CN109318556A - A kind of electronic protective film and preparation method thereof - Google Patents

A kind of electronic protective film and preparation method thereof Download PDF

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Publication number
CN109318556A
CN109318556A CN201811069475.0A CN201811069475A CN109318556A CN 109318556 A CN109318556 A CN 109318556A CN 201811069475 A CN201811069475 A CN 201811069475A CN 109318556 A CN109318556 A CN 109318556A
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CN
China
Prior art keywords
parts
surface layer
raw material
weight
layer
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Pending
Application number
CN201811069475.0A
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Chinese (zh)
Inventor
汪金保
褚峰林
刘枝
齐先锋
方保国
张国宗
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Anhui Jintian High Tech Ltd By Share Ltd
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Anhui Jintian High Tech Ltd By Share Ltd
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Priority to CN201811069475.0A priority Critical patent/CN109318556A/en
Publication of CN109318556A publication Critical patent/CN109318556A/en
Pending legal-status Critical Current

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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
    • B32B27/06—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
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • 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
    • B32B27/22—Layered products comprising a layer of synthetic resin characterised by the use of special additives using plasticisers
    • 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
    • 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
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B32B2250/242—All polymers belonging to those covered by group B32B27/32
    • 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
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/21—Anti-static
    • 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
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/408—Matt, dull surface
    • 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
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/41—Opaque
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/584—Scratch resistance
    • 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
    • B32B2553/00—Packaging equipment or accessories not otherwise provided for

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  • Laminated Bodies (AREA)

Abstract

The present invention relates to a kind of electronic protective films, including surface layer I, sandwich layer, tri- layers of surface layer II, the surface layer I include the raw material of following parts by weight: 95-105 parts of delustring material；The sandwich layer includes the raw material of following parts by weight: 99.3-99.5 parts of polypropylene, 0.5-0.7 parts of antistatic agent；The surface layer II includes the raw material of following parts by weight: 95-105 parts of delustring material.Electronic protective film of the invention mist degree with higher and lower glossiness, extinction layer are smooth to the touch exquisiteness, and white matte effect is relatively beautiful.For electronic product surface protection act on, allow electronic product play the role of in process of production it is dust-proof, scratch.The competitiveness of product in market is increased, solves the demand of client, has filled up the vacancy of market import always.

