CN106183296B - Manufacturing process for polypropylene protective film - Google Patents

Manufacturing process for polypropylene protective film Download PDF

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Publication number
CN106183296B
CN106183296B CN201610544067.0A CN201610544067A CN106183296B CN 106183296 B CN106183296 B CN 106183296B CN 201610544067 A CN201610544067 A CN 201610544067A CN 106183296 B CN106183296 B CN 106183296B
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parts
modified eva
protective film
pressure
polypropylene
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CN201610544067.0A
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CN106183296A (en
Inventor
金闯
陈静
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Sidike New Materials Jiangsu Co Ltd
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Sidike New Materials Jiangsu Co Ltd
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    • 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
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • 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
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • 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
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • 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
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08—Macromolecular additives
    • 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
    • C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
    • C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B2037/1269—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives multi-component adhesive
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The present invention discloses a kind of manufacturing process for polypropylene protective film, and pressure-sensitive modified EVA adhesive layer is composed of the following components：Modified EVA aqueous solution, Isooctyl acrylate monomer, deionized water, cumyl peroxide, di-2-ethylhexylphosphine oxide phenylenediamine, polymethylphenylsiloxane, 2,5 dimethyl 2,5 2（Tert-butyl hydroperoxide）Hexane, Triallyl isocyanurate, terpenes tree, alkyl phenol polyoxyethylene ether, dimethyl sulfoxide (DMSO), modified EVA aqueous solution are further obtained by following steps：Polyvinyl alcohol, sodium iso-octoate, sulfurous acid sylvite and ferrous sulfate are dissolved in ionized water and form aqueous mixture；It is tert-butyl hydroperoxide, sodium sulfite salt to be implanted sequentially vinylacetate, acrylic acid, cumyl peroxide, oxidant.Environmental protection protective film of the invention realizes EVA adhesive layers has viscosity and pressure-sensitive in room temperature, and pressure-sensitive modified EVA adhesive layer is water-based system environmental protection, is had no irritating odor.

