CN103254489B - High-strength synthetic paper and preparation method thereof - Google Patents
High-strength synthetic paper and preparation method thereof Download PDFInfo
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- CN103254489B CN103254489B CN201310196083.1A CN201310196083A CN103254489B CN 103254489 B CN103254489 B CN 103254489B CN 201310196083 A CN201310196083 A CN 201310196083A CN 103254489 B CN103254489 B CN 103254489B
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Abstract
The invention provides synthetic paper, and particularly relates to synthetic paper having high tensile strength, belonging to the technical field of paper making. The synthetic paper comprises the following components in parts by weight: 20-30 parts of polyethylene, 20-30 parts of polypropylene, 40-60 parts of plant fiber, 5-8 parts of aluminum silicate fiber, 10-20 parts of cellulose, 5-10 parts of ethylene-acrylic acid copolymer, 3-6 parts of agar, 3-6 parts of alum, 10-15 parts of inorganic filler, 5-7 parts of calcium stearate, 2-3 parts of zinc stearate, 2-3 parts of surfactant and 2-3 parts of antioxidant. The tension stress of the synthetic paper made by the invention can reach 5 Kg/15mm (in the transverse direction) and 12 Kg/15mm (in the longitudinal direction), and the breaking strength can reach 10 Kg/cm<2> or above.
Description
Technical field
The invention provides a kind of synthetic paper, particularly relate to a kind of synthetic paper with high tensile, belong to pulp technology for making paper.
Background technology
Synthetic paper be with the resins such as polyolefine and inorganic filler for main raw material, processed by expressing technique, there is the multi-functional material of plastics and paper feature simultaneously.Synthetic paper is a kind of Novel plastic material product, is also a kind of environmentfriendly products, has light specific gravity, intensity is large, durable in use, the features such as economic environmental protection.Synthetic paper has had the development history of more than 30 year abroad, especially uses comparatively extensive in developed countries such as the U.S., Japan, Canada.Along with the reinforcement of global environmental consciousness, general fibre paper causes a large amount of pollutions, accelerates the development of synthetic paper, and the continuous appearance of new synthetic paper kind, expands the range of application of synthetic paper.
The production application of China's synthetic paper is still in research, on probation, popularization stage.Mainly passing through inorganic mineral powder after coupling agent treatment of general employing, after adding paper fiber and other auxiliary agent and resin again, carry out machine-shaping, but the intensity of general synthetic paper is not high, easily occur that destruction is torn,, there is situation about destroying in the performance of papery when can have influence on printing.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide a kind of synthetic paper of high strength.The technical scheme adopted is:
A synthetic paper for high strength, includes following component by weight: polyethylene 20 ~ 30 parts, polypropylene 20 ~ 30 parts, 40 ~ 60 parts, vegetable fibre, aluminum silicate fiber 5 ~ 8 parts, Mierocrystalline cellulose 10 ~ 20 parts, ethylene-acrylic acid copolymer 5 ~ 10 parts, 3 ~ 6 parts, agar, 3 ~ 6 parts, alum, mineral filler 10 ~ 15 parts, calcium stearate 5 ~ 7 parts, Zinic stearas 2 ~ 3 parts, 2 ~ 3 parts, tensio-active agent, antioxidant 2 ~ 3 parts.
Described polyethylene is one or several in high density polyethylene(HDPE), Low Density Polyethylene, linear low density polyethylene.
Described vegetable fibre is one or more in Mierocrystalline cellulose, hemicellulose, xylogen, pectin substance, gumminess.
Described Mierocrystalline cellulose is one or more the arbitrary proportion mixtures in methylcellulose gum, hydroxypropylcellulose, carboxymethyl cellulose.
Described mineral filler is the mixture of one or more in calcium carbonate, titanium oxide, silicon oxide, magnesium oxide, talcum powder.Preferably adopt calcium carbonate, more preferably water-ground limestone.
The grain diameter of described mineral filler preferably controls at 100 ~ 500 orders.
Described tensio-active agent is preferably anion surfactant, such as: Sodium dodecylbenzene sulfonate.
Described antioxidant can adopt one or more in butylated hydroxy anisole, butylated hydroxytoluene, Tert. Butyl Hydroquinone.
This synthetic paper can be prepared by following method:
S1: by polyethylene, polypropylene, vegetable fibre, mineral filler at 80 ~ 90 DEG C dry 3 ~ 5 hours, for subsequent use;
S2: polyethylene, polypropylene, vegetable fibre, aluminum silicate fiber, Mierocrystalline cellulose, ethylene-acrylic acid copolymer, agar, alum, mineral filler, calcium stearate, Zinic stearas, tensio-active agent, antioxidant are mixed 10 ~ 20 minutes at 80 ~ 90 DEG C;
S3: the mixture of gained in step S2 is sent into extruding pelletization in twin screw extruder;
S4: blow molding is carried out, after cutting to the pellet of gained in step S3.
In step S3, twin screw extruder extrusion temperature is 140 ~ 160 DEG C, and screw speed is 40 ~ 60rpm.
Technique effect
The tension stress of the synthetic paper that the present invention obtains can reach 5Kg/15mm (transverse direction), 12Kg/15mm (longitudinal direction), and rupture strength can reach 10Kg/cm
2above.
Embodiment
The weight proportion of table 1 embodiment 1 ~ embodiment 3
In above-described embodiment, polyethylene is high density polyethylene(HDPE), and vegetable fibre is methylcellulose gum, and mineral filler is water-ground limestone, and grain diameter is 100 ~ 500 orders, and tensio-active agent is Sodium dodecylbenzene sulfonate, and antioxidant is butylated hydroxy anisole.
