CN104262986B - A kind of preparation method of the synthetic paper based on modified granular - Google Patents
A kind of preparation method of the synthetic paper based on modified granular Download PDFInfo
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- CN104262986B CN104262986B CN201410591366.0A CN201410591366A CN104262986B CN 104262986 B CN104262986 B CN 104262986B CN 201410591366 A CN201410591366 A CN 201410591366A CN 104262986 B CN104262986 B CN 104262986B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 32
- -1 polypropylene Polymers 0.000 claims abstract description 24
- 239000000835 fiber Substances 0.000 claims abstract description 23
- 239000000843 powder Substances 0.000 claims abstract description 22
- 235000013311 vegetables Nutrition 0.000 claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 239000004743 Polypropylene Substances 0.000 claims abstract description 16
- 229920001155 polypropylene Polymers 0.000 claims abstract description 16
- 239000003112 inhibitor Substances 0.000 claims abstract description 15
- 230000003647 oxidation Effects 0.000 claims abstract description 15
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 15
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims abstract description 9
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004709 Chlorinated polyethylene Substances 0.000 claims abstract description 8
- 239000004698 Polyethylene Substances 0.000 claims abstract description 8
- 229920002472 Starch Polymers 0.000 claims abstract description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000013543 active substance Substances 0.000 claims abstract description 8
- 238000000071 blow moulding Methods 0.000 claims abstract description 8
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims abstract description 8
- 235000013539 calcium stearate Nutrition 0.000 claims abstract description 8
- 239000008116 calcium stearate Substances 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims abstract description 8
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 8
- 239000000194 fatty acid Substances 0.000 claims abstract description 8
- 229930195729 fatty acid Natural products 0.000 claims abstract description 8
- 150000004665 fatty acids Chemical class 0.000 claims abstract description 8
- 239000008188 pellet Substances 0.000 claims abstract description 8
- 238000005453 pelletization Methods 0.000 claims abstract description 8
- 229920000573 polyethylene Polymers 0.000 claims abstract description 8
- 239000008107 starch Substances 0.000 claims abstract description 8
- 235000019698 starch Nutrition 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 239000011701 zinc Substances 0.000 claims abstract description 8
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 8
- 239000000123 paper Substances 0.000 claims description 39
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 16
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 8
- 240000008042 Zea mays Species 0.000 claims description 7
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 7
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical group CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 7
- 239000010902 straw Substances 0.000 claims description 7
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 claims description 6
- 235000009973 maize Nutrition 0.000 claims description 6
- 239000008187 granular material Substances 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000006116 polymerization reaction Methods 0.000 abstract 1
- 238000007639 printing Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 241000219146 Gossypium Species 0.000 description 1
- 244000046109 Sorghum vulgare var. nervosum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 244000098338 Triticum aestivum Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 241000411851 herbal medicine Species 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Paper (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to a kind of preparation method of the synthetic paper based on modified granular, belong to synthetic paper preparing technical field.Comprise the steps: to get fatty acid zinc, heating, then adds powder, stirs, after cooling, obtain modified powder; Again modified powder and polypropylene are just mixed in mixing machine, then add ethylene bis stearamide, chlorinatedpolyethylene, mix after intensification, be cooled to room temperature, obtain precast body; By precast body, polyethylene, polypropylene, vegetable fibre, starch, tensio-active agent, dicumyl peroxide, calcium stearate, Zinic stearas, oxidation inhibitor, mix, obtain mixture; Mixture is sent into extruding pelletization in twin screw extruder, then blow molding is carried out, after cutting to the pellet of gained.Powder granule is undertaken coated by the mode of letex polymerization by the present invention, can improve the physical strength of synthetic paper.
Description
Technical field
The present invention relates to a kind of preparation method of the synthetic paper based on modified granular, belong to synthetic paper preparing technical field.
Background technology
Occur taking polyolefine as the synthetic paper of main raw latter stage in 20th century, because it has possessed two kinds of performances of paper and plastics, to have the advantages such as light specific gravity, rigidity be good, natural paper can be replaced at many special dimensions.Synthetic paper has the development history of three more than ten years abroad, obtains comparatively early develop faster in the developed country such as the U.S., Japan.The raw material sources of natural fiber paper and production process all cause larger change and destruction to environment, along with the reinforcement of global environmental consciousness, new synthetic paper constantly occurs, its range of application also constantly expands, the sales volume of the whole world synthetic paper often average annual speed with 10% is increasing, and synthetic paper replaces the paces of fibrous paper to be accelerated.According to the prediction of Chinese papermaking association, by 2010, the paper and paperboard amount that China consumes every year will reach 7,000 ten thousand tons.The demand of China's paper has 2/3 for wrapping material, and l/3 is used for printing, and replace even if having the printing of small pot with a handle and a spout for boiling water or herbal medicine and package paper to be synthesized paper, its demand is also considerable.