Description

Manufacturing process for polypropylene protective film
Technical field
The present invention relates to a kind of protective films, more particularly to a kind of manufacturing process for polypropylene protective film.
Background technology
During carrying and use, surface is easy by contact dirt the materials such as glass, sheet metal, plastic plate Dye or polishing scratch scratch, so generally use protective film is covered in its surface and is allowed to from damaging and polluting.It is used in the prior art The protective film arrived substantially all be planar protection film, under normal conditions it include substrate layer, breast layer and release layer.The base material Layer is usually that the materials such as makrolon, polyethylene, PET, orientation stretching polypropylene or aromatics poly-vinegar are formed, and substrate layer is to protect The principal structural layer of cuticula；Adhesion layer pastes the side for floating on substrate layer, usually by polymer or propylene containing alkoxy silane Acid polymer etc. is constituted, substrate layer to be posted up to the body surface to be protected；And release layer is for protecting unused shape Protective film under state, when use, which removes release layer, is adhered to body surface.Common planar protection film this in this way by Three layers of composition, cost is relatively high, and the variation of other situations with humidity, temperature and ambient enviroment, and adhesion layer is easy to make moist Or generated the phenomenon that substrate layer falls off by chemical reaction；When needing replacing or handle original protective film, due to Be affixed on affixed object will appear residue glue phenomenon to adhesion layer for a long time, not disposable；And it produces and using during protective film, sticks together The chemical materials and release layer of layer will produce a large amount of pollutions, while the protective film cannot also recycle, and be unfavorable for energy-saving ring It protects.
Invention content
The present invention provides a kind of manufacturing process for polypropylene protective film, this is used for the manufacturing process of polypropylene protective film Realize EVA adhesive layers has viscosity and pressure-sensitive in room temperature, and pressure-sensitive modified EVA adhesive layer is water-based system environmental protection, It has no irritating odor, is also convenient for environmentally friendly protective film recycling and recycling, greatly reduces pollution.
In order to achieve the above objectives, the technical solution adopted by the present invention is：A kind of manufacturing process for polypropylene protective film, The polypropylene protective film includes polypropylene film, pressure-sensitive modified EVA adhesive layer and separated type material layer, the pressure-sensitive modification EVA adhesive layers are between polypropylene film and separated type material layer；
The pressure-sensitive modified EVA adhesive layer is composed of the following components：
100 parts of modified EVA aqueous solution,
10 ~ 20 parts of Isooctyl acrylate monomer,
20 ~ 30 parts of deionized water,
5 ~ 8 parts of cumyl peroxide,
4 ~ 6 parts of di-2-ethylhexylphosphine oxide phenylenediamine,
3 ~ 5 parts of polymethylphenylsiloxane,
2,5- dimethyl -2,5- two（Tert-butyl hydroperoxide）2 ~ 4 parts of hexane,
1 ~ 2 part of Triallyl isocyanurate,
1 ~ 2 part of terpenes tree,
0.5 ~ 2 part of alkyl phenol polyoxyethylene ether；
0.5 ~ 1 part of dimethyl sulfoxide (DMSO),
The modified EVA aqueous solution is further obtained by following steps：
Step 1: by 20 ~ 40 parts of polyvinyl alcohol, 6 ~ 8 parts of sodium iso-octoates, 2 ~ 4 parts of sulfurous acid sylvite and 0.05 ~ 0.1 part of sulphur Sour ferrous iron, which is dissolved in ionized water, forms aqueous mixture；
Step 2: the aqueous mixture of step 1 is put into autoclave, then it is passed through ethylene and displaces sky in autoclave Gas；
Step 3: heating up and stirring reaction kettle material, it is implanted sequentially 100 parts of vinylacetates of monomer, 10 ~ 20 parts of propylene Acid, 0.05 ~ 1 part of cumyl peroxide, 0.25 ~ 0.5 part of tert-butyl hydroperoxide, 0.5 ~ 1 part of sodium sulfite salt；
Step 4: cooling forms the modified EVA aqueous solution.
Further improved technical solution is as follows in above-mentioned technical proposal：
1. in said program, the pressure of the step 2 mesohigh kettle is 5 ~ 10MPa.
2. in said program, the weight ratio of the tert-butyl hydroperoxide and sodium sulfite salt is 1：2.
3. in said program, the reaction temperature of reaction kettle is 80 DEG C in the step 3.
4. in said program, 40 DEG C are cooled in the step 4.
Since above-mentioned technical proposal is used, the present invention has following advantages and effect compared with prior art：
1. the present invention is used for the manufacturing process of polypropylene protective film, uses acrylic acid and combine ferrous sulfate, polyethylene Alcohol has been modified the ethylene-vinyl acetate copolymer formed by ethylene, vinylacetate, cooperation Isooctyl acrylate monomer, di-2-ethylhexylphosphine oxide Phenylenediamine and cumyl peroxide realize EVA adhesive layers has viscosity and pressure-sensitive, and pressure-sensitive modified EVA glue in room temperature Adhensive layer is water-based system environmental protection, is had no irritating odor, and is also convenient for environmentally friendly protective film recycling and recycling, greatly reduces dirt Dye；Secondly, 2,5- dimethyl -2,5- bis- is further added（Tert-butyl hydroperoxide）Hexane, Triallyl isocyanurate are into one Step improves the adhesive force of modified EVA adhesive layer and polypropylene film.
2. the present invention is used for the manufacturing process of polypropylene protective film, alkyl phenol polyoxyethylene ether, diformazan is added in system Base sulfoxide can make the substance that solid material is more easy to be soaked in water.By reducing its surface tension or interfacial tension, allow the water to be unfolded On solid material surface, or its surface is penetrated, and solid material is soaked；Secondly, addition polymethylphenylsiloxane changes The compatibility and surface tension of kind system are conducive to the more preferable low realization masking liquid coating in coating process.
Specific implementation mode
With reference to embodiment, the invention will be further described：
Embodiment 1 ~ 4：A kind of manufacturing process for polypropylene protective film, the polypropylene protective film includes polypropylene Film, pressure-sensitive modified EVA adhesive layer and separated type material layer, the pressure-sensitive modified EVA adhesive layer be located at polypropylene film and Between separated type material layer；
The pressure-sensitive modified EVA adhesive layer is composed of the following components：
Table 1
The modified EVA aqueous solution is further obtained by following steps：
Step 1: by 20 ~ 40 parts of polyvinyl alcohol, 6 ~ 8 parts of sodium iso-octoates, 2 ~ 4 parts of sulfurous acid sylvite and 0.05 ~ 0.1 part of sulphur Sour ferrous iron, which is dissolved in ionized water, forms aqueous mixture；
Step 2: the aqueous mixture of step 1 is put into autoclave, then it is passed through ethylene and displaces sky in autoclave Gas；
Step 3: material is warming up to 80 DEG C of reaction temperature by reacting kettle jacketing water and is stirred, it is implanted sequentially 100 parts of acetic acid Vinyl acetate monomer, 10 ~ 20 parts of acrylic acid, 0.05 ~ 1 part of cumyl peroxide, 0.25 ~ 0.5 part of tert-butyl hydroperoxide, 0.5 ~ 1 part of sodium sulfite salt；
Step 4: being cooled to 40 DEG C of modified EVA aqueous solutions formed below.
Table 2
The pressure of two mesohigh kettle of above-mentioned steps is 8MPa.
Table 3
When using above-mentioned environmentally friendly protective film, uses acrylic acid and combine ferrous sulfate, polyvinyl alcohol, be modified by second The ethylene-vinyl acetate copolymer that alkene, vinylacetate are formed, cooperation Isooctyl acrylate monomer, di-2-ethylhexylphosphine oxide phenylenediamine and peroxide Changing diisopropylbenzene (DIPB) realizes EVA adhesive layers in room temperature with viscosity and pressure-sensitive, and pressure-sensitive modified EVA adhesive layer is aqueous System environmental protection, has no irritating odor, and is also convenient for environmentally friendly protective film recycling and recycling, greatly reduces pollution；Secondly, into one 2,5- dimethyl -2,5- two is added in step（Tert-butyl hydroperoxide）Hexane, Triallyl isocyanurate further improve modification The adhesive force of EVA adhesive layers and polypropylene film；Again, alkyl phenol polyoxyethylene ether, dimethyl sulfoxide (DMSO) are added in system The substance that solid material can be made to be more easy to be soaked in water.By reducing its surface tension or interfacial tension, allow the water to be deployed in solid In surface of material, or its surface is penetrated, and solid material is soaked；Secondly, addition polymethylphenylsiloxane improves system Compatibility and surface tension, be conducive to more preferable low realize masking liquid coating in coating process.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.

