CN109354797A - A kind of anti-aging plastics film and its preparation process - Google Patents
A kind of anti-aging plastics film and its preparation process Download PDFInfo
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- CN109354797A CN109354797A CN201811110769.3A CN201811110769A CN109354797A CN 109354797 A CN109354797 A CN 109354797A CN 201811110769 A CN201811110769 A CN 201811110769A CN 109354797 A CN109354797 A CN 109354797A
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- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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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
- B32B27/06—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
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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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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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
- B32B27/18—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
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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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
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- 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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
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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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/04—Cellulosic plastic fibres, e.g. rayon
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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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/06—Vegetal fibres
- B32B2262/062—Cellulose fibres, e.g. cotton
- B32B2262/065—Lignocellulosic fibres, e.g. jute, sisal, hemp, flax, bamboo
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/552—Fatigue strength
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/71—Resistive to light or to UV
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- 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
- C08J2327/00—Characterised by the use of 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 a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
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- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/02—Cellulose; Modified cellulose
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- 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
- C08J2427/00—Characterised by the use of 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 a halogen; Derivatives of such polymers
- C08J2427/02—Characterised by the use of 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/12—Characterised by the use of 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2469/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08J2497/00—Characterised by the use of lignin-containing materials
- C08J2497/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- 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
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
Abstract
The invention discloses a kind of anti-aging plastics film and its preparation processes, are related to film production processing technique field, solve the problems, such as to cause it to be easy to happen fracture in use because plastic film is easy to happen aging.Component including following parts by weight: 35~50 parts of polyvinyl chloride；6~10 parts of polycarbonate；8~14 parts of polytrifluorochloroethylene；3~8 parts of phosphite ester；5~9 parts of coir fibre；5~9 parts of bacteria cellulose fibre；3~6 parts of fumed silica；6~10 parts of gas-phase silica；0.5~1.5 part of heat stabilizer；0.5~1.5 part of light stabilizer；1.5~3.5 parts of plasticizer；1.5~2.5 parts of dispersing agent.The obtained anti-aging plastics film of the present invention is not susceptible to aging in use, and is not susceptible to be broken, whole with good stability.
Description
Technical field
The present invention relates to film production processing technique field, more specifically, it relates to a kind of anti-aging plastics film and
Its preparation process.
Background technique
The film made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, for packing, and
As coating layer, and plastic film can be used for food packaging, electric equipment products packaging, commodity packaging, garment packaging etc..
A kind of polyvinyl chloride composite film material is disclosed in the Chinese invention patent of Publication No. CN104140612A
And its preparation process, polyvinyl chloride composite film material are made of following component according to weight ratio: polyvinyl chloride be 34~48 parts,
Polyvinyl alcohol is 16~22 parts, diethylene glycol dibenzoate is 13~17 parts, butyl formate is 6~12 parts, p-aminobenzoic acid
Butyl ester is 3~7 parts, glycerine is 5~8 parts, magnesium carbonate is 2~4 parts.The preparation of polyvinyl chloride composite film material of the invention
Technique include mixed at high speed, melt extruded, it is tabletted, stretch, film forming and etc..
In above-mentioned patent, by adding magnesium carbonate, Butesin in ability polyvinyl chloride film material, improve
The elongation at break and tensile strength of polyvinyl chloride film material, but the stability of magnesium carbonate and Butesin compared with
Difference, heated or while being influenced by soda acid, easily decompose and react, and polyvinyl chloride composite film material is caused to be easy to happen aging, make its
Fracture is easy to happen in use process, it is, therefore, desirable to provide a kind of new scheme solves the above problems.
Summary of the invention
For causing it to be easy to happen fracture in use because plastic film is easy to happen aging in the prior art
Problem, the purpose of the present invention one be to provide a kind of anti-aging plastics film, by be added can play compounding effect coconut husk it is fine
Peacekeeping bacteria cellulose fibre, fumed silica and gas-phase silica, to solve the above technical problems, in use
It is not susceptible to aging, and is not susceptible to be broken.
