CN107573579A - A kind of stretch wrap film material with high-intensity high-tenacity and preparation method thereof - Google Patents
A kind of stretch wrap film material with high-intensity high-tenacity and preparation method thereof Download PDFInfo
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- CN107573579A CN107573579A CN201710887654.4A CN201710887654A CN107573579A CN 107573579 A CN107573579 A CN 107573579A CN 201710887654 A CN201710887654 A CN 201710887654A CN 107573579 A CN107573579 A CN 107573579A
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Abstract
The invention provides a kind of stretch wrap film material with high-intensity high-tenacity and preparation method thereof.It is made up of following steps：（1）By Cellulose nanocrystal, nano-cellulose, nano-TiO2, polyethylene glycol and silicone oil mixing, add high-speed mixer in be sufficiently mixed uniformly；（2）Remaining ingredient is added, continues to be well mixed, twin-screw mixer is added and is granulated extruding pelletization in unit, extrusion temperature is 180 210 DEG C, and rotating speed is 20 40r/min；（3）Through blow moulding machine blow molding, blow temperatures are 180 210 DEG C, and rotating speed is 500 550r/min, winds and produces.It is an object of the invention to provide a kind of stretch wrap film material with high-intensity high-tenacity, has very high mechanical strength, tensile strength is high, while also has extraordinary toughness.
Description
Technical field
The present invention relates to plastic material field, and in particular to a kind of stretch wrap film material with high-intensity high-tenacity and
Its preparation method.
Background technology
Stretching stretch wrap film is a kind of surface with relatively strong viscosity and with stronger extensibility and good elastic packaging
Film, stretch wrap film have degree of drawing intensity it is high, from stickiness is good, transparency is high, dependable performance of keeping a public place clean, relative density are light, tough
The features such as property is strong, easy to use.The utilization of stretching stretch wrap film are started from the 1970s, in the industry prosperity such as America and Europe state
Family succeeds after application, Europe and the annual application amount of north America region polyethylene stretch wrap film, has all reached million tons
It is horizontal.China also starts development stretching stretch wrap film in the 80's ends of 20th century, and obtain at the beginning of the 90's of 20th century compared with
To be widely applied, recently as the rapidly growth of domestic packaging market demand, to the demand of stretch wrap film, also day edges up
Temperature, it is desirable to also more and more higher.To comply with development, the stretch wrap film for researching and developing high-intensity high-tenacity is also trend of the times.
The content of the invention
Technical problems to be solved：It is an object of the invention to provide a kind of stretch wrap film material with high-intensity high-tenacity
Material, there is very high mechanical strength, tensile strength is high, while also has extraordinary toughness.
Technical scheme：A kind of stretch wrap film material with high-intensity high-tenacity, is prepared by following component：Second
The dilute copolymer 1 0-20 parts of alkene-acetic acid second, metallocene linear low density PEF 15-25 parts, LLDPE 20-40
Part, Humic Acid Resin 5-10 parts, paraphenylene terephthalamide m-phenylene diamine (MPD) 3-7 parts, sodium alginate 2-5 parts, Cellulose nanocrystal 2-5
Part, modified rosin 1-3 parts, nano-cellulose 1-2 parts, nano-TiO2 0.5-1 parts, ultra-low density polyethylene 2-5 parts, polyethylene glycol
2-5 parts, antioxidant BHT 0.2-0.5 parts, silicone oil 2-4 parts.
Further, a diameter of 30~100 nm of the nano-cellulose.
Further, the content of vinylacetate is 8%-18% in the ethylene-vinyl acetate copolymer.
Further, the LLDPE is using obtained by 1- octene copolymers.
It is further preferred that a kind of described stretch wrap film material with high-intensity high-tenacity, by following component system
It is standby to form：5 parts of the dilute copolymer 1 of ethyl vinyl acetate second, 20 parts of metallocene linear low density PEF, LLDPE 30
Part, 5 parts of part, the paraphenylene terephthalamide m-phenylene diamine (MPD) of Humic Acid Resin 7.5,3.5 parts of sodium alginate, 3.5 parts of Cellulose nanocrystal, change
2 parts of rosin of property, 1.5 parts of nano-cellulose, nano-TiO2 0.7 part, it is 3.5 parts of ultra-low density polyethylene, 3.5 parts of polyethylene glycol, anti-
0.3 part of oxygen agent BHT, 3 parts of silicone oil.
The preparation method of the above-mentioned stretch wrap film material with high-intensity high-tenacity, comprises the following steps：
（1）By Cellulose nanocrystal, nano-cellulose, nano-TiO2, polyethylene glycol and silicone oil mixing, add high-speed mixer
In be sufficiently mixed uniformly；
（2）Remaining ingredient is added, continues to be well mixed, twin-screw mixer is added and is granulated extruding pelletization in unit, extrusion temperature is
180-210 DEG C, rotating speed 20-40r/min；
（3）Through blow moulding machine blow molding, blow temperatures are 180-210 DEG C, rotating speed 500-550r/min, wind and produce.