Claims (2)

1. a kind of manufacturing process for polypropylene protective film, it is characterised in that：The polypropylene protective film includes that polypropylene is thin Film, pressure-sensitive modified EVA adhesive layer and separated type material layer, the pressure-sensitive modified EVA adhesive layer be located at polypropylene film and from Between the proximate matter bed of material；
The pressure-sensitive modified EVA adhesive layer is composed of the following components：
100 parts of modified EVA aqueous solution,
10 ~ 20 parts of Isooctyl acrylate monomer,
20 ~ 30 parts of deionized water,
5 ~ 8 parts of cumyl peroxide,
4 ~ 6 parts of di-2-ethylhexylphosphine oxide phenylenediamine,
3 ~ 5 parts of polymethylphenylsiloxane,
2,5- dimethyl -2,5- two（Tert-butyl hydroperoxide）2 ~ 4 parts of hexane,
1 ~ 2 part of Triallyl isocyanurate,
1 ~ 2 part of terpene resin,
0.5 ~ 2 part of alkyl phenol polyoxyethylene ether；
0.5 ~ 1 part of dimethyl sulfoxide (DMSO),
The modified EVA aqueous solution is further obtained by following steps：
Step 1: by 20 ~ 40 parts of polyvinyl alcohol, 6 ~ 8 parts of sodium iso-octoates, 2 ~ 4 parts of sulfurous acid sylvite and 0.05 ~ 0.1 part of sulfuric acid Asia Dissolved ferric iron forms aqueous mixture in ionized water；
Step 2: the aqueous mixture of step 1 is put into autoclave, then it is passed through ethylene and displaces air in autoclave；
Step 3: heat up and stir autoclave material, be implanted sequentially 100 parts of monomer vinylacetates, 10 ~ 20 parts of acrylic acid, 0.05 ~ 1 part of cumyl peroxide, 0.25 ~ 0.5 part of tert-butyl hydroperoxide, 0.5 ~ 1 part of sodium sulfite salt；
Step 4: cooling forms the modified EVA aqueous solution.
2. the manufacturing process according to claim 1 for polypropylene protective film, it is characterised in that：It is high in the step 3 It is 80 DEG C to press the reaction temperature of kettle.
CN201610544067.0A 2016-07-12 2016-07-12 Manufacturing process for polypropylene protective film Active CN106183296B (en)

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CN106183296B true CN106183296B (en) 2018-09-18

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Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6794443B2 (en) * 2003-02-14 2004-09-21 National Starch And Chemical Investment Holding Corporation Hot melt adhesive composition
CN104479577B (en) * 2014-11-24 2016-07-06 苏州斯迪克新材料科技股份有限公司 Water proofing property acrylic adhesive tape and manufacturing process thereof

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