To achieve the above object one, the present invention provides the following technical scheme that
A kind of anti-aging plastics film, the component including following parts by weight:
35~50 parts of polyvinyl chloride；
6~10 parts of polycarbonate；
8~14 parts of polytrifluorochloroethylene；
3~8 parts of phosphite ester；
5~9 parts of coir fibre；
5~9 parts of bacteria cellulose fibre；
3~6 parts of fumed silica；
6~10 parts of gas-phase silica；
0.5~1.5 part of heat stabilizer；
0.5~1.5 part of light stabilizer；
1.5~3.5 parts of plasticizer；
1.5~2.5 parts of dispersing agent.
By using above-mentioned technical proposal, polyvinyl chloride has good fireproofing and heat resistant effect, and polytrifluorochloroethylene has
Good chemical inertness, and there is good processing fluidity, it can be sufficiently mixed in the molten state with polyvinyl chloride,
Improve the ageing resistance of anti-aging plastics film entirety.Phosphite ester is a kind of novel organosilane ester phosphorus-containing antioxidant, itself has
There are higher thermal stability, weatherability and stability to hydrolysis resistance, and good processing stability, was using anti-aging plastics film
It is with good stability in journey, and it is not susceptible to aging.
Polycarbonate has good mechanical performance in commonly used temperature, and impact resistance is good, processing performance is good,
And coir fibre has excellent mechanical property, moisture-proof, heat resistance are also more excellent, and it is whole that anti-aging plastics film can be improved
The structural strength of body makes it be not susceptible to be broken in use.Heat stabilizer, light stabilizer, plasticizer and dispersing agent are equal
The stability of anti-aging plastics film entirety can be improved, and keeps it non-aging in use.
Bacteria cellulose fibre is very very thin, large specific surface area, and H-bonding capability is strong, can easily cohere very much nothing
Machine or organic filler and fiber, and good compounding effect is played with coir fibre, the binding force between coir fibre is improved, is made
The structural strength of anti-aging plastics film entirety greatly improves.Meanwhile bacteria cellulose fibre has and is greatly adsorbed on
Coir fibre, and be mutually intertwined, make to connect even closer, gap between each component inside anti-aging plastics film
It reduces, is not susceptible to aging in use, it is with good stability.
Granularity using gas-phase silica and fumed silica is small, and anti-aging plastics film can be made to become more to cause
It is close, ultraviolet light can be consumingly reflected, its transparency, intensity, toughness, and waterproof performance and anti-aging property are not only improved
It significantly improves.Meanwhile fumed silica has porosity, partial gas phase silica particles can be filled in fumed silica
In the aperture in portion, the reflectivity to ultraviolet light is improved, greatly reduces ultraviolet light to the degradation of anti-aging plastics film, makes it
It is whole with good stability.
Further preferably, the step of bacteria cellulose fibre is modified processing, modification is as follows:
S1, the bacteria cellulose fibre for taking corresponding parts by weight, impregnate in glacial acetic acid, soaking time be 20~for 24 hours；
S2, the concentrated sulfuric acid and acetic anhydride for adding corresponding parts by weight, carry out 30~50min of isothermal reaction, and temperature is 65~75
℃；
S3, it being then added and has been preheated with 50~60 DEG C of acetic acid solution, carry out 10~20min of isothermal reaction, temperature is 60~
70℃；
S4, the acrylamide for being eventually adding different mol ratio carry out constant temperature and are stirred to react 4~6h, and temperature is 25~30 DEG C, stirring
Speed is 100~200rpm, obtains mixed liquor；
S5, methanol precipitation flocculent deposit is added in mixed liquor, is filtered repeatedly, and be washed with deionized to neutrality, into
Row vacuum drying, obtains modified bacteria cellulose fiber.
By using above-mentioned technical proposal, modified bacteria cellulose fibre has good film forming, and anti-ageing
The inside for changing plastic film forms bacteria cellulose fibre film, and forms the exclusion seal structure of multilayer, is divided it integrally
It is sealed to multi-section point, and in use, even if part aging occurs for its surface, divided in bacteria cellulose fibre film close
The inside of envelope is also not susceptible to aging, it is made to be not susceptible to be broken in use.Meanwhile modified bacteria cellulose fiber shape
At bacteria cellulose fibre film there is good tear-resistant ability, the structure that anti-aging plastics film entirety can be improved is strong
Degree.
Further preferably, the hexamethyl that parts by weight are 2~4 parts is additionally added in the raw material of the anti-aging plastics film
Phosphoric triamide.