Beneficial effect：The stretch wrap film material with high-intensity high-tenacity of the present invention with very high mechanical strength,
Tensile strength reaches as high as 84.4MPa, while also has extraordinary toughness, and its elongation reaches as high as 992.2%, and right angle is torn
Resistance to spalling reaches as high as 148.3KN/m, is a kind of stretch wrap film material with high-intensity high-tenacity.
Embodiment
Embodiment 1
A kind of stretch wrap film material with high-intensity high-tenacity, is prepared by following component：The dilute copolymerization of ethyl vinyl acetate second
10 parts of thing, 15 parts of metallocene linear low density PEF, 20 parts of LLDPE, Humic Acid Resin 5 part, are to benzene two
3 parts of formyl m-phenylene diamine (MPD), 2 parts of sodium alginate, 2 parts of Cellulose nanocrystal, 1 part of modified rosin, nano-cellulose 1 part, nanometer
TiO2 0.5 part, 2 parts of ultra-low density polyethylene, 2 parts of polyethylene glycol, 0.2 part of antioxidant BHT, 2 parts of silicone oil.
The preparation method of the above-mentioned stretch wrap film material with high-intensity high-tenacity is：
（1）By Cellulose nanocrystal, nano-cellulose, nano-TiO2, polyethylene glycol and silicone oil mixing, add high-speed mixer
In be sufficiently mixed uniformly；
（2）Remaining ingredient is added, continues to be well mixed, twin-screw mixer is added and is granulated extruding pelletization in unit, extrusion temperature is
180 DEG C, rotating speed 20r/min；
（3）Through blow moulding machine blow molding, blow temperatures are 180 DEG C, rotating speed 500r/min, wind and produce.
Embodiment 2
A kind of stretch wrap film material with high-intensity high-tenacity, is prepared by following component：The dilute copolymerization of ethyl vinyl acetate second
12 parts of thing, 18 parts of metallocene linear low density PEF, 25 parts of LLDPE, Humic Acid Resin 7 part, are to benzene two
4 parts of formyl m-phenylene diamine (MPD), 3 parts of sodium alginate, 3 parts of Cellulose nanocrystal, 2 parts of modified rosin, nano-cellulose 1.4 part, nanometer
TiO2 0.75 part, 3 parts of ultra-low density polyethylene, 3 parts of polyethylene glycol, 0.3 part of antioxidant BHT, 2.5 parts of silicone oil.
The preparation method of the above-mentioned stretch wrap film material with high-intensity high-tenacity is：
（1）By Cellulose nanocrystal, nano-cellulose, nano-TiO2, polyethylene glycol and silicone oil mixing, add high-speed mixer
In be sufficiently mixed uniformly；
（2）Remaining ingredient is added, continues to be well mixed, twin-screw mixer is added and is granulated extruding pelletization in unit, extrusion temperature is
190 DEG C, rotating speed 25r/min；
（3）Through blow moulding machine blow molding, blow temperatures are 190 DEG C, rotating speed 520r/min, wind and produce.
Embodiment 3
A kind of stretch wrap film material with high-intensity high-tenacity, is prepared by following component：The dilute copolymerization of ethyl vinyl acetate second
15 parts of thing, 20 parts of metallocene linear low density PEF, 30 parts of LLDPE, Humic Acid Resin 7.5 part, are to benzene
Two 5 parts of formyl m-phenylene diamine (MPD)s, 3.5 parts of sodium alginate, 3.5 parts of Cellulose nanocrystal, 2 parts of modified rosin, nano-cellulose 1.5
Part, nano-TiO2 0.7 part, 3.5 parts of ultra-low density polyethylene, 3.5 parts of polyethylene glycol, 0.3 part of antioxidant BHT, 3 parts of silicone oil.
The preparation method of the above-mentioned stretch wrap film material with high-intensity high-tenacity is：
（1）By Cellulose nanocrystal, nano-cellulose, nano-TiO2, polyethylene glycol and silicone oil mixing, add high-speed mixer
In be sufficiently mixed uniformly；
（2）Remaining ingredient is added, continues to be well mixed, twin-screw mixer is added and is granulated extruding pelletization in unit, extrusion temperature is
200 DEG C, rotating speed 30r/min；
（3）Through blow moulding machine blow molding, blow temperatures are 200 DEG C, rotating speed 530r/min, wind and produce.