Synthetic paper is developed so far, and main production process has rolling process, casting method, blowing, two-way stretch method.
Synthetic paper is mainly used in printing the reference books such as senior artistic products, map and dictionary.Synthetic paper is the paper utilizing chemical feedstocks to synthesize, general stores material hydro carbons is main raw material, add some additives again and make, it has quality softness, pulling force is strong, water repelling property good, fast light cold-hot, not mouldy, the feature such as have good stability, and chemical resistant corrosion.In the temperature range of-60 ~ 60 DEG C, can be used as various printing.Synthetic paper is not only applicable to printing, and because it is nontoxic, pollution-free, breathe freely so be also a kind of desirable wrapping material.It is clean dustless, and not falling paper powder, is a kind of desirable information industry paper using, is now replacing paper in the office and the computer paper that common paper becomes ultra-clean indoor.
But mostly there is the not high problem of physical strength in the synthetic paper produced at present.
Summary of the invention
The object of the invention is: solve the problem that the physical strength of synthetic paper is not high, a kind of preparation method of the synthetic paper based on modified granular is provided.
Technical scheme:
Based on a preparation method for the synthetic paper of modified granular, comprise the steps:
The preparation of the 1st step, precast body: by weight, gets fatty acid zinc 20 ~ 30 parts, is heated to 150 ~ 170 DEG C, then adds powder 20 ~ 30 parts, stirs, after cooling, obtain modified powder; Again modified powder and polypropylene 50 ~ 60 parts are just mixed in mixing machine, then add ethylene bis stearamide 5 ~ 10 parts, chlorinatedpolyethylene 5 ~ 10 parts, mix after intensification, be cooled to room temperature, obtain precast body;
2nd step, by precast body, polyethylene 30 ~ 40 parts, polypropylene 10 ~ 20 parts, 40 ~ 60 parts, vegetable fibre, starch 4 ~ 7 parts, 2 ~ 3 parts, tensio-active agent, dicumyl peroxide 2 ~ 4 parts, calcium stearate 1 ~ 2 part, Zinic stearas 1 ~ 2 part, 1 ~ 2 part, oxidation inhibitor, mix, obtain mixture;
3rd step, sends into extruding pelletization in twin screw extruder by mixture, then carries out blow molding, after cutting to the pellet of gained.
In the 1st described step, the temperature of the mixing that heats up is 80 ~ 110 DEG C, and the time of the mixing that heats up is 20 ~ 30 minutes.
Described powder is selected from the one in calcium carbonate, magnesium oxide, talcum powder.
Obtained by described vegetable fibre refers to that one or more straws such as corn, wheat, soybean, Chinese sorghum, cotton, rape after crushed.
Described vegetable fibre size is between 1 ~ 2000 micron.
Described oxidation inhibitor is antioxidant 1010.
Mixing temperature in 2nd step is 80 ~ 90 DEG C.
Twin screw extruder extrusion temperature one district temperature 100 ~ 120 DEG C, two district's temperature 110 ~ 130 DEG C, three district's temperature 130 ~ 140 DEG C, four district's temperature 140 ~ 150 DEG C, five district's temperature 130 ~ 140 DEG C, screw speed is 120 ~ 160rpm.
beneficial effect
Powder granule is undertaken coated by the mode that tackiness agent melting is coated by the present invention, can effectively overcome problem compatible between particle and polymer materials, can improve the physical strength of synthetic paper.
