州斯迪克新材料科技股份有限公司
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Publication of WO2016173287A1 publication Critical patent/WO2016173287A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/05—Alcohols; Metal alcoholates
    • C08K5/053—Polyhydroxylic alcohols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/066—LDPE (radical process)
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • C08L91/06—Waxes

Definitions

  • the invention relates to a manufacturing process of an embossed base film for a release film, and belongs to the technical field of release materials.
  • the release film refers to the surface of the polyester film coated with silicone oil to prevent sticking; the surface of the release film can have a smooth surface and a matte surface, but the pressure-sensitive adhesive tape made of the conventional release film and When the label tape is used, the cosmetic surface beautification effect is not satisfactory, and when the ordinary release film is bonded to the pressure-sensitive adhesive tape, bubbles are easily generated between the two.
  • embossed release paper although it can achieve the effect of bubble discharge, but because the release paper is easy to absorb water, tear strength is not high, it is difficult to observe the rubber surface, after die cutting, the edge has paper scraps and other shortcomings, can not be high-end The product is used.
  • the object of the present invention is to provide a manufacturing process for an embossed base film for a release film, which is obtained by obtaining a clear, shallow and uniform embossing pattern of the embossed base film for the release film, and the distribution line is uniform, and the pressure is formed.
  • the film release film is bonded to the pressure sensitive adhesive, no bubbles are generated between the two, so that the use effect is not affected.
  • the technical solution adopted by the present invention is: a manufacturing process of an embossed base film for a release film, comprising the following steps:
  • Step 1 The preparation process of the coating layer is as follows:
  • Step 1 100 parts of high-density polyethylene, 120-180 parts of low-density polyethylene, 10 parts to 30 parts of styrene-isoprene-styrene block copolymer, block copolymerization of styrene and butadiene 5 to 15 parts, 0.5 to 1.5 parts of paraffin, 0.1 to 0.5 parts of glycerin, 5 to 10 parts of POE polyolefin elastomer, and 0.3 to 0.8 parts of coupling agent are placed in a stirrer and stirred for 20 to 30 minutes to form a mixture;
  • Step 2 the mixture obtained in the first step is heated and bridged through the twin screw of the feeding port of the laminating machine to obtain a molten mixture, and the temperature of the heating bridge is 150 to 200 ° C;
  • Step 3 The melted mixture obtained in the second step is again melted and mixed at the feed screw. Further heating to 220 ⁇ 250 ° C, thereby obtaining a fluid mixture, while pressing to 5 ⁇ 15Mpa;
  • Step 4 the third step is to obtain a fluid mixture at the screw outlet to be heated again to 260 ⁇ 280 ° C to heat and become cloth-like extrusion;
  • Step 2 The polyester film layer is attached to the unwinding reel of the laminating machine, and the polyester film layer is introduced through the guiding roller. During the introduction process, the laminating machine performs corona polishing on the surface of the polyester film layer. When the polyester film layer enters the embossed composite wheel on the laminating machine, the extruded coating layer is coated onto the surface of the polyester film layer by a composite wheel, and is added by an embossed composite wheel.
  • the embossed surface of the composite embossing and embossing wheel is in contact with the coating layer, and after cooling, it is cooled to 30 to 40 ° C, and then cooled through a low temperature cooling wheel to 10 to 15 ° C, thereby coating the coating layer with The opposite surface of the polyester film layer forms an embossed pattern area, and then the paper is slit.
  • the POE polyolefin elastomer is a high polymer of ethylene and octene.
  • the ratio of the styrene-isoprene-styrene block copolymer to the block copolymer of styrene and butadiene is 2:0.9 to 1.
  • the coupling agent is a silane coupling agent.
  • the temperature of the heating zone of the twin-screw extruder is 150 ° C, 180 ° C, 190 ° C, 220 ° C, 230 ° C, 250 ° C, 250 ° C, 260 ° C and 280 ° C, respectively.
  • the degree is 0.05 to 0.07.
  • the present invention has the following advantages and effects compared with the prior art:
  • the manufacturing process of the embossed base film for the release film of the invention has the advantages that the embossed embossing pattern is clear, the depth is uniform, the distribution line is uniform, and the formed embossed release film is bonded to the pressure sensitive adhesive. No bubbles will be generated between the two, so as not to affect the use effect; secondly, it is added to the styrene-isoprene-styrene block copolymer 10 parts to 30 parts, block copolymerization of styrene and butadiene 5 to 15 parts and 5 to 10 parts of POE polyolefin elastomer, and 0.3 to 0.8 parts of coupling agent, so that the adhesion between the release agent layer and the polyester film layer is more tight, and the residual adhesion rate is greatly improved.