By using above-mentioned technical proposal, which is the weather-proof solvent and excellent polar solvent of polyvinyl chloride, to anti-ageing
The low temperature resistant anti-aging for changing plastic film has remarkable result, and with good between each raw material component of anti-aging plastics film
Good compatibility, is conducive to mix each raw material component adequately, keeps it whole with good stability.Meanwhile hexamethyl
The elasticity and oil resistivity of anti-aging plastics film can be improved in phosphoric triamide, has anti-aging plastics film good using effect
Fruit.
Further preferably, be additionally added in the raw material of the anti-aging plastics film parts by weight be 1.5~3 parts it is poly- partially
Vinyl fluoride.
By using above-mentioned technical proposal, Kynoar have good chemical stability, at room temperature not by acid,
Alkali, strong oxidizer and halogen are corroded, have good heat-resisting quantity, oxidative resistance, weatherability, outside resistance to ray radiation performance,
Also there are the properties such as piezoelectricity, dielectricity, pyroelectricity, make anti-aging plastics film in use and have and is good steady
It is qualitative, it is not susceptible to aging.Meanwhile Kynoar has good mechanical strength, is not susceptible to anti-aging plastics film
Fracture.
Further preferably, the heat stabilizer selects tribasic lead sulfate, calcium stearate, two fourth tin of lauryl mercaptan
Base, benzoic acid or phosphite ester.
By using above-mentioned technical proposal, heat stabilizer can replace active atom present in macromolecular chain, be captured from by
Base, obtains stable chemical bond, reduces a possibility that causing dehydrochlorination reaction, can rapidly with the hydrogen chloride knot that splits away off
It closes, to inhibit its autocatalysis.Heat stabilizer can eliminate the initiation source of thermal degradation in anti-aging plastics film, make to resist
Aged plastics film is not susceptible to aging in use, and with good stability in use.
Further preferably, the light stabilizer selects 2,4-DihydroxyBenzophenone, 2- hydroxyl -4- methoxyl group hexichol first
Ketone or 2-hydroxy-4-n-octoxybenzophenone.
By using above-mentioned technical proposal, light stabilizer can be shielded, reflect ultraviolet light or absorb ultraviolet light and by its turn
Turn to harmless thermal energy, the excitation state of the molecule or group that are excited by ultraviolet light can be quenched, it is made to be returned to ground state, and exclude or
Slow down a possibility that photoredox reaction occurs, moreover it is possible to exclude or slow down photochemical reaction possibility, prevent or postpone light
The process of aging imitates the use of anti-aging plastics film to achieve the purpose that extend anti-aging plastics film service life
Fruit greatly improves.
Further preferably, the plasticizer selects phthalic acid rouge, aliphatic dibasic acid rouge, fatty acid monoester, two
First polyol fatty acid rouge or fatty acid polyethylene glycol ester.
By using above-mentioned technical proposal, plasticizer is usually the substance of a kind of " class solvent ", weakens polymer molecule
The Van der Waals force of interchain, causes intermolecular distance to increase, and increases the mobility of polymer molecular chain, to reduce polymer point
The crystallinity of son, increases the plasticity of anti-aging plastics film.Plasticizer, which is added, can reduce the melting viscosity of plastics, vitrifying
The elasticity modulus of temperature and elastomer is plasticized the basic chemical characteristic of substance without changing, makes anti-aging plastics film
Overall structural strength is improved.
Further preferably, the dispersing agent selects polyethylene glycol, triethyl group hexyl phosphoric acid, lauryl sodium sulfate, first
Base amylalcohol or sodium tripolyphosphate.
By using above-mentioned technical proposal, dispersing agent is conducive to make each component raw material in anti-aging plastics film sufficient
It spreads out, avoids causing the internal structure of anti-aging plastics film to be destroyed, in turn because part material is agglomerating in mixing
Leading to the integral strength of anti-aging plastics film reduces.Meanwhile each feed distribution inside anti-aging plastics film is uniform, makes it
It is less prone to local ageing in use, and whole with good stability.
The purpose of the present invention two is to provide a kind of preparation process of anti-aging plastics film, using the anti-of technique preparation
Aged plastics film is not susceptible to aging in use, and has good structural strength.