Preparation method is:
S1: by polyethylene, polypropylene, vegetable fibre, mineral filler at 85 DEG C dry 4 hours, for subsequent use;
S2: polyethylene, polypropylene, vegetable fibre, aluminum silicate fiber, Mierocrystalline cellulose, ethylene-acrylic acid copolymer, agar, alum, mineral filler, calcium stearate, Zinic stearas, tensio-active agent, antioxidant are mixed 15 minutes at 85 DEG C;
S3: the mixture of gained in step S2 is sent into extruding pelletization in twin screw extruder;
S4: blow molding is carried out, after cutting to the pellet of gained in step S3.
In step S3, twin screw extruder extrusion temperature is 150 DEG C, and screw speed is 50rpm.
Performance test
Carry out performance test to the synthetic paper of embodiment 1 ~ 3 gained, result is as shown in table 2.
Table 2 embodiment 1 ~ 3 gained synthetic paper performance test results
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Mean thickness mm | 0.28 | 0.28 | 0.29 |
| Whiteness % | 91 | 92 | 91 |
| Opaqueness % | 95.4 | 95.3 | 96.1 |
| Glossiness % | 64 | 63 | 64 |
| Tension stress Kg/15mm (transverse direction) | 5 | 6 | 5 |
| Tension stress Kg/15mm (longitudinal direction) | 13 | 12 | 12 |
| Rupture strength Kg/cm 2 | 10.8 | 11.2 | 10.1 |
The tension stress of the synthetic paper that the present invention obtains can reach 5Kg/15mm (transverse direction), 12Kg/15mm (longitudinal direction), and rupture strength can reach 10Kg/cm
2above.
Claims (1)
1. a synthetic paper for high strength, includes following component by weight: polyethylene 20 ~ 30 parts, polypropylene 20 ~ 30 parts, 40 ~ 60 parts, vegetable fibre, aluminum silicate fiber 5 ~ 8 parts, Mierocrystalline cellulose 10 ~ 20 parts, ethylene-acrylic acid copolymer 5 ~ 10 parts, 3 ~ 6 parts, agar, 3 ~ 6 parts, alum, mineral filler 10 ~ 15 parts, calcium stearate 5 ~ 7 parts, Zinic stearas 2 ~ 3 parts, 2 ~ 3 parts, tensio-active agent, antioxidant 2 ~ 3 parts; Described polyethylene is one or several in high density polyethylene(HDPE), Low Density Polyethylene, linear low density polyethylene; Described vegetable fibre is one or more in Mierocrystalline cellulose, hemicellulose, xylogen, pectin substance, gumminess; Described Mierocrystalline cellulose is one or more the arbitrary proportion mixtures in methylcellulose gum, hydroxypropylcellulose, carboxymethyl cellulose; Described mineral filler is the mixture of one or more in calcium carbonate, titanium oxide, silicon oxide, magnesium oxide, talcum powder; Described calcium carbonate is water-ground limestone; The grain diameter of described mineral filler is 100 ~ 500 orders; Described antioxidant is one or more in butylated hydroxy anisole, butylated hydroxytoluene, Tert. Butyl Hydroquinone; The synthetic paper preparation method of described high strength, comprises the steps: S1: by polyethylene, polypropylene, vegetable fibre, mineral filler at 80 ~ 90 DEG C dry 3 ~ 5 hours, for subsequent use; S2: polyethylene, polypropylene, vegetable fibre, aluminum silicate fiber, Mierocrystalline cellulose, ethylene-acrylic acid copolymer, agar, alum, mineral filler, calcium stearate, Zinic stearas, tensio-active agent, antioxidant are mixed 10 ~ 20 minutes at 80 ~ 90 DEG C; S3: the mixture of gained in step S2 is sent into extruding pelletization in twin screw extruder; S4: blow molding is carried out, after cutting to the pellet of gained in step S3; In described step S3, twin screw extruder extrusion temperature is 140 ~ 160 DEG C, and screw speed is 40 ~ 60 rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310196083.1A CN103254489B (en) | 2013-05-23 | 2013-05-23 | High-strength synthetic paper and preparation method thereof |
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| CN201310196083.1A CN103254489B (en) | 2013-05-23 | 2013-05-23 | High-strength synthetic paper and preparation method thereof |
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| CN103254489A CN103254489A (en) | 2013-08-21 |
| CN103254489B true CN103254489B (en) | 2015-03-18 |
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| CN201310196083.1A Expired - Fee Related CN103254489B (en) | 2013-05-23 | 2013-05-23 | High-strength synthetic paper and preparation method thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104262986B (en) * | 2014-10-29 | 2016-04-20 | 廖富春 | A kind of preparation method of the synthetic paper based on modified granular |
| CN104403340B (en) * | 2014-11-14 | 2017-04-05 | 无锡中洁能源技术有限公司 | A kind of preparation method of the synthetic paper based on emulsion polymerization |
| CN104761799A (en) * | 2015-04-15 | 2015-07-08 | 李孟平 | Preparation method of synthetic paper based on plant modified fibers |
| CN118061637A (en) * | 2024-04-18 | 2024-05-24 | 烟台富利新材料科技有限公司 | Polyethylene-polypropylene blended biaxially oriented synthetic paper and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060270762A1 (en) * | 2005-03-17 | 2006-11-30 | Luzenac America, Inc. | Cellulosic inorganic-filled plastic composite |
| CN101698749B (en) * | 2009-11-03 | 2011-10-26 | 北京林业大学 | Wood-plastic composite material and prepration method thereof |
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