CN108659726A - A kind of height for CNC cuttings glues PE protective films and preparation method thereof - Google Patents

A kind of height for CNC cuttings glues PE protective films and preparation method thereof Download PDF

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Publication number
CN108659726A
CN108659726A CN201810358681.7A CN201810358681A CN108659726A CN 108659726 A CN108659726 A CN 108659726A CN 201810358681 A CN201810358681 A CN 201810358681A CN 108659726 A CN108659726 A CN 108659726A
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Prior art keywords
height
protective films
glues
material layer
base material
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卢亭
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Guangdong Dongli New Materials Polytron Technologies Inc
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Guangdong Dongli New Materials Polytron Technologies Inc
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Priority to CN201810358681.7A priority Critical patent/CN108659726A/en
Publication of CN108659726A publication Critical patent/CN108659726A/en
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/29—Laminated material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
    • B05D7/04—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber to surfaces of films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
    • 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
    • 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
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/38—Pressure-sensitive adhesives [PSA]
    • C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C09J7/385—Acrylic polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2201/00—Polymeric substrate or laminate
    • B05D2201/02—Polymeric substrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2502/00—Acrylic polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2602/00—Organic fillers
    • 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
    • C08J2323/06—Polyethene
    • 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
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/06—Polyethene
    • 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
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/08—Copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
    • C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
    • C09J2301/162—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer the carrier being a laminate constituted by plastic layers only
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
    • C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2423/00—Presence of polyolefin
    • C09J2423/04—Presence of homo or copolymers of ethene
    • C09J2423/046—Presence of homo or copolymers of ethene in the substrate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2433/00—Presence of (meth)acrylic polymer

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Adhesive Tapes (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses a kind of height for CNC cuttings to glue PE protective films; it is made of composite base material layer and acrylic pressure sensitive glue-line; the composite base material layer melts co-extrusions by three layers of PE base materials and blows, the PE base materials include according to the weight percentage of raw materials 35~70% low density polyethylene (LDPE), 20~40% high density polyethylene (HDPE) and 5~10% metallocene linear-low density polyethylene.The present invention is used as composite base material layer by the way that three layers of PE base materials are compound; effectively increase brittleness and deflection that the height glues PE protective film entirety; the processing performances such as excellent cutting, punching are made it have, common protective film is solved and is easy to warp in CNC cutting process, bursts and scrap and other issues.The invention also discloses the preparation methods that the height glues PE protective films; it prepares composite base material layer by the way of melting coextrusion film blowing using three layers; acrylate pressure-sensitive adhesive is coated with by the recessed coating methods of V simultaneously so that the finished product being prepared into has both excellent flatness and winding performance.