Embodiment
embodiment 1
Based on a preparation method for the synthetic paper of modified granular, comprise the steps:
The preparation of the 1st step, precast body: get fatty acid zinc 20Kg, is heated to 150 DEG C, then adds calcium carbonate 20Kg, stirs, and after cooling, obtains modified powder; Again modified powder and polypropylene 50Kg are just mixed in mixing machine, then add ethylene bis stearamide 5Kg, chlorinatedpolyethylene 5Kg, mix after intensification, be cooled to room temperature, obtain precast body;
2nd step, by precast body, polyethylene 30Kg, polypropylene 10Kg, vegetable fibre 40Kg, starch 4Kg, tensio-active agent 2Kg, dicumyl peroxide 2Kg, calcium stearate 1Kg, Zinic stearas 1Kg, oxidation inhibitor 1Kg, mix, mixing temperature is 80 DEG C, obtains mixture; Obtained by described vegetable fibre refers to that maize straw after crushed, vegetable fibre size is between 50 ~ 500 microns; Described oxidation inhibitor is antioxidant 1010;
3rd step, mixture is sent into extruding pelletization in twin screw extruder, again blow molding is carried out to the pellet of gained, after cutting, twin screw extruder extrusion temperature one district temperature 100 DEG C, two district's temperature 110 DEG C, three district's temperature 130 DEG C, four district's temperature 140 DEG C, five district's temperature 130 DEG C, screw speed is 120rpm.
embodiment 2
Based on a preparation method for the synthetic paper of modified granular, comprise the steps:
The preparation of the 1st step, precast body: get fatty acid zinc 30Kg, is heated to 170 DEG C, then adds calcium carbonate 30Kg, stirs, and after cooling, obtains modified powder; Again modified powder and polypropylene 60Kg are just mixed in mixing machine, then add ethylene bis stearamide 10Kg, chlorinatedpolyethylene 10Kg, mix after intensification, be cooled to room temperature, obtain precast body
2nd step, by precast body, polyethylene 40Kg, polypropylene 20Kg, vegetable fibre 60Kg, starch 7Kg, tensio-active agent 3Kg, dicumyl peroxide 4Kg, calcium stearate 2Kg, Zinic stearas 2Kg, oxidation inhibitor 2Kg, mix, mixing temperature is 90 DEG C, obtains mixture; Obtained by described vegetable fibre refers to that maize straw after crushed, vegetable fibre size is between 50 ~ 500 microns; Described oxidation inhibitor is antioxidant 1010;
3rd step, mixture is sent into extruding pelletization in twin screw extruder, again blow molding is carried out to the pellet of gained, after cutting, twin screw extruder extrusion temperature one district temperature 120 DEG C, two district's temperature 130 DEG C, three district's temperature 140 DEG C, four district's temperature 150 DEG C, five district's temperature 140 DEG C, screw speed is 160rpm.
embodiment 3
Based on a preparation method for the synthetic paper of modified granular, comprise the steps:
The preparation of the 1st step, precast body: get fatty acid zinc 25Kg, is heated to 160 DEG C, then adds calcium carbonate 25Kg, stirs, and after cooling, obtains modified powder; Again modified powder and polypropylene 55Kg are just mixed in mixing machine, then add ethylene bis stearamide 7Kg, chlorinatedpolyethylene 8Kg, mix after intensification, be cooled to room temperature, obtain precast body;
2nd step, by precast body, polyethylene 35Kg, polypropylene 15Kg, vegetable fibre 50Kg, starch 6Kg, tensio-active agent 3Kg, dicumyl peroxide 3Kg, calcium stearate 2Kg, Zinic stearas 2Kg, oxidation inhibitor 1Kg, mix, mixing temperature is 85 DEG C, obtains mixture; Obtained by described vegetable fibre refers to that maize straw after crushed, vegetable fibre size is between 50 ~ 500 microns; Described oxidation inhibitor is antioxidant 1010;
3rd step, mixture is sent into extruding pelletization in twin screw extruder, again blow molding is carried out to the pellet of gained, after cutting, twin screw extruder extrusion temperature one district temperature 110 DEG C, two district's temperature 120 DEG C, three district's temperature 135 DEG C, four district's temperature 145 DEG C, five district's temperature 135 DEG C, screw speed is 140rpm.
reference examples 1
Be with the difference of embodiment 3: calcium carbonate powder is placed in the 2nd step and adds.
The preparation of the 1st step, precast body: get fatty acid zinc 25Kg, is heated to 160 DEG C, stirs, after cooling, more just mixed in mixing machine with polypropylene 55Kg, then add ethylene bis stearamide 7Kg, chlorinatedpolyethylene 8Kg, mix after intensification, be cooled to room temperature, obtain precast body;
2nd step, by precast body, polyethylene 35Kg, polypropylene 15Kg, vegetable fibre 50Kg, starch 6Kg, tensio-active agent 3Kg, dicumyl peroxide 3Kg, calcium stearate 2Kg, Zinic stearas 2Kg, oxidation inhibitor 1Kg, calcium carbonate 25Kg, mix, mixing temperature is 85 DEG C, obtains mixture; Obtained by described vegetable fibre refers to that maize straw after crushed, vegetable fibre size is between 50 ~ 500 microns; Described oxidation inhibitor is antioxidant 1010;
3rd step, mixture is sent into extruding pelletization in twin screw extruder, again blow molding is carried out to the pellet of gained, after cutting, twin screw extruder extrusion temperature one district temperature 110 DEG C, two district's temperature 120 DEG C, three district's temperature 135 DEG C, four district's temperature 145 DEG C, five district's temperature 135 DEG C, screw speed is 140rpm.
reference examples 2
Be with the difference of embodiment 3: in the 1st step, do not add ethylene bis stearamide.