To achieve the above object two, the present invention provides the following technical scheme that
A kind of preparation process of anti-aging plastics film, comprising the following steps:
The polyvinyl chloride of corresponding parts by weight, polytrifluorochloroethylene, polycarbonate and phosphite ester are put into reaction kettle by step 1
Middle progress constant temperature stirring, mixing speed are 500~800rpm, and mixing time is 20~40min, and temperature maintains 80~100 DEG C；
Step 2 adds the fumed silica and gas-phase silica of corresponding parts by weight, carries out constant temperature stirring, mixing speed
For 400~900rpm, mixing time is 15~25min, and temperature maintains 50~65 DEG C；
Step 3 adds the coir fibre and bacteria cellulose fibre of corresponding parts by weight, carries out constant temperature stirring, mixing speed
For 300~600rpm, mixing time is 10~15min, and temperature maintains 20~30 DEG C, obtains mixing；
Heat stabilizer, light stabilizer, plasticizer and the dispersing agent of corresponding parts by weight is added in step 4 in above-mentioned mixing, and
It is kneaded 10~15min with roll squeezer, the temperature of mixing is 110~130 DEG C, obtains mixture；
Mixture is put into plastic film blowing machine and squeezes out blown film by step 5, and anti-aging plastics film can be obtained.
By using above-mentioned technical proposal, each material component can be made adequately to scatter, and be uniformly mixed, improved anti-aging
The stability of plastic film entirety, makes bacteria cellulose fibre and coir fibre uniformly spread out, and be filled in each component
In interparticle gap, greatly improve the structural strength of anti-aging plastics film entirety, and be not susceptible in use
Aging, it is with good stability.Meanwhile the aperture inside fumed silica can be filled in partial gas phase silica particles
In, the reflectivity to ultraviolet light is improved, greatly reduces ultraviolet light to the degradation of anti-aging plastics film, is made it have good
Ageing resistance, be not susceptible to be broken in use.
Further preferably, step 5 specifically comprises the following steps, by the ethylene-vinyl alcohol copolymer of corresponding parts by weight
Heating melting is carried out with ethylene-vinyl acetate copolymer, and curtain coating casting is carried out using multi-layer co-extruded the tape casting together with mixture
Piece, and sided corona treatment is carried out, obtain the fresh-keeping fit film of high temperature resistant with multi-layer structure.
The most distinguishing feature of EVOH resin is its barrier action to gas, and has good thermal stability, ethylene-vinegar
Sour ethylene copolymer is closed blasthole structure, weather-proof, anti-droplet with higher and thermal insulation property.By ethylene vinyl alcohol copolymer
After object and ethylene-vinyl acetate copolymer are melted, and with mixture together made of multi-layer co-extruded membrane structure, make high temperature resistant
The overall performance of fresh-keeping fit film greatly improves, and antiageing effect greatly enhances.Meanwhile sided corona treatment is carried out, make high temperature resistant
Fresh-keeping fit film surface generates radical reaction and crosslinks polymer, improves the adhesive force on its surface, makes it have good
Good using effect.
In conclusion compared with prior art, the invention has the following advantages:
(1) bacteria cellulose fibre large specific surface area, and H-bonding capability is strong, can easily cohere very much inorganic or organic grain
Son and fiber, and good compounding effect is played with coir fibre, mention the structural strength of anti-aging plastics film entirety significantly
It is high.Meanwhile partial gas phase silica particles can be filled in the aperture inside fumed silica, improve the reflection to ultraviolet light
Rate greatly reduces ultraviolet light to the degradation of anti-aging plastics film, is not easy anti-aging plastics film in use
Aging occurs, and with good stability；
(2) processing is modified to bacteria cellulose fibre, and forms bacteria cellulose fibre in the inside of anti-aging plastics film
Film is tieed up, anti-aging plastics film is divided integrally and is sealed to multi-section point.In use, even if anti-aging plastics film table
Part aging occurs for face, is also not susceptible to aging in the inside of the divided sealing of bacteria cellulose fibre film, and in use process
In be not susceptible to be broken, whole anti-aging property greatly improves；
(3) hexamethylphosphoramide and Kynoar are added in material component, to the low temperature resistant anti-of anti-aging plastics film
Aging has remarkable result, keeps anti-aging plastics film with good stability in use, is not susceptible to aging, and
Kynoar has good mechanical strength, greatly improves the structural strength of anti-aging plastics film entirety.
