CN109370016A - A kind of resilient flexibility complementary type heat shrink films and preparation method thereof - Google Patents
A kind of resilient flexibility complementary type heat shrink films and preparation method thereof Download PDFInfo
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- CN109370016A CN109370016A CN201811274101.2A CN201811274101A CN109370016A CN 109370016 A CN109370016 A CN 109370016A CN 201811274101 A CN201811274101 A CN 201811274101A CN 109370016 A CN109370016 A CN 109370016A
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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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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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
- 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
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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
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/02—Cellulose; Modified cellulose
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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
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
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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
- C08J2497/00—Characterised by the use of lignin-containing materials
- C08J2497/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention discloses a kind of resilient flexibility complementary type heat shrink films, it is characterised in that it includes the component of following parts by weight: 100 parts of polyethylene, 1~3 part of antioxidant, 2~4 parts of light stabilizer, 0.5~1 part of terephthaldehyde's dioctyl ester, 1~2 part of magnesium stearate, 5~10 parts of flax fiber, 4~8 parts of bamboo fibre, 2~4 parts of cotton fiber, 5~10 parts of spandex fibre；The weight ratio of the bamboo fibre and cotton fiber is 2:1；The flax fiber and spandex fibre weight ratio is 1:1.By being thoroughly mixed, melting, extruding pelletization, blowfilm shaping, stretching by polyethylene, antioxidant, light stabilizer, terephthaldehyde's dioctyl ester, magnesium stearate and the first modified fibre and the second modified fibre, resilient flexibility complementary type heat shrink films are obtained.
Description
Technical field
The present invention relates to a kind of resilient flexibility complementary type heat shrink films and preparation methods.
Background technique
Heat shrink films are a kind of packing films with good heat-shrinkable, heat shrink films because of its excellent stability and
Safety is widely used in fields such as food, drug, beverages, heat shrink films it is many kinds of, have PE thermal contraction
Film, PVC heat shrink films, POF heat shrink films, OPS heat shrink films etc.；But whether any heat shrink films, in order into one
Step widens heat shrink films in the application range of packaging industry, needs to carry out the anti-flammability and heat-resisting quantity of heat shrink films comprehensive
Promotion.
Summary of the invention
In view of the deficiencies of the prior art mentioned above, problems solved by the invention are as follows: it is good, soft to provide a kind of humidity absorption and release
Property and elasticity is moderate, heat shrink films of good flame resistance and preparation method.
To solve the above problems, the technical solution adopted by the present invention is as follows:
A kind of resilient flexibility complementary type heat shrink films, comprise the following components in parts by weight: 100 parts of polyethylene, antioxidant 1
~3 parts, 2~4 parts of light stabilizer, 0.5~1 part of terephthaldehyde's dioctyl ester, 1~2 part of magnesium stearate, 5~10 parts of flax fiber, bamboo
4~8 parts of fiber, 2~4 parts of cotton fiber, 5~10 parts of spandex fibre；The weight ratio of the bamboo fibre and cotton fiber is 2:1；Institute
The flax fiber and spandex fibre weight ratio stated are 1:1.
Further, comprise the following components in parts by weight: 100 parts of polyethylene, 2 parts of antioxidant, 3 parts of light stabilizer, to benzene
0.7 part of diformazan dioctyl ester, 1.5 parts of magnesium stearate, 7 parts of flax fiber, 6 parts of bamboo fibre, 3 parts of cotton fiber.
Further, the antioxidant is butylated hydroxy anisole, in dibutyl hydroxy toluene, tert-butyl hydroquinone
One or more.
Further, the light stabilizer is light stabilizer 944.
A kind of preparation method of resilient flexibility complementary type heat shrink films, steps are as follows:
S1, it flax fiber and spandex fibre is fed together in grinder is fully ground, obtain the Asia of powder state
Flaxen fiber and spandex fibre will be added water in the flax fiber and spandex fibre of powder state shape, dry, obtain after being sufficiently stirred
First modified fibre；
S2, it will be fully ground in bamboo fibre feeding grinder, the bamboo fibre of powder state obtained, by the bamboo of powder state shape
Water is added in fiber, is sufficiently stirred, bamboo fibre slurries are obtained；Cotton fiber is sent into beater and is beaten, is swum
The cotton fiber slurries of amorph；The cotton fiber slurries of bamboo fibre slurries and free state are fed together in blender and are sufficiently stirred
It mixes, obtains pre- modified fibre slurries；Pre- modified fibre slurries and flax fiber slurries are fed together in blender and are carried out sufficiently
Filtering drying after stirring obtains the second modified fibre；
S3, by polyethylene, antioxidant, light stabilizer, terephthaldehyde's dioctyl ester, magnesium stearate and the first modified fibre
It is thoroughly mixed, melted with the second modified fibre, extruding pelletization, blowfilm shaping, stretching, obtaining resilient flexibility complementary type
Heat shrink films.