Embodiment 4
A kind of stretch wrap film material with high-intensity high-tenacity, is prepared by following component：The dilute copolymerization of ethyl vinyl acetate second
20 parts of thing, 25 parts of metallocene linear low density PEF, 40 parts of LLDPE, Humic Acid Resin 10 part, are to benzene
Two 7 parts of formyl m-phenylene diamine (MPD)s, 5 parts of sodium alginate, 5 parts of Cellulose nanocrystal, 3 parts of modified rosin, nano-cellulose 2 part, nanometer
TiO2 1 part, 5 parts of ultra-low density polyethylene, 5 parts of polyethylene glycol, 0.5 part of antioxidant BHT, 4 parts of silicone oil.
The preparation method of the above-mentioned stretch wrap film material with high-intensity high-tenacity is：
（1）By Cellulose nanocrystal, nano-cellulose, nano-TiO2, polyethylene glycol and silicone oil mixing, add high-speed mixer
In be sufficiently mixed uniformly；
（2）Remaining ingredient is added, continues to be well mixed, twin-screw mixer is added and is granulated extruding pelletization in unit, extrusion temperature is
210 DEG C, rotating speed 40r/min；
（3）Through blow moulding machine blow molding, blow temperatures are 210 DEG C, rotating speed 550r/min, wind and produce.
Comparative example 1
The present embodiment and the difference of embodiment 1 are not containing Cellulose nanocrystal and nano-cellulose.Specifically：
A kind of stretch wrap film material with high-intensity high-tenacity, is prepared by following component：The dilute copolymerization of ethyl vinyl acetate second
10 parts of thing, 15 parts of metallocene linear low density PEF, 20 parts of LLDPE, Humic Acid Resin 5 part, are to benzene two
3 parts of formyl m-phenylene diamine (MPD), 2 parts of sodium alginate, 1 part of modified rosin, nano-TiO2 0.5 part, 2 parts of ultra-low density polyethylene, poly- second
2 parts of glycol, 0.2 part of antioxidant BHT, 2 parts of silicone oil.
The preparation method of the above-mentioned stretch wrap film material with high-intensity high-tenacity is：
（1）By nano-TiO2, polyethylene glycol and silicone oil mixing, add high-speed mixer in be sufficiently mixed uniformly；
（2）Remaining ingredient is added, continues to be well mixed, twin-screw mixer is added and is granulated extruding pelletization in unit, extrusion temperature is
180 DEG C, rotating speed 20r/min；
（3）Through blow moulding machine blow molding, blow temperatures are 180 DEG C, rotating speed 500r/min, wind and produce.
Comparative example 2
The difference of the present embodiment and embodiment 1 is not containing Humic Acid Resin and paraphenylene terephthalamide's m-phenylene diamine (MPD).Specifically
Saying is：
A kind of stretch wrap film material with high-intensity high-tenacity, is prepared by following component：The dilute copolymerization of ethyl vinyl acetate second
10 parts of thing, 15 parts of metallocene linear low density PEF, 20 parts of LLDPE, 2 parts of sodium alginate, cellulose nanometer
Brilliant 2 parts, 1 part of modified rosin, 1 part of nano-cellulose, nano-TiO2 0.5 part, 2 parts of ultra-low density polyethylene, 2 parts of polyethylene glycol,
0.2 part of antioxidant BHT, 2 parts of silicone oil.
The preparation method of the above-mentioned stretch wrap film material with high-intensity high-tenacity is：
（1）By Cellulose nanocrystal, nano-cellulose, nano-TiO2, polyethylene glycol and silicone oil mixing, add high-speed mixer
In be sufficiently mixed uniformly；
（2）Remaining ingredient is added, continues to be well mixed, twin-screw mixer is added and is granulated extruding pelletization in unit, extrusion temperature is
180 DEG C, rotating speed 20r/min；
（3）Through blow moulding machine blow molding, blow temperatures are 180 DEG C, rotating speed 500r/min, wind and produce.
The present invention of table 1 has the partial properties index of the stretch wrap film material of high-intensity high-tenacity
| Name of product | Tensile strength（MPa） | Elongation（%） | Angle tear strength（KN/m） |
| Embodiment 1 | 83.2 | 990.7 | 147.1 |
| Embodiment 2 | 83.5 | 991.9 | 147.4 |
| Embodiment 3 | 84.4 | 992.2 | 147.8 |
| Embodiment 4 | 84.1 | 991.4 | 148.3 |
| Comparative example 1 | 80.6 | 981.4 | 124.1 |
| Comparative example 2 | 72.9 | 930.3 | 137.2 |
The partial properties index of the stretch wrap film material with high-intensity high-tenacity of the present invention is seen the above table, and we can see
Arrive, this material has very high mechanical strength, and tensile strength reaches as high as 84.4MPa, while the present invention is also with extraordinary
Toughness, its elongation reach as high as 992.2%, and angle tear strength reaches as high as 148.3KN/m, are a kind of high with high intensity
The stretch wrap film material of toughness.