Specific embodiment
Below with reference to embodiment, the present invention will be described in detail.
Embodiment 1: a kind of anti-aging plastics film, each component and its corresponding parts by weight are as shown in table 1, and by such as
Lower step prepares:
The polyvinyl chloride of corresponding parts by weight, polytrifluorochloroethylene, polycarbonate and phosphite ester are put into reaction kettle by step 1
Middle progress constant temperature stirring, mixing speed 500rpm, mixing time 40min, temperature maintain 80 DEG C；
Step 2 adds the fumed silica and gas-phase silica of corresponding parts by weight, carries out constant temperature stirring, mixing speed
For 900rpm, mixing time 25min, temperature maintains 50 DEG C；
Step 3 adds the coir fibre and bacteria cellulose fibre of corresponding parts by weight, carries out constant temperature stirring, mixing speed
For 300rpm, mixing time 15min, temperature maintains 30 DEG C, obtains mixing；
The calcium stearate, 2,4-DihydroxyBenzophenone, O-phthalic of corresponding parts by weight is added in step 4 in above-mentioned mixing
Sour rouge and polyethylene glycol, and it is kneaded 15min with roll squeezer, the temperature of mixing is 110 DEG C, obtains mixture；
Mixture is put into plastic film blowing machine and squeezes out blown film by step 5, and anti-aging plastics film can be obtained.
Embodiment 2-8: a kind of anti-aging plastics film, difference from example 1 is that, each component and its corresponding
Parts by weight are as shown in table 1.
Each component and its parts by weight in 1 embodiment 1-8 of table
Embodiment 9: a kind of anti-aging plastics film, difference from example 1 is that, the bacteria cellulose fibre carries out
The step of modification, modification, is as follows:
S1, the bacteria cellulose fibre for taking corresponding parts by weight impregnate in glacial acetic acid, and soaking time is for 24 hours；
S2, the acetic anhydride for adding the concentrated sulfuric acid and 8:1 that corresponding weight fraction ratio is 14:1, carry out isothermal reaction 30min, temperature
It is 75 DEG C；
It is the acetic acid solution of 1:2 that S3, then addition, which have been preheated with 50 DEG C and corresponding weight fraction ratio, carries out isothermal reaction
10min, temperature are 60 DEG C；
S4, it is eventually adding the acrylamide that molar ratio is 1:2 and corresponding weight fraction ratio is 4:1, carries out constant temperature and is stirred to react 4h,
Temperature is 25 DEG C, and mixing speed 100rpm obtains mixed liquor；
S5, the methanol precipitation flocculent deposit that corresponding weight fraction ratio is 8:1 is added in mixed liquor, is filtered, is used in combination repeatedly
Deionized water is washed to neutrality, is dried in vacuo, and modified bacteria cellulose fiber is obtained.
Embodiment 10: a kind of anti-aging plastics film, with embodiment 9 the difference is that, step 4 specifically include as
Lower step, it is 0.5 part of calcium stearate, 0.5 part of 2,4- dihydroxy hexichol first that corresponding parts by weight are added in above-mentioned mixing
Ketone, 3.5 parts of phthalic acid rouge, 1.5 parts of polyethylene glycol and 2 parts of hexamethylphosphoramide, and be kneaded with roll squeezer
15min, the temperature of mixing are 110 DEG C, obtain mixture.
Embodiment 11: a kind of anti-aging plastics film, with embodiment 10 the difference is that, hexamethylphosphoramide
Parts by weight are set as 3 parts.
Embodiment 12: a kind of anti-aging plastics film, with embodiment 10 the difference is that, hexamethylphosphoramide
Parts by weight are set as 4 parts.
Embodiment 13: a kind of anti-aging plastics film, with embodiment 12 the difference is that, step 4 specifically include as
Lower step, it is 0.5 part of calcium stearate, 0.5 part of 2,4- dihydroxy hexichol first that corresponding parts by weight are added in above-mentioned mixing
Ketone, 3.5 parts of phthalic acid rouge, 1.5 parts of polyethylene glycol, 4 parts of hexamethylphosphoramide and 1.5 parts of polyvinylidene fluoride
Alkene, and it is kneaded 15min with roll squeezer, the temperature of mixing is 110 DEG C, obtains mixture.