Further, in the step S1 mixing time of the flax fiber and spandex fibre of powder state shape in water be 15~
20min。
Further, the beating degree of beater is 30~40 ° of SR in the step S2；Pre- modified fibre slurries and flax are fine
The control of slurries drying temperature is tieed up at 60~80 DEG C.
Further, it is 35~40min that the time is stirred in the step S3；It is stretched as biaxial tension, temperature 105
~115 DEG C.
Beneficial effects of the present invention
Invention increases flax fiber, the good flame retardation effect of flax fiber, but it is softer, affect heat shrink films
Elasticity, in order to make up this defect, the present invention is additionally arranged spandex fibre, by spandex fibre and flax fiber have lack it is mutual
It mends, so that flexibility and elasticity of the invention is all improved；The present invention increases to increase the humidity absorption and releases of heat shrink films
Bamboo fibre, but bamboo fibre is crisp, in order to overcome this drawback, invention increases cotton fibers, and control bamboo fibre and cotton
The weight ratio of fiber is 2:1, and humidity absorption and release performance is so increased while not influencing the flexibility of heat shrink films；The present invention
It heated flax fiber in heat shrink films, the flame retardant effect of flax fiber is splendid, thermal diffusivity is good, increases the resistance of entire material
Combustion property and thermal diffusivity；The present invention first grinds flax fiber during preparation, is in powder by flax fiber grinding
It is merged after the drying of shape slurries with other component materials, the defect for preventing each position performance of hot winder inconsistent, this hair
Bright preparation method is simple and efficient, so that the performance of resilient flexibility complementary type heat shrink films is uniform.
Specific embodiment
The content of present invention is described in further detail below.
Embodiment 1
A kind of resilient flexibility complementary type heat shrink films, comprise the following components in parts by weight: 100 parts of polyethylene, antioxidant 1
Part, 2 parts of light stabilizer, 0.5 part of terephthaldehyde's dioctyl ester, 1 part of magnesium stearate, 5 parts of flax fiber, 4 parts of bamboo fibre, cotton fiber 2
Part, 5 parts of spandex fibre.Further, the antioxidant is butylated hydroxy anisole.Further, the light stabilizer is
Light stabilizer 944.
A kind of preparation method of resilient flexibility complementary type heat shrink films, steps are as follows:
S1, it flax fiber and spandex fibre is fed together in grinder is fully ground, obtain the Asia of powder state
Flaxen fiber and spandex fibre will be added water in the flax fiber and spandex fibre of powder state shape, dry, obtain after being sufficiently stirred
First modified fibre；The mixing time of the flax fiber and spandex fibre of powder state shape in water is 15min.
S2, it will be fully ground in bamboo fibre feeding grinder, the bamboo fibre of powder state obtained, by the bamboo of powder state shape
Water is added in fiber, is sufficiently stirred, bamboo fibre slurries are obtained；Cotton fiber is sent into beater and is beaten, is swum
The cotton fiber slurries of amorph；The cotton fiber slurries of bamboo fibre slurries and free state are fed together in blender and are sufficiently stirred
It mixes, obtains pre- modified fibre slurries；Pre- modified fibre slurries and flax fiber slurries are fed together in blender and are carried out sufficiently
Filtering drying after stirring obtains the second modified fibre；The beating degree of beater is 30 ° of SR；Pre- modified fibre slurries and flax are fine
The control of slurries drying temperature is tieed up at 60 DEG C.
S3, by polyethylene, antioxidant, light stabilizer, terephthaldehyde's dioctyl ester, magnesium stearate and and first modified
Fiber and the second modified fibre be thoroughly mixed, melted, extruding pelletization, blowfilm shaping, stretching, and it is mutual to obtain resilient flexibility
Apotype heat shrink films；Being stirred the time is 35min；It is stretched as biaxial tension, temperature is 105 DEG C.
Embodiment 2
A kind of resilient flexibility complementary type heat shrink films, comprise the following components in parts by weight: 100 parts of polyethylene, antioxidant 2
Part, 3 parts of light stabilizer, 0.7 part of terephthaldehyde's dioctyl ester, 1.5 parts of magnesium stearate, 7 parts of flax fiber, 6 parts of bamboo fibre, cotton fiber
3 parts, 7 parts of spandex fibre.Further, the antioxidant is tert-butyl hydroquinone.Further, the light stabilizer is
Light stabilizer 944.