Claims (6)
- A kind of 1. stretch wrap film material with high-intensity high-tenacity, it is characterised in that：It is prepared by following component：Second The dilute copolymer 1 0-20 parts of alkene-acetic acid second, metallocene linear low density PEF 15-25 parts, LLDPE 20-40 Part, Humic Acid Resin 5-10 parts, paraphenylene terephthalamide m-phenylene diamine (MPD) 3-7 parts, sodium alginate 2-5 parts, Cellulose nanocrystal 2-5 Part, modified rosin 1-3 parts, nano-cellulose 1-2 parts, nano-TiO2 0.5-1 parts, ultra-low density polyethylene 2-5 parts, polyethylene glycol 2-5 parts, antioxidant BHT 0.2-0.5 parts, silicone oil 2-4 parts.
- A kind of 2. stretch wrap film material with high-intensity high-tenacity according to claim 1, it is characterised in that：It is described A diameter of 30~100 nm of nano-cellulose.
- A kind of 3. stretch wrap film material with high-intensity high-tenacity according to claim 1, it is characterised in that：It is described The content of vinylacetate is 8%-18% in ethylene-vinyl acetate copolymer.
- A kind of 4. stretch wrap film material with high-intensity high-tenacity according to claim 1, it is characterised in that：It is described LLDPE is using obtained by 1- octene copolymers.
- A kind of 5. stretch wrap film material with high-intensity high-tenacity according to claim 1, it is characterised in that：By with Lower composition is prepared：5 parts of the dilute copolymer 1 of ethyl vinyl acetate second, 20 parts of metallocene linear low density PEF, linea low density 30 parts of polyethylene, 5 parts of part, the paraphenylene terephthalamide m-phenylene diamine (MPD) of Humic Acid Resin 7.5,3.5 parts of sodium alginate, Cellulose nanocrystal 3.5 parts, 2 parts of modified rosin, 1.5 parts of nano-cellulose, nano-TiO2 0.7 part, 3.5 parts of ultra-low density polyethylene, polyethylene glycol 3.5 parts, 0.3 part of antioxidant BHT, 3 parts of silicone oil.
- 6. a kind of preparation method of stretch wrap film material with high-intensity high-tenacity described in any one of claim 1 to 2, It is characterized in that：Comprise the following steps：（1）By Cellulose nanocrystal, nano-cellulose, nano-TiO2, polyethylene glycol and silicone oil mixing, add high-speed mixer in It is sufficiently mixed uniformly；（2）Remaining ingredient is added, continues to be well mixed, twin-screw mixer is added and is granulated extruding pelletization in unit, extrusion temperature is 180-210 DEG C, rotating speed 20-40r/min；（3）Through blow moulding machine blow molding, blow temperatures are 180-210 DEG C, rotating speed 500-550r/min, wind and produce.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108299725A (en) * | 2018-02-11 | 2018-07-20 | 苏州凌科特新材料有限公司 | A kind of high-strength and high-ductility stretch wrap film and preparation method thereof |
| CN109370015A (en) * | 2018-10-29 | 2019-02-22 | 江苏中大包装材料有限公司 | A kind of flexibility heat shrink films and preparation method thereof |
| CN109940957A (en) * | 2019-02-26 | 2019-06-28 | 宁波大名包装材料科技有限公司 | A kind of fiber reinforced polyethylene winding film |
| CN110105630A (en) * | 2019-04-17 | 2019-08-09 | 华南理工大学 | A kind of low thermally conductive hydrophilic gel film and preparation method thereof based on seawater pollution |
| CN112693203A (en) * | 2020-12-28 | 2021-04-23 | 黄山源点新材料科技有限公司 | Winding film and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108299725A (en) * | 2018-02-11 | 2018-07-20 | 苏州凌科特新材料有限公司 | A kind of high-strength and high-ductility stretch wrap film and preparation method thereof |
| CN109370015A (en) * | 2018-10-29 | 2019-02-22 | 江苏中大包装材料有限公司 | A kind of flexibility heat shrink films and preparation method thereof |
| CN109940957A (en) * | 2019-02-26 | 2019-06-28 | 宁波大名包装材料科技有限公司 | A kind of fiber reinforced polyethylene winding film |
| CN109940957B (en) * | 2019-02-26 | 2020-09-29 | 宁波大名包装材料科技有限公司 | Fiber-toughened polyethylene winding film |
| CN110105630A (en) * | 2019-04-17 | 2019-08-09 | 华南理工大学 | A kind of low thermally conductive hydrophilic gel film and preparation method thereof based on seawater pollution |
| CN112693203A (en) * | 2020-12-28 | 2021-04-23 | 黄山源点新材料科技有限公司 | Winding film and preparation method thereof |
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