Embodiment 14: a kind of anti-aging plastics film, with embodiment 13 the difference is that, the weight of Kynoar
Number is set as 2.5 parts.
Embodiment 15: a kind of anti-aging plastics film, with embodiment 13 the difference is that, the weight of Kynoar
Number is set as 3 parts.
Embodiment 16: a kind of anti-aging plastics film, with embodiment 15 the difference is that, step 4 specifically include as
Two fourth tinbase of lauryl mercaptan, 0.5 part of 2,4- dihydroxy that corresponding parts by weight are 0.5 part is added in lower step in above-mentioned mixing
Base benzophenone, 3.5 parts of phthalic acid rouge and 1.5 parts of polyethylene glycol, and 15min, the temperature of mixing are kneaded with roll squeezer
Degree is 110 DEG C, obtains mixture.
Embodiment 17: a kind of anti-aging plastics film, with embodiment 15 the difference is that, step 4 specifically include as
Lower step, it is 0.5 part of calcium stearate, 0.5 part of 2- hydroxyl -4- methoxyl group two that corresponding parts by weight are added in above-mentioned mixing
Benzophenone, 3.5 parts of phthalic acid rouge and 1.5 parts of polyethylene glycol, and it is kneaded 15min with roll squeezer, the temperature of mixing is
110 DEG C, obtain mixture.
Embodiment 18: a kind of anti-aging plastics film, with embodiment 15 the difference is that, step 4 specifically include as
Lower step, it is 0.5 part of calcium stearate, 0.5 part of 2,4- dihydroxy hexichol first that corresponding parts by weight are added in above-mentioned mixing
Ketone, 3.5 parts of fatty acid polyethylene glycol ester and 1.5 parts of polyethylene glycol, and it is kneaded 15min with roll squeezer, the temperature of mixing is
110 DEG C, obtain mixture.
Embodiment 19: a kind of anti-aging plastics film, with embodiment 15 the difference is that, step 4 specifically include as
Lower step, it is 0.5 part of calcium stearate, 0.5 part of 2,4- dihydroxy hexichol first that corresponding parts by weight are added in above-mentioned mixing
Ketone, 3.5 parts of phthalic acid rouge and 1.5 parts of triethyl group hexyl phosphoric acid, and 15min, the temperature of mixing are kneaded with roll squeezer
It is 110 DEG C, obtains mixture.
Embodiment 20: a kind of anti-aging plastics film, with embodiment 19 the difference is that, step 5 specifically include as
Ethylene-vinyl alcohol copolymer and 1:1de ethene-vinyl acetate that weight fraction ratio corresponding to mixture is 1:1 are total to by lower step
Polymers carries out heating melting, and carries out curtain coating slab using multi-layer co-extruded the tape casting together with mixture, and carry out sided corona treatment,
Obtain the fresh-keeping fit film of high temperature resistant with multi-layer structure.
Comparative example 1: a kind of anti-aging plastics film, difference from example 1 is that, the anti-aging plastics film
Raw material components in do not contain bacteria cellulose fibre.
Comparative example 2: a kind of anti-aging plastics film, difference from example 1 is that, the anti-aging plastics film
Raw material components in do not contain bacteria cellulose fibre and coir fibre.
Comparative example 3: a kind of anti-aging plastics film, difference from example 1 is that, the anti-aging plastics film
Raw material components in do not contain fumed silica.
Comparative example 4: a kind of anti-aging plastics film, difference from example 1 is that, the anti-aging plastics film
Raw material components in do not contain gas-phase silica.
Comparative example 5: a kind of anti-aging plastics film, difference from example 1 is that, the anti-aging plastics film
Raw material components in do not contain gas-phase silica and fumed silica.
Testing a resistance to tear can test
Test specimen: using the anti-aging plastics film obtained in embodiment 1-20 as test specimen 1-20, using comparative example
The anti-aging plastics film obtained in 1-5 is as control sample 1-5.
Test method: tearing strength refers to that material bears maximum stress value before breaking, respectively from test specimen 1-20 and right
10 samples are respectively chosen in product 1-5 in the same old way, is prepared by sample, " plastic film and thin slice are resistance to by GB/T16578.1-2008
Tear the measurement of performance " in regulation carry out.Select each test specimen of SLD-1000Z plastic film tear-resistant degree instrument measurement and right
The tearing strength of 10 samples of product in the same old way, calculates the average value of 10 sample tearing strengths.