A kind of preparation method of resilient flexibility complementary type heat shrink films, steps are as follows:
S1, it flax fiber and spandex fibre is fed together in grinder is fully ground, obtain the Asia of powder state
Flaxen fiber and spandex fibre will be added water in the flax fiber and spandex fibre of powder state shape, dry, obtain after being sufficiently stirred
First modified fibre；The mixing time of the flax fiber and spandex fibre of powder state shape in water is 17min.
S2, it will be fully ground in bamboo fibre feeding grinder, the bamboo fibre of powder state obtained, by the bamboo of powder state shape
Water is added in fiber, is sufficiently stirred, bamboo fibre slurries are obtained；Cotton fiber is sent into beater and is beaten, is swum
The cotton fiber slurries of amorph；The cotton fiber slurries of bamboo fibre slurries and free state are fed together in blender and are sufficiently stirred
It mixes, obtains pre- modified fibre slurries；Pre- modified fibre slurries and flax fiber slurries are fed together in blender and are carried out sufficiently
Filtering drying after stirring obtains the second modified fibre；The beating degree of beater is 35 ° of SR；Pre- modified fibre slurries and flax are fine
The control of slurries drying temperature is tieed up at 70 DEG C.
S3, by polyethylene, antioxidant, light stabilizer, terephthaldehyde's dioctyl ester, magnesium stearate and and first modified
Fiber and the second modified fibre be thoroughly mixed, melted, extruding pelletization, blowfilm shaping, stretching, and it is mutual to obtain resilient flexibility
Apotype heat shrink films；Being stirred the time is 37min；It is stretched as biaxial tension, temperature is 110 DEG C.
Embodiment 3
A kind of resilient flexibility complementary type heat shrink films, comprise the following components in parts by weight: 100 parts of polyethylene, antioxidant 3
Part, 4 parts of light stabilizer, 1 part of terephthaldehyde's dioctyl ester, 2 parts of magnesium stearate, 10 parts of flax fiber, 8 parts of bamboo fibre, cotton fiber 4
Part, 10 parts of spandex fibre.Further, the antioxidant is dibutyl hydroxy toluene.Further, the light stabilizer is
Light stabilizer 944.
A kind of preparation method of resilient flexibility complementary type heat shrink films, steps are as follows:
S1, it flax fiber and spandex fibre is fed together in grinder is fully ground, obtain the Asia of powder state
Flaxen fiber and spandex fibre will be added water in the flax fiber and spandex fibre of powder state shape, dry, obtain after being sufficiently stirred
First modified fibre；The mixing time of the flax fiber and spandex fibre of powder state shape in water is 20min.
S2, it will be fully ground in bamboo fibre feeding grinder, the bamboo fibre of powder state obtained, by the bamboo of powder state shape
Water is added in fiber, is sufficiently stirred, bamboo fibre slurries are obtained；Cotton fiber is sent into beater and is beaten, is swum
The cotton fiber slurries of amorph；The cotton fiber slurries of bamboo fibre slurries and free state are fed together in blender and are sufficiently stirred
It mixes, obtains pre- modified fibre slurries；Pre- modified fibre slurries and flax fiber slurries are fed together in blender and are carried out sufficiently
Filtering drying after stirring obtains the second modified fibre；The beating degree of beater is 40 ° of SR；Pre- modified fibre slurries and flax are fine
The control of slurries drying temperature is tieed up at 80 DEG C.
S3, by polyethylene, antioxidant, light stabilizer, terephthaldehyde's dioctyl ester, magnesium stearate and and first modified
Fiber and the second modified fibre be thoroughly mixed, melted, extruding pelletization, blowfilm shaping, stretching, and it is mutual to obtain resilient flexibility
Apotype heat shrink films；Being stirred the time is 40min；It is stretched as biaxial tension, temperature is 115 DEG C.
Invention increases flax fiber, the good flame retardation effect of flax fiber, but it is softer, affect heat shrink films
Elasticity, in order to make up this defect, the present invention is additionally arranged spandex fibre, by spandex fibre and flax fiber have lack it is mutual
It mends, so that flexibility and elasticity of the invention is all improved；The present invention increases to increase the humidity absorption and releases of heat shrink films
Bamboo fibre, but bamboo fibre is crisp, in order to overcome this drawback, invention increases cotton fibers, and control bamboo fibre and cotton
The weight ratio of fiber is 2:1, and humidity absorption and release performance is so increased while not influencing the flexibility of heat shrink films；The present invention
It heated flax fiber in heat shrink films, the flame retardant effect of flax fiber is splendid, thermal diffusivity is good, increases the resistance of entire material
Combustion property and thermal diffusivity；The present invention first grinds flax fiber during preparation, is in powder by flax fiber grinding
It is merged after the drying of shape slurries with other component materials, the defect for preventing each position performance of hot winder inconsistent, this hair
Bright preparation method is simple and efficient, so that the performance of resilient flexibility complementary type heat shrink films is uniform.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of resilient flexibility complementary type heat shrink films, which is characterized in that comprise the following components in parts by weight: 100 parts of polyethylene,
1~3 part of antioxidant, 2~4 parts of light stabilizer, 0.5~1 part of terephthaldehyde's dioctyl ester, 1~2 part of magnesium stearate, flax fiber 5
~10 parts, 4~8 parts of bamboo fibre, 2~4 parts of cotton fiber, 5~10 parts of spandex fibre；The weight ratio of the bamboo fibre and cotton fiber
For 2:1；The flax fiber and spandex fibre weight ratio is 1:1.