Description

A kind of height for CNC cuttings glues PE protective films and preparation method thereof
Technical field
The present invention relates to protective film field, more particularly to a kind of high viscous PE protective films.
Background technology
Protective film is a kind of to film material of the other materials with defencive function and a kind of pressure sensitive adhesive product.PE is protected Cuticula biggest advantage is that protected product is made to produce and process, transport, not contaminated during storage and use, corrosion, It scratches, original bright and clean glossy surface is protected, to improve the quality and the market competitiveness of product.
In the protective film cut for CNC, PE protective films are most widely used at present.It was used in CNC cutting processings Cheng Zhongxu passes through the process such as various cutting fluids are rinsed, pickle impregnates, therefore film is not only claimed with centainly crisp Degree and deflection are easy to cut punching, and require it with excellent anti-permeability to prevent from cutting during CNC cutting processings It cuts liquid or cleaning solution osmotic protection film destroys affixed object, while also requiring it with suitable initial bonding strength and holding power to meet Requirement during CNC cutting processings, after avoiding it from causing in process because viscous force deficiency causes to warp or viscosity is excessive The problem of continuous hardly possible dyestripping.And the PE protective films for being used for CNC cuttings in the prior art are difficult to have both above-mentioned a variety of excellent performances, quilt The yields of patch object still needs to be further increased.
Invention content
It is an object of the invention in view of the above shortcomings of the prior art, provide a kind of viscous PE guarantors of the height for CNC cuttings Cuticula, while the preparation method that the height glues PE protective films being provided.
The technical solution used in the present invention is：A kind of height for CNC cuttings glues PE protective films, by composite base material layer It is formed with acrylic pressure sensitive glue-line, the composite base material layer melts co-extrusion by three layers of PE base materials and blows, and the PE base materials are pressed Raw material weight percentages include 35~70% low density polyethylene (LDPE), 20~40% high density polyethylene (HDPE) and 5~10% Metallocene linear-low density polyethylene.
As being further improved for said program, the acrylic pressure sensitive glue-line includes by parts by weight of raw materials：Oiliness poly- third 100 parts of olefin(e) acid resin, 200~230 parts of ethyl acetate, 20~30 parts of organic solvent, 4~6 parts of composite curing agent.Specifically, originally The acrylate pressure sensitive adhesive of invention has excellent flow leveling, it is ensured that and planarization is good after follow-up drying winding, while its formation Glue-line does not reduce the brittleness of composite base material layer, and has excellent adhesive force with composite base material layer.The acrylic pressure sensitive of the present invention Glue-line and affixed object viscous force are moderate, remove without residue glue.
As being further improved for said program, the composite curing agent is by 3~4 parts of Isocyanates curing agent and 1 ~2 parts of epoxy curing agent is combined.Specifically, which can further improve the viscous PE protective films of the height Anti-permeability and resistance to acid and alkali.
As being further improved for said program, the organic solvent is toluene.
As being further improved for said program, the thickness which glues PE protective films is 50~100 μm.
A kind of height as described above for CNC cuttings glues the preparation method of PE protective films comprising following processing step：
1) it puts into and is come in the three-layer co-extruded inflation film manufacturing machine of dust pelletizing system after mixing each raw material component in PE base materials, passed through The composite base material layer that three layers of melting co-extrusion, stainless steel filtering net group filter, blow to be combined by three layers of PE base materials；
2) based on parts by weight of raw materials by each component mixing preparation of acrylic pressure sensitive glue-line at after acrylate pressure sensitive adhesive use V Recessed coating method is coated on composite base material layer upper surface obtained by step 1), through levelling, curing oven, obtain high viscous PE protective films at Product.
As being further improved for said program, during step 1) three layers of melting co-extrusion controlled at 165~ 185℃。
As being further improved for said program, step 1) the stainless steel filtering net group combined by five layer of 300 mesh filter screen and At.
As being further improved for said program, the solidification temperature of the step 2) curing oven is 75~95 DEG C.
The beneficial effects of the invention are as follows：
The present invention is used as composite base material layer by the way that three layers of PE base materials are compound, effectively increases the height and glues PE protective film entirety Brittleness and deflection make it have the processing performances such as excellent cutting, punching, solve common protective film in CNC cutting process It is easy to warp, bursts and scrap and other issues.
The present invention prepares composite base material layer, simultaneously by improving preparation process by the way of melting coextrusion film blowing using three layers It is coated with acrylate pressure-sensitive adhesive by the recessed coating methods of V so that the finished product being prepared into has both excellent flatness and winding performance.
Specific implementation mode