Description

A kind of electronic protective film and preparation method thereof
Technical field
The invention belongs to thin film fabrication techniques field, it is related to a kind of electronic protective film and preparation method thereof.
Background technique
As the improvement of people's living standards, each electronic product is not only given pleasure at life essential in for people's lives Happy articles.Protective film of electronic product in the market is many kinds of, but the functionality of most of protective film is single, can not be fine Ground meets people's lives demand, therefore it provides a kind of electronic protective film with multiple functions becomes particularly significant.
Summary of the invention
It is an object of the invention to: a kind of electronic protective film and preparation method thereof is provided.
To achieve the goals above, the invention provides the following technical scheme:
A kind of electronic protective film, including surface layer I, sandwich layer, tri- layers of surface layer II,
The surface layer I includes the raw material of following parts by weight: 95-105 parts of delustring material；
The sandwich layer includes the raw material of following parts by weight: 99.3-99.5 parts of polypropylene, 0.5-0.7 parts of antistatic agent；
The surface layer II includes the raw material of following parts by weight: 95-105 parts of delustring material.
Preferably, a kind of electronic protective film, including surface layer I, sandwich layer, tri- layers of surface layer II,
The surface layer I includes the raw material of following parts by weight: 100 parts of delustring material；
The sandwich layer includes the raw material of following parts by weight: 99.4 parts of polypropylene, 0.6 part of antistatic agent；
The surface layer II includes the raw material of following parts by weight: 100 parts of delustring material.
Preferably, the delustring material is made of raw material from the following weight: 45-55 parts of polypropylene, polyethylene 45-55 Part, 0.4-0.6 parts of antioxidant, 12-13 parts of plasticiser.
Preferably, the delustring material is made of raw material from the following weight: 50 parts of polypropylene, 50 parts of polyethylene, antioxygen 0.5 part of agent, 12.5 parts of plasticiser.
Preferably, the delustring preparation method for material is as follows: polypropylene, polyethylene, antioxidant, plasticiser being mixed equal It is even, it is sent into after extruding machine squeezes out and obtains delustring material by water cooling and shearing after drying.
A kind of preparation method of electronic protective film, the specific steps are as follows:
S1: being separately added into corresponding high-speed mixer by the raw material of surface layer I, sandwich layer, surface layer II and mix 25-35min, mixes Core layer raw material enters main extruder after closing uniformly, surface layer I, surface layer II raw material respectively enter corresponding auxiliary extruder I and auxiliary squeeze Machine II out, main extruder heating zone are 248-252 DEG C, and the Heating Zone Temperature of auxiliary extruder I and auxiliary extruder II are 235-245 DEG C, make raw material melt to form melt, die head entered by three-layer co-extruded feed block, melt be uniformly distributed in die head for surface layer I, Sandwich layer, surface layer II outflow, die head temperature are 245-255 DEG C, and screw speed system is in 40-50r/min, and the melt of outflow is in slab Roller surface quick refrigeration is solidified into sheet, and surface temperature control is at 30-35 DEG C；
S2: first preheated roller heating, temperature carry out on longitudinal stretching machine sheet from 119-121 DEG C of 129-131 DEG C of raising It is drawn into film three times, draft temperature is 124-126 DEG C；Thermoforming is carried out in sizing roller surface by the film of longitudinal stretching, Setting temperature is 164-166 DEG C；
S3: film enters transverse stretching machine after longitudinal stretching, and draft temperature is 154-156 DEG C, is cooled down, is being led after stretching Draw area by sided corona treatment, finally winds on winder, it is thin for the finished product of suitable dimension by cutting machine cutting after overaging Film.
The beneficial effects of the present invention are:
1, electronic protective film of the invention mist degree with higher and lower glossiness, extinction layer are smooth to the touch exquisiteness, White matte effect is relatively beautiful.
2, for electronic product surface protection act on, allow electronic product play the role of in process of production it is dust-proof, scratch. The competitiveness of product in market is increased, solves the demand of client, has filled up the vacancy of market import always.
3, the crystal point in improvement film manufacturing processes, white point, into luxury goods outsourcing market.
Specific embodiment
Embodiment 1
A kind of electronic protective film, including surface layer I, sandwich layer, tri- layers of surface layer II,
Surface layer I includes the raw material of following parts by weight: 95 parts of delustring material；
Sandwich layer includes the raw material of following parts by weight: 99.3 parts of polypropylene, 0.5 part of antistatic agent；
Surface layer II includes the raw material of following parts by weight: 95 parts of delustring material.
Wherein, delustring material is made of raw material from the following weight: 45 parts of polypropylene, 45 parts of polyethylene, 0.4 part of antioxidant, 12 parts of plasticiser.
Delustring preparation method for material is as follows: polypropylene, polyethylene, antioxidant, plasticiser being uniformly mixed, extruding machine is sent into and squeezes Shearing obtains delustring material after water cooling and drying after out.
Embodiment 2
A kind of electronic protective film, including surface layer I, sandwich layer, tri- layers of surface layer II,
Surface layer I includes the raw material of following parts by weight: 100 parts of delustring material；
Sandwich layer includes the raw material of following parts by weight: 99.4 parts of polypropylene, 0.6 part of antistatic agent；
Surface layer II includes the raw material of following parts by weight: 100 parts of delustring material.
Wherein, delustring material is made of raw material from the following weight: 50 parts of polypropylene, 50 parts of polyethylene, 0.5 part of antioxidant, 12.5 parts of plasticiser.
Delustring preparation method for material is as follows: polypropylene, polyethylene, antioxidant, plasticiser being uniformly mixed, extruding machine is sent into and squeezes Shearing obtains delustring material after water cooling and drying after out.
Embodiment 3
A kind of electronic protective film, including surface layer I, sandwich layer, tri- layers of surface layer II,
Surface layer I includes the raw material of following parts by weight: 105 parts of delustring material；
Sandwich layer includes the raw material of following parts by weight: 99.5 parts of polypropylene, 0.7 part of antistatic agent；
Surface layer II includes the raw material of following parts by weight: 105 parts of delustring material.
Wherein, delustring material is made of raw material from the following weight: 55 parts of polypropylene, 55 parts of polyethylene, 0.6 part of antioxidant, 13 parts of plasticiser.
Delustring preparation method for material is as follows: polypropylene, polyethylene, antioxidant, plasticiser being uniformly mixed, extruding machine is sent into and squeezes Shearing obtains delustring material after water cooling and drying after out.
Embodiment 4
The preparation method of above-mentioned electronic protective film, the specific steps are as follows:
S1: being separately added into corresponding high-speed mixer by the raw material of surface layer I, sandwich layer, surface layer II and mix 30min, mixes Core layer raw material enters main extruder after uniformly, surface layer I, surface layer II raw material respectively enter corresponding auxiliary extruder I and auxiliary extrusion Machine II, main extruder heating zone are 250 DEG C, and the Heating Zone Temperature of auxiliary extruder I and auxiliary extruder II are 240 DEG C, make raw material Melting forms melt, enters die head by three-layer co-extruded feed block, melt is uniformly distributed as surface layer I, sandwich layer, surface layer in die head II outflow, die head temperature are 250 DEG C, and screw speed is controlled in 40-50r/min, and the melt of outflow is sharply cold in slab roller surface But it is solidified into sheet, surface temperature control is at 30-35 DEG C；
S2: first preheated roller heating, temperature improve 130 DEG C from 120 DEG C, are stretched three times on longitudinal stretching machine sheet At film, draft temperature is 125 DEG C；Thermoforming, setting temperature 165 are carried out in sizing roller surface by the film of longitudinal stretching ℃；
S3: film enters transverse stretching machine after longitudinal stretching, and draft temperature is 155 DEG C, is cooled down after stretching, in towing area It by sided corona treatment, finally winds on winder, is the finished films of suitable dimension by cutting machine cutting after overaging.