Test result: the test result of test specimen 1-20 and control sample 1-5 are as shown in table 2.
The test result of table 2 test specimen 1-20 and control sample 1-5
As shown in Table 2, it can be obtained by the control of the tearing strength of test specimen 1-20 and control sample 1-5, bacteria cellulose fibre, coconut palm
Case fibre and gas-phase silica and fumed silica can improve the tearing strength of anti-aging plastics film.And to bacterial fibers
Cellulose fiber is modified processing, it is made to form bacteria cellulose fibre film, bacteria cellulose fibre between each raw material component
Film has good tear-resistant ability, improves the tearing strength of anti-aging plastics film entirety.Meanwhile Kynoar has
Good mechanical strength makes anti-aging plastics film be not susceptible to be broken, and ethylene-vinyl alcohol copolymer and ethylene-vinegar is added
Sour ethylene copolymer substantially increases the tearing strength of anti-aging plastics film by being made by co-extrusion to multilayered structure.
Test the test of two heat aging performances
Test specimen: using the anti-aging plastics film obtained in embodiment 1-20 as test specimen 1-20, using comparative example
The anti-aging plastics film obtained in 1-5 is as control sample 1-5.
Test method: tearing strength refers to that material bears maximum stress value before breaking, respectively from test specimen 1-20 and right
10 samples are respectively chosen in product 1-5 in the same old way, is prepared by sample, by GB/T7141-2008 " plastic ageing test method "
Regulation carry out.Place the sample in each sample respectively in heat aging test chamber, and at 30 DEG C, 40 DEG C, 60 DEG C and 90 DEG C
Under conditions of, the invalidation period of the sample in each sample is measured, and record.
Test result: the test result of test specimen 1-20 and control sample 1-5 are as shown in table 3.
The test result of table 3 test specimen 1-20 and control sample 1-5
As shown in Table 3, by the invalidation period of test specimen 1-20 and control sample 1-5 control can obtain, bacteria cellulose fibre and
Coir fibre plays good compounding effect, and gas-phase silica and fumed silica play good compounding effect, can improve
The invalidation period of anti-aging plastics film, and it is able to maintain longer stability at relatively high temperatures.To bacteria cellulose fibre into
Row modification makes it form bacteria cellulose fibre film between each raw material component, and plays the role of partition, makes anti-aging
Plastic film obtain it is internal be not susceptible to aging, invalidation period greatly prolongs.Meanwhile hexamethylphosphoramide and Kynoar,
There is remarkable result to the heatproof anti-aging of anti-aging plastics film, making anti-aging plastics film in use has well
Stability, and ethylene-vinyl alcohol copolymer and ethylene-vinyl acetate copolymer is added by being made by co-extrusion to multilayered structure, makes
The heat aging property of anti-aging plastics film greatly improves.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of anti-aging plastics film, which is characterized in that the component including following parts by weight:
35~50 parts of polyvinyl chloride；
6~10 parts of polycarbonate；
8~14 parts of polytrifluorochloroethylene；
3~8 parts of phosphite ester；
5~9 parts of coir fibre；
5~9 parts of bacteria cellulose fibre；
3~6 parts of fumed silica；
6~10 parts of gas-phase silica；
0.5~1.5 part of heat stabilizer；
0.5~1.5 part of light stabilizer；
1.5~3.5 parts of plasticizer；
1.5~2.5 parts of dispersing agent.
2. anti-aging plastics film according to claim 1, which is characterized in that the bacteria cellulose fibre is modified
The step of processing, modification, is as follows:
S1, the bacteria cellulose fibre for taking corresponding parts by weight, impregnate in glacial acetic acid, soaking time be 20~for 24 hours；
S2, the concentrated sulfuric acid and acetic anhydride for adding corresponding parts by weight, carry out 30~50min of isothermal reaction, and temperature is 65~75
℃；
S3, it being then added and has been preheated with 50~60 DEG C of acetic acid solution, carry out 10~20min of isothermal reaction, temperature is 60~
70℃；
S4, the acrylamide for being eventually adding different mol ratio carry out constant temperature and are stirred to react 4~6h, and temperature is 25~30 DEG C, stirring
Speed is 100~200rpm, obtains mixed liquor；
S5, methanol precipitation flocculent deposit is added in mixed liquor, is filtered repeatedly, and be washed with deionized to neutrality, into
Row vacuum drying, obtains modified bacteria cellulose fiber.