The present invention is specifically described with reference to embodiment, in order to technical field personnel to the present invention Understand.It is necessary to it is emphasized that embodiment is only intended to, the present invention will be further described herein, should not be understood as to this The limitation of invention protection domain, fields person skilled in the art, the non-intrinsically safe that the present invention is made according to foregoing invention content The modifications and adaptations of property, should still fall within protection scope of the present invention.Mentioned raw materials following simultaneously are unspecified, are Commercial product；The processing step or preparation method not referred in detail be processing step known to a person skilled in the art or Preparation method.
Embodiment 1
A kind of height for CNC cuttings glues PE protective films, and the thickness which glues PE protective films is 50 μm, by composite base material Layer and acrylic pressure sensitive glue-line composition, the composite base material layer melt co-extrusion by three layers of PE base materials and blow.
Wherein, the PE base materials include 35% low density polyethylene (LDPE), 40% high density according to the weight percentage of raw materials Polyethylene, 5% metallocene linear-low density polyethylene and 20% PE；The acrylic pressure sensitive glue-line presses parts by weight of raw materials packet It includes：100 parts of oiliness polyacrylic resin, 200 parts of ethyl acetate, 30 parts of toluene, 3 parts of Isocyanates curing agent and epoxy resin 2 parts of curing agent.
Preparation method：
1) it puts into and is come in the three-layer co-extruded inflation film manufacturing machine of dust pelletizing system after mixing each raw material component in PE base materials, passed through The composite base material layer that three layers of melting co-extrusion, stainless steel filtering net group filter, blow to be combined by three layers of PE base materials, wherein described Controlled at 165 DEG C during three layers of melting co-extrusion, the stainless steel filtering net group is composed of five layer of 300 mesh filter screen；
2) based on parts by weight of raw materials by each component mixing preparation of acrylic pressure sensitive glue-line at after acrylate pressure sensitive adhesive use V Recessed coating method is coated on composite base material layer upper surface obtained by step 1), and through levelling, curing oven, solidification temperature is 75 DEG C, is obtained 1 finished product of embodiment.
Embodiment 2
A kind of height for CNC cuttings glues PE protective films, and the thickness which glues PE protective films is 100 μm, by composite base Material layer and acrylic pressure sensitive glue-line composition, the composite base material layer melt co-extrusion by three layers of PE base materials and blow.
Wherein, the PE base materials include 70% low density polyethylene (LDPE), 20% high density according to the weight percentage of raw materials Polyethylene and 10% metallocene linear-low density polyethylene；The acrylic pressure sensitive glue-line includes by parts by weight of raw materials：Oiliness 100 parts of polyacrylic resin, 230 parts of ethyl acetate, 20 parts of toluene, 4 parts of Isocyanates curing agent and epoxy curing agent 1 Part.
Preparation method：
1) it puts into and is come in the three-layer co-extruded inflation film manufacturing machine of dust pelletizing system after mixing each raw material component in PE base materials, passed through The composite base material layer that three layers of melting co-extrusion, stainless steel filtering net group filter, blow to be combined by three layers of PE base materials, wherein described Controlled at 185 DEG C during three layers of melting co-extrusion, the stainless steel filtering net group is composed of five layer of 300 mesh filter screen；
2) based on parts by weight of raw materials by each component mixing preparation of acrylic pressure sensitive glue-line at after acrylate pressure sensitive adhesive use V Recessed coating method is coated on composite base material layer upper surface obtained by step 1), and through levelling, curing oven, solidification temperature is 95 DEG C, is obtained 2 finished product of embodiment.
Embodiment 3
A kind of height for CNC cuttings glues PE protective films, and the thickness which glues PE protective films is 70 μm, by composite base material Layer and acrylic pressure sensitive glue-line composition, the composite base material layer melt co-extrusion by three layers of PE base materials and blow.
Wherein, the PE base materials include 50% low density polyethylene (LDPE), 30% high density according to the weight percentage of raw materials Polyethylene, 8% metallocene linear-low density polyethylene and 12% PE；The acrylic pressure sensitive glue-line presses parts by weight of raw materials packet It includes：100 parts of oiliness polyacrylic resin, 210 parts of ethyl acetate, 25 parts of toluene, 3 parts of Isocyanates curing agent and epoxy resin 1 part of curing agent.
Preparation method：
1) it puts into and is come in the three-layer co-extruded inflation film manufacturing machine of dust pelletizing system after mixing each raw material component in PE base materials, passed through The composite base material layer that three layers of melting co-extrusion, stainless steel filtering net group filter, blow to be combined by three layers of PE base materials, wherein described Controlled at 175 DEG C during three layers of melting co-extrusion, the stainless steel filtering net group is composed of five layer of 300 mesh filter screen；
2) based on parts by weight of raw materials by each component mixing preparation of acrylic pressure sensitive glue-line at after acrylate pressure sensitive adhesive use V Recessed coating method is coated on composite base material layer upper surface obtained by step 1), and through levelling, curing oven, solidification temperature is 85 DEG C, is obtained 3 finished product of embodiment.
Embodiment 4
1~3 gained finished product of above-described embodiment is subjected to correlated performance test respectively, test result is as follows shown in table 1：
1 Examples 1 to 3 of table forms a film and correlated performance test result
Above-described embodiment is the preferred embodiment of the present invention, it is all with similar technique of the invention and made by equivalence changes, The protection category of the present invention should all be belonged to.