Claims (6)

1. a kind of electronic protective film, including surface layer I, sandwich layer, tri- layers of surface layer II, it is characterised in that:
The surface layer I includes the raw material of following parts by weight: 95-105 parts of delustring material；
The sandwich layer includes the raw material of following parts by weight: 99.3-99.5 parts of polypropylene, 0.5-0.7 parts of antistatic agent；
The surface layer II includes the raw material of following parts by weight: 95-105 parts of delustring material.
2. a kind of electronic protective film according to claim 1, including surface layer I, sandwich layer, tri- layers of surface layer II, it is characterised in that:
The surface layer I includes the raw material of following parts by weight: 100 parts of delustring material；
The sandwich layer includes the raw material of following parts by weight: 99.4 parts of polypropylene, 0.6 part of antistatic agent；
The surface layer II includes the raw material of following parts by weight: 100 parts of delustring material.
3. electronic protective film according to claim 1, it is characterised in that: the delustring material by following parts by weight raw material It is made: 45-55 parts of polypropylene, 45-55 parts of polyethylene, 0.4-0.6 parts of antioxidant, 12-13 parts of plasticiser.
4. electronic protective film according to claim 1, it is characterised in that: the delustring material by following parts by weight raw material It is made: 50 parts of polypropylene, 50 parts of polyethylene, 0.5 part of antioxidant, 12.5 parts of plasticiser.
5. electronic protective film according to claim 1, it is characterised in that: the delustring preparation method for material is as follows: will gather Propylene, polyethylene, antioxidant, plasticiser are uniformly mixed, and feeding extruding machine is sheared after water cooling and drying after squeezing out to be disappeared Light material.
6. a kind of preparation method of the electronic protective film as described in claim 1-5 any one, it is characterised in that: specific steps It is as follows:
S1: being separately added into corresponding high-speed mixer by the raw material of surface layer I, sandwich layer, surface layer II and mix 25-35min, and mixing is equal Core layer raw material enters main extruder after even, surface layer I, surface layer II raw material respectively enter corresponding auxiliary extruder I and auxiliary extruder II, main extruder heating zone are 248-252 DEG C, and the Heating Zone Temperature of auxiliary extruder I and auxiliary extruder II are 235-245 DEG C, Make raw material melt to form melt, die head is entered by three-layer co-extruded feed block, melt is uniformly distributed as surface layer I, core in die head Layer, surface layer II outflow, die head temperature are 245-255 DEG C, and screw speed system is in 40-50r/min, and the melt of outflow is in slab roller Surface quick refrigeration is solidified into sheet, and surface temperature control is at 30-35 DEG C；
S2: first preheated roller heating, temperature carry out three times on longitudinal stretching machine sheet from 119-121 DEG C of 129-131 DEG C of raising It is drawn into film, draft temperature is 124-126 DEG C；Thermoforming, sizing are carried out in sizing roller surface by the film of longitudinal stretching Temperature is 164-166 DEG C；
S3: film enters transverse stretching machine after longitudinal stretching, and draft temperature is 154-156 DEG C, is cooled down after stretching, in towing area It by sided corona treatment, finally winds on winder, is the finished films of suitable dimension by cutting machine cutting after overaging.
CN201811069475.0A 2018-09-13 2018-09-13 A kind of electronic protective film and preparation method thereof Pending CN109318556A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811069475.0A CN109318556A (en) 2018-09-13 2018-09-13 A kind of electronic protective film and preparation method thereof

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Application Number Priority Date Filing Date Title
CN201811069475.0A CN109318556A (en) 2018-09-13 2018-09-13 A kind of electronic protective film and preparation method thereof

Publications (1)

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CN109318556A true CN109318556A (en) 2019-02-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111113836A (en) * 2019-12-31 2020-05-08 安徽金田高新材料股份有限公司 Preparation method of 105 ℃ double-sided low-temperature extinction heat-sealing film

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202213260U (en) * 2011-08-30 2012-05-09 浙江凯利包装材料有限公司 Double-surface matted biaxially-stretched polypropylene film

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202213260U (en) * 2011-08-30 2012-05-09 浙江凯利包装材料有限公司 Double-surface matted biaxially-stretched polypropylene film

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111113836A (en) * 2019-12-31 2020-05-08 安徽金田高新材料股份有限公司 Preparation method of 105 ℃ double-sided low-temperature extinction heat-sealing film

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Application publication date: 20190212