  • the release layer is not easy to fall off, and the antistatic property of the film is also improved.
  • FIG. 1 is a schematic view showing the structure of an embossed base film for a release film of the present invention.
  • polyester film layer 1, coating layer; 3, embossed pattern area.
  • Embodiments 1 to 5 A manufacturing process of an embossed base film for a release film, comprising the following steps:
  • Step 1 The preparation process of the coating layer is as follows:
  • Step 1 100 parts of high-density polyethylene, 120-180 parts of low-density polyethylene, 10 parts to 30 parts of styrene-isoprene-styrene block copolymer, block copolymerization of styrene and butadiene 5 to 15 parts, 0.5 to 1.5 parts of paraffin, 0.1 to 0.5 parts of glycerin, 5 to 10 parts of POE polyolefin elastomer, 0.3 to 0.8 parts of coupling agent, and placed in a stirrer for mixing for 20 to 30 minutes to form a mixture. ;
  • Step 2 the mixture obtained in the first step is heated and bridged through the twin screw of the feeding port of the laminating machine to obtain a molten mixture, and the temperature of the heating bridge is 150 to 200 ° C;
  • Step 3 the molten mixture obtained in the second step is further heated to 220-250 ° C at the feed screw to obtain a fluid mixture, while pressing to 5 ⁇ 15Mpa;
  • Step 4 the third step is to obtain a fluid mixture at the screw outlet to be heated again to 260 ⁇ 280 ° C to heat and become cloth-like extrusion;
  • Step 2 The polyester film layer 1 is attached to the unwinding reel of the laminating machine, and the polyester film layer is introduced through the guiding roller. During the introduction process, the laminating machine performs corona polishing on the surface of the polyester film layer.
  • the extruded coating layer is coated onto the surface of the polyester film layer by a composite wheel, and is subjected to an embossed composite wheel.
  • the embossed surface of the pressure composite embossing and embossing wheel is in contact with the coating layer, and after cooling, it is cooled to 30 to 40 ° C, and then cooled by a low temperature cooling wheel to 10 to 15 ° C, thereby coating the coating layer.
  • An embossed pattern area 3 is formed on the surface opposite to the polyester film layer 1, and then the paper is slit.
  • the temperature of the heating zone of the above-mentioned twin-screw extruder is 150 ° C, 180 ° C, 190 ° C, 220 ° C, 230 ° C, 250 ° C, 250 ° C, 260 ° C and 280 ° C, and the degree of vacuum is 0.05 to 0.07.
  • Example 1 is a high polymer of ethylene and octene
  • Example 2 is a high polymer of ethylene and octene
  • Example 2 is a high polymer of ethylene and butene
  • Example 2 is a polymer of ethylene and butene
  • Example 2 is a high polymer of ethylene and octene.
  • the ratio of the above styrene-isoprene-styrene block copolymer to block copolymer of styrene and butadiene is: 2:1 in Example 1, 2:1.05 in Example 2, and Example 3 2:0.9, Example 4 is 2:1, and Example 4 is 2:0.95.
  • Comparative Example 1 A manufacturing process of an embossed base film for a release film, comprising the following steps:
  • Step 1 forming an embossed pattern area 3 on the surface of the coating layer 2 opposite to the polyester film layer 1, and then cutting the paper;
  • Step 2 applying a silicone release agent layer 4 on the surface of the coating layer 2 having the embossed pattern region 3 to prepare the embossed coating release film, wherein the coating layer is composed of the following The composition of parts by weight, 100 parts of high-density polyethylene and 125 parts of low-density polyethylene.
  • Comparative Example 2 A method for making an embossed release film comprising the following steps:
  • Step 1 forming an embossed pattern area 3 on the surface of the coating layer 2 opposite to the polyester film layer 1, and then cutting the paper;
  • Step 2 applying a silicone release agent layer 4 on the surface of the coating layer 2 having the embossed pattern region 3 to prepare the embossed coating release film, wherein the coating layer is composed of the following The composition of parts by weight, 100 parts of high-density polyethylene and 150 parts of low-density polyethylene.
  • the embossed base film for the release film obtained by the above-mentioned manufacturing process has a clear texture, a uniform depth and a uniform distribution line, and the formed embossed release film is bonded to the pressure sensitive adhesive. No bubbles will be generated between the two, so that the effect will not be affected.
  • it is added with 10 to 30 parts of styrene-isoprene-styrene block copolymer, and blocks of styrene and butadiene.
  • the copolymer has 5 to 15 parts and 5 to 10 parts of the POE polyolefin elastomer, and the coupling agent is 0.3 to 0.8 parts, so that the adhesion between the release agent layer and the polyester film layer is more tight, and the residue is greatly improved.
  • the rate of the release layer is not easy to fall off, and the antistatic property of the film is also improved.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)