Claims (9)

1. a kind of height for CNC cuttings glues PE protective films, it is characterised in that：By composite base material layer and acrylic pressure sensitive glue-line group At the composite base material layer melts co-extrusion by three layers of PE base materials and blows, and the PE base materials wrap according to the weight percentage of raw materials Include 35~70% low density polyethylene (LDPE), 20~40% high density polyethylene (HDPE) and 5~10% metallocene linear low density it is poly- Ethylene.
2. a kind of height for CNC cuttings according to claim 1 glues PE protective films, it is characterised in that：The acrylic acid Pressure-sensitive adhesive layer includes by parts by weight of raw materials：100 parts of oiliness polyacrylic resin, 200~230 parts of ethyl acetate, organic solvent 20 ~30 parts, 4~6 parts of composite curing agent.
3. a kind of height for CNC cuttings according to claim 2 glues PE protective films, it is characterised in that：The composite solid Agent is combined by 3~4 parts of Isocyanates curing agent and 1~2 part of epoxy curing agent.
4. a kind of height for CNC cuttings according to claim 2 glues PE protective films, it is characterised in that：It is described organic molten Agent is toluene.
5. a kind of height for CNC cuttings according to claim 1 glues PE protective films, it is characterised in that：The height, which glues PE, to be protected The thickness of cuticula is 50~100 μm.
6. a kind of preparation method for gluing PE protective films for the height of CNC cuttings such as Claims 1 to 5 any one of them, special Sign is to comprise the technical steps that：
1) it puts into and is come in the three-layer co-extruded inflation film manufacturing machine of dust pelletizing system after mixing each raw material component in PE base materials, through three layers The composite base material layer that melting co-extrusion, stainless steel filtering net group filter, blow to be combined by three layers of PE base materials；
2) based on parts by weight of raw materials by each component mixing preparation of acrylic pressure sensitive glue-line at after acrylate pressure sensitive adhesive use the recessed paintings of V Cloth method is coated on composite base material layer upper surface obtained by step 1) and obtains high viscous PE protective films finished product through levelling, curing oven.
7. a kind of height for CNC cuttings according to claim 6 glues the preparation method of PE protective films, it is characterised in that： Controlled at 165~185 DEG C during step 1) three layers of melting co-extrusion.
8. a kind of height for CNC cuttings according to claim 6 glues the preparation method of PE protective films, it is characterised in that： Step 1) the stainless steel filtering net group is composed of five layer of 300 mesh filter screen.
9. a kind of height for CNC cuttings according to claim 6 glues the preparation method of PE protective films, it is characterised in that： The solidification temperature of the step 2) curing oven is 75~95 DEG C.
CN201810358681.7A 2018-04-19 2018-04-19 A kind of height for CNC cuttings glues PE protective films and preparation method thereof Pending CN108659726A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109651970A (en) * 2018-12-19 2019-04-19 苏州新中德新型材料有限公司 High-intensitive puncture resistant protective film
CN110028914A (en) * 2019-05-10 2019-07-19 江阴市江泰高分子新材料有限公司 A kind of high adhesion strength PE protective film and preparation method thereof
CN114730109A (en) * 2019-12-17 2022-07-08 浙江精一新材料科技有限公司 Suspended particle light valve with protective layer
CN115353821A (en) * 2021-10-28 2022-11-18 广东东立新材料科技股份有限公司 High-temperature-resistant PE protective film easy to cut and preparation method thereof
CN116814177A (en) * 2023-08-29 2023-09-29 潍坊长青塑胶有限公司 PE protection film with high adhesive force

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Publication number Priority date Publication date Assignee Title
CN109651970A (en) * 2018-12-19 2019-04-19 苏州新中德新型材料有限公司 High-intensitive puncture resistant protective film
CN110028914A (en) * 2019-05-10 2019-07-19 江阴市江泰高分子新材料有限公司 A kind of high adhesion strength PE protective film and preparation method thereof
CN110028914B (en) * 2019-05-10 2021-06-15 江阴市江泰高分子新材料有限公司 High-adhesion PE protective film and preparation method thereof
CN114730109A (en) * 2019-12-17 2022-07-08 浙江精一新材料科技有限公司 Suspended particle light valve with protective layer
CN115353821A (en) * 2021-10-28 2022-11-18 广东东立新材料科技股份有限公司 High-temperature-resistant PE protective film easy to cut and preparation method thereof
CN116814177A (en) * 2023-08-29 2023-09-29 潍坊长青塑胶有限公司 PE protection film with high adhesive force
CN116814177B (en) * 2023-08-29 2023-10-27 潍坊长青塑胶有限公司 PE protection film with high adhesive force

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Application publication date: 20181016