3. anti-aging plastics film according to claim 1, which is characterized in that in the raw material of the anti-aging plastics film
It is additionally added the hexamethylphosphoramide that parts by weight are 2~4 parts.
4. anti-aging plastics film according to claim 1, which is characterized in that in the raw material of the anti-aging plastics film
It is additionally added the Kynoar that parts by weight are 1.5~3 parts.
5. anti-aging plastics film according to claim 1, which is characterized in that the heat stabilizer selects tribasic property sulphur
Lead plumbate, calcium stearate, two fourth tinbase of lauryl mercaptan, benzoic acid or phosphite ester.
6. anti-aging plastics film according to claim 1, which is characterized in that the light stabilizer selects 2,4- dihydroxy
Benzophenone, ESCALOL 567 or 2-hydroxy-4-n-octoxybenzophenone.
7. anti-aging plastics film according to claim 1, which is characterized in that the plasticizer selects phthalic acid
Rouge, aliphatic dibasic acid rouge, fatty acid monoester, dihydric alcohol fatty acid ester or fatty acid polyethylene glycol ester.
8. anti-aging plastics film according to claim 1, which is characterized in that the dispersing agent selects polyethylene glycol, three
Ethylhexyl phosphoric acid, lauryl sodium sulfate, methyl anyl alcohol or sodium tripolyphosphate.
9. a kind of preparation process of anti-aging plastics film, which comprises the following steps:
The polyvinyl chloride of corresponding parts by weight, polytrifluorochloroethylene, polycarbonate and phosphite ester are put into reaction kettle by step 1
Middle progress constant temperature stirring, mixing speed are 500~800rpm, and mixing time is 20~40min, and temperature maintains 80~100 DEG C；
Step 2 adds the fumed silica and gas-phase silica of corresponding parts by weight, carries out constant temperature stirring, mixing speed
For 400~900rpm, mixing time is 15~25min, and temperature maintains 50~65 DEG C；
Step 3 adds the coir fibre and bacteria cellulose fibre of corresponding parts by weight, carries out constant temperature stirring, mixing speed
For 300~600rpm, mixing time is 10~15min, and temperature maintains 20~30 DEG C, obtains mixing；
Heat stabilizer, light stabilizer, plasticizer and the dispersing agent of corresponding parts by weight is added in step 4 in above-mentioned mixing, and
It is kneaded 10~15min with roll squeezer, the temperature of mixing is 110~130 DEG C, obtains mixture；
Mixture is put into plastic film blowing machine and squeezes out blown film by step 5, and anti-aging plastics film can be obtained.
10. the preparation process of anti-aging plastics film according to claim 9, which is characterized in that step 5 specifically includes
The ethylene-vinyl alcohol copolymer of corresponding parts by weight and ethylene-vinyl acetate copolymer are carried out heating melting by following steps,
And curtain coating slab is carried out using multi-layer co-extruded the tape casting together with mixture, and carry out sided corona treatment, it obtains with multilayered structure
The fresh-keeping fit film of high temperature resistant.
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| CN112500662A (en) * | 2020-12-14 | 2021-03-16 | 安吉傲森智能家具有限公司 | Material for manufacturing corrosion-resistant anti-aging bar chair seat and manufacturing method thereof |
| CN114409696A (en) * | 2022-02-21 | 2022-04-29 | 山东星达新材料有限公司 | Stabilizer for processing reclaimed materials and PC reclaimed materials comprising same |
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| CN104485437A (en) * | 2014-12-19 | 2015-04-01 | 宁波艾特米克锂电科技有限公司 | Composite nanofibre diaphragm with thermal pore-closing function, preparation method and energy storage device |
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| CN114409696A (en) * | 2022-02-21 | 2022-04-29 | 山东星达新材料有限公司 | Stabilizer for processing reclaimed materials and PC reclaimed materials comprising same |
| CN114409696B (en) * | 2022-02-21 | 2024-02-02 | 山东星达新材料有限公司 | Stabilizer for reclaimed material processing and PC reclaimed material comprising same |
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