2. resilient flexibility complementary type heat shrink films according to claim 1, which is characterized in that the group including following parts by weight
Point: 100 parts of polyethylene, 2 parts of antioxidant, 3 parts of light stabilizer, 0.7 part of terephthaldehyde's dioctyl ester, 1.5 parts of magnesium stearate, flax
7 parts of fiber, 6 parts of bamboo fibre, 3 parts of cotton fiber.
3. resilient flexibility complementary type heat shrink films according to claim 1, which is characterized in that the antioxidant is fourth
One or more of base hydroxyanisole, dibutyl hydroxy toluene, tert-butyl hydroquinone.
4. resilient flexibility complementary type heat shrink films according to claim 1, which is characterized in that the light stabilizer is light
Stabilizer 944.
5. a kind of preparation method of resilient flexibility complementary type heat shrink films, which is characterized in that steps are as follows:
S1, it flax fiber and spandex fibre is fed together in grinder is fully ground, the flax for obtaining powder state is fine
Peacekeeping spandex fibre will be added water in the flax fiber and spandex fibre of powder state shape, dry after being sufficiently stirred, obtain first
Modified fibre；
S2, it will be fully ground in bamboo fibre feeding grinder, the bamboo fibre of powder state obtained, by the bamboo fibre of powder state shape
Middle addition water, is sufficiently stirred, and bamboo fibre slurries are obtained；Cotton fiber is sent into beater and is beaten, free state is obtained
Cotton fiber slurries；The cotton fiber slurries of bamboo fibre slurries and free state are fed together in blender and are sufficiently stirred, are obtained
To pre- modified fibre slurries；Pre- modified fibre slurries and flax fiber slurries are fed together after being sufficiently stirred in blender
Filtering drying obtains the second modified fibre；
S3, by polyethylene, antioxidant, light stabilizer, terephthaldehyde's dioctyl ester, magnesium stearate and the first modified fibre and
Two modified fibres are thoroughly mixed, are melted, extruding pelletization, blowfilm shaping, stretching, obtain resilient flexibility complementary type heat receipts
Contracting film.
6. the preparation method of resilient flexibility complementary type heat shrink films according to claim 5, which is characterized in that the step
Suddenly
The mixing time of the flax fiber and spandex fibre of powder state shape in water is 15~20min in S1.
7. the preparation method of resilient flexibility complementary type heat shrink films according to claim 5, which is characterized in that the step
Suddenly
The beating degree of beater is 30~40 ° of SR in S2；Pre- modified fibre slurries and the control of flax fiber slurries drying temperature exist
60~80 DEG C.
8. the preparation method of resilient flexibility complementary type heat shrink films according to claim 5, which is characterized in that the step
It is 35~40min that the time is stirred in rapid S3；It is stretched as biaxial tension, temperature is 105~115 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811274101.2A CN109370016A (en) | 2018-10-29 | 2018-10-29 | A kind of resilient flexibility complementary type heat shrink films and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811274101.2A CN109370016A (en) | 2018-10-29 | 2018-10-29 | A kind of resilient flexibility complementary type heat shrink films and preparation method thereof |
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| Publication Number | Publication Date |
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| CN109370016A true CN109370016A (en) | 2019-02-22 |
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ID=65390271
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|---|---|---|---|
| CN201811274101.2A Withdrawn CN109370016A (en) | 2018-10-29 | 2018-10-29 | A kind of resilient flexibility complementary type heat shrink films and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112391001A (en) * | 2020-12-01 | 2021-02-23 | 昆山金盟塑料薄膜有限公司 | Production formula and production process of high-strength stretch winding film |
-
2018
- 2018-10-29 CN CN201811274101.2A patent/CN109370016A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112391001A (en) * | 2020-12-01 | 2021-02-23 | 昆山金盟塑料薄膜有限公司 | Production formula and production process of high-strength stretch winding film |
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Application publication date: 20190222 |