The preparation of the 1st step, precast body: get fatty acid zinc 25Kg, is heated to 160 DEG C, then adds calcium carbonate 25Kg, stirs, and after cooling, obtains modified powder; Again modified powder and polypropylene 55Kg are just mixed in mixing machine, then add chlorinatedpolyethylene 8Kg, mix after intensification, be cooled to room temperature, obtain precast body;
2nd step, by precast body, polyethylene 35Kg, polypropylene 15Kg, vegetable fibre 50Kg, starch 6Kg, tensio-active agent 3Kg, dicumyl peroxide 3Kg, calcium stearate 2Kg, Zinic stearas 2Kg, oxidation inhibitor 1Kg, mix, mixing temperature is 85 DEG C, obtains mixture; Obtained by described vegetable fibre refers to that maize straw after crushed, vegetable fibre size is between 50 ~ 500 microns; Described oxidation inhibitor is antioxidant 1010;
3rd step, mixture is sent into extruding pelletization in twin screw extruder, again blow molding is carried out to the pellet of gained, after cutting, twin screw extruder extrusion temperature one district temperature 110 DEG C, two district's temperature 120 DEG C, three district's temperature 135 DEG C, four district's temperature 145 DEG C, five district's temperature 135 DEG C, screw speed is 140rpm.
Carry out performance test to the synthetic paper of embodiment 1 ~ 3 and reference examples gained, result is as shown in table 1.
Table 1 synthetic paper performance test results
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Reference examples 1 | Reference examples 2 |
| Mean thickness mm | 0.32 | 0.31 | 0.31 | 0.32 | 0.32 |
| Whiteness % | 88 | 88 | 89 | 88 | 88 |
| Opaqueness % | 94.6 | 94.0 | 94.8 | 95.5 | 94.1 |
| Glossiness % | 59 | 59 | 58 | 59 | 58 |
| Tension stress Kg/15 mm (transverse direction) | 5 | 5 | 6 | 4 | 5 |
| Tension stress Kg/15 mm (longitudinal direction) | 11 | 11 | 12 | 8 | 11 |
| Rupture strength Kg/cm 2 | 9.8 | 9.9 | 10.2 | 8.8 | 8.6 |
The synthetic paper that the present invention obtains there is good physical strength, can be found out by embodiment and reference examples 1, when by powder without modification time, the decline of the tension stress of paper can be caused; Can being found out by embodiment and reference examples 2, when not adding ethylene bis stearamide, the decline of tension stress can be caused.
Claims (1)
1. based on a preparation method for the synthetic paper of modified granular, it is characterized in that, as follows: the preparation of the 1st step, precast body: get fatty acid zinc 25Kg, be heated to 160 DEG C, then add calcium carbonate 25Kg, stir, after cooling, obtain modified powder; Again modified powder and polypropylene 55Kg are just mixed in mixing machine, then add ethylene bis stearamide 7Kg, chlorinatedpolyethylene 8Kg, mix after intensification, be cooled to room temperature, obtain precast body; 2nd step, by precast body, polyethylene 35Kg, polypropylene 15Kg, vegetable fibre 50Kg, starch 6Kg, tensio-active agent 3Kg, dicumyl peroxide 3Kg, calcium stearate 2Kg, Zinic stearas 2Kg, oxidation inhibitor 1Kg, mix, mixing temperature is 85 DEG C, obtains mixture; Obtained by described vegetable fibre refers to that maize straw after crushed, vegetable fibre size is between 50 ~ 500 microns; Described oxidation inhibitor is antioxidant 1010; 3rd step, mixture is sent into extruding pelletization in twin screw extruder, again blow molding is carried out to the pellet of gained, after cutting, twin screw extruder extrusion temperature one district temperature 110 DEG C, two district's temperature 120 DEG C, three district's temperature 135 DEG C, four district's temperature 145 DEG C, five district's temperature 135 DEG C, screw speed is 140rpm.
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