Abstract

La présente invention concerne un procédé de fabrication d'un film de substrat gaufré pour un film antiadhésif. Le procédé comprend les étapes suivantes : ajouter du polyéthylène à haute densité, du polyéthylène à faible densité, un copolymère séquencé styrène-isoprène-styrène, un copolymère séquencé styrène et butadiène, de la paraffine, du glycérol, un élastomère de polyoléfine POE et un agent de couplage dans un agitateur pour agitation ; chauffer et former des ponts dans le mélange par des doubles vis au niveau de l'entrée d'alimentation d'une machine de stratification afin d'obtenir un mélange fondu ; chauffer encore le mélange fondu au niveau des vis d'alimentation de nouveau, de manière à obtenir un mélange de type fluide ; chauffer le mélange de type fluide entre 260 et 280 °C au niveau de la sortie de vis de nouveau, puis extruder le mélange en une forme de type tissu, installer une couche de film de polyester sur l'arbre de déroulage de la machine de stratification et former une région de motif gaufré sur la surface de la couche de revêtement de stratification à l'opposé de la couche de film de polyester. Les lignes de treillis du film de substrat gaufré obtenues par la présente invention ont un gaufrage clair, une profondeur uniforme et des lignes de distribution uniformes ; des bulles ne sont pas créées entre le papier de protection stratifié gaufré formé et l'adhésif sensible à la pression lorsque le papier antiadhésif stratifié gaufré et l'adhésif sensible à la pression sont fixés ; et, ainsi, l'effet d'utilisation n'est pas affecté.
PCT/CN2015/099355 2015-04-27 2015-12-29 Procédé de fabrication de film de substrat gaufré pour film antiadhésif WO2016173287A1 (fr)

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CN201510205741.8A CN104924638A (zh) 2015-04-27 2015-04-27 离型膜用压纹基材膜的制造工艺
CN201510205741.8 2015-04-27

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Cited By (7)

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Publication number Priority date Publication date Assignee Title
CN108790305A (zh) * 2017-05-05 2018-11-13 松本涂层科技（昆山）有限公司 一种网格纸及其制造工艺
CN112194839A (zh) * 2020-09-18 2021-01-08 中天（中国）工业有限公司 一种高强度pe流延膜及其制备方法
CN112726285A (zh) * 2021-01-20 2021-04-30 宝燕工业科技(南通)有限公司 一种用于紧密贴合型胶带生产的离型纸
CN112778631A (zh) * 2020-12-25 2021-05-11 金发科技股份有限公司 一种低噪音胶带上表层离型材料及其制备方法和应用
CN113308006A (zh) * 2020-02-07 2021-08-27 南亚塑胶工业股份有限公司 离型底纸及其制造方法
CN114214872A (zh) * 2021-12-03 2022-03-22 南通亿川复合材料科技有限公司 一种防水性能好的硅纸的生产工艺
CN114855507A (zh) * 2022-05-05 2022-08-05 佛山市九利科技有限公司 一种户外垫及其制备工艺

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CN104924638A (zh) * 2015-04-27 2015-09-23 苏州斯迪克新材料科技股份有限公司 离型膜用压纹基材膜的制造工艺
CN105936169A (zh) * 2016-06-07 2016-09-14 无锡市新久科技有限公司 橡胶隔离用pet压花离型膜
CN106273956A (zh) * 2016-07-29 2017-01-04 佛山市南海区新永泰胶粘制品有限公司 一种压纹离型膜及其制作工艺
CN107116741A (zh) * 2017-04-21 2017-09-01 台博胶粘材料（东台）有限公司 压纹非硅离型材料的制备方法
CN108532368A (zh) * 2018-04-11 2018-09-14 浙江池河科技有限公司 一种原纸在线淋膜压纹装置及其使用方法

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108790305A (zh) * 2017-05-05 2018-11-13 松本涂层科技（昆山）有限公司 一种网格纸及其制造工艺
CN113308006A (zh) * 2020-02-07 2021-08-27 南亚塑胶工业股份有限公司 离型底纸及其制造方法
CN113308006B (zh) * 2020-02-07 2023-03-24 南亚塑胶工业股份有限公司 离型底纸及其制造方法
CN112194839A (zh) * 2020-09-18 2021-01-08 中天（中国）工业有限公司 一种高强度pe流延膜及其制备方法
CN112778631A (zh) * 2020-12-25 2021-05-11 金发科技股份有限公司 一种低噪音胶带上表层离型材料及其制备方法和应用
CN112726285A (zh) * 2021-01-20 2021-04-30 宝燕工业科技(南通)有限公司 一种用于紧密贴合型胶带生产的离型纸
CN114214872A (zh) * 2021-12-03 2022-03-22 南通亿川复合材料科技有限公司 一种防水性能好的硅纸的生产工艺
CN114855507A (zh) * 2022-05-05 2022-08-05 佛山市九利科技有限公司 一种户外垫及其制备工艺

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