CN101265683B - Plastic-emulated printing paper and its manufacturing technique - Google Patents
Plastic-emulated printing paper and its manufacturing technique Download PDFInfo
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- CN101265683B CN101265683B CN2008100175176A CN200810017517A CN101265683B CN 101265683 B CN101265683 B CN 101265683B CN 2008100175176 A CN2008100175176 A CN 2008100175176A CN 200810017517 A CN200810017517 A CN 200810017517A CN 101265683 B CN101265683 B CN 101265683B
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Abstract
An analogical printing paper belongs to the technology field of papermaking, and is made through the following steps: adding 1.0-1.5 weight parts of barrier used for improving the smoothness and the permeability resistance of the paper, 2.0-2.5 weight parts of water resisting agent used for improving the water resistance of the paper and a proper amount of auxiliary agent to 100 weight parts of the paper pulp; papermaking; wetting and calendaring. By adopting the material of bleached plant fiber, the inventive method includes pulping, sizing, adding the chemical auxiliary agent and papermaking on the multi-cylinder line mesh paper machine to obtain the base paper, then wetting and supercalendering. The printing paper has the advantages that the paper has the appearance the feature of a polypropylene film-brightness and transparence, which, as packaging material instead of Bopp, is capable of fully degrading and protecting the ecological environment; in addition to the refined paper quality and high oil absorbency, the analogical printing paper has fine printing quality and high water resistance, in case of raining and drenching, the paper is capable of water resisting, keeping the paper surface smooth and being free from deformation, breakage and decoloring. The paper is applicable to the packaging material and plays a role in the moisture-proof preservation of the food and is capable of extending 30% of the preservation period.
Description
Technical field
The invention belongs to pulp technology for making paper, especially for the paper manufacturing of packing purposes.
Background technology
Particularly in the instant noodles packings, generally adopt polypropylene film (BOPP) to do packaging bag at food at present.Its external appearance characteristic light, transparent, printing effect is good, favored by each producer.But along with the petroleum product price constantly raises up, the polypropylene price is more and more higher, the feasible commodity price raising of much doing packaging bag with polypropylene film.Moreover, the polypropylene film non-degradable can produce white pollution, has destroyed ecological environment, and people are seeking substitute always.
Paper is using as packaging material always.Although it has degradable characteristics, but there is following problem in paper as packaging material: lack polypropylene film light, transparent external appearance characteristic, can't make very thinly, flatness is poor, reduced the aesthetics of printing, decolouring does not have water resistance easily, drenches as the rainy day to keep paper smooth, yielding, cracky, gas barrier properties are poor, can't intercept penetrating of air, be used for the food packaging material, effective period of food quality can reduce.
Summary of the invention
The object of the invention provides a kind of plastic-emulated printing paper and production technology thereof, makes it have polypropylene-like thin film physics characteristic with the paper modification, to replace polypropylene film as packaging material.
Realize the plastic-emulated printing paper on invention order ground, its be in 100 weight portion paper pulp adding 1.0-1.5 part be used for improving permeation-resisting agent that paper smoothness improves paper gas barrier humidity resistance, water repellent agent that 2.0-2.5 part is used for improving the paper water proofing property, appropriate amount of addition agent and after slurry is manufactured paper with pulp into paper moistening press polish make.
Described permeation-resisting agent is cationic paraffin emulsion, and water repellent agent is the cationic poly epichlorohydrin resin, and auxiliary agent comprises dispersion rosin size 2.0-3.0 part, aluminum sulfate 3.0-5.0 part, paper strengthening agent-modified cationic starch 0.8-1.0 part.
The production technology of above-mentioned plastic-emulated printing paper, it is to implement according to following steps:
(1) slurrying: 100 parts of bleached pulps add entry and make primary pulp by waterpower pulverizer, refining system and keep somewhere in joining stock tank;
(2) join slurry: add 2.0-3.0 part dispersion rosin size, 3.0-5.0 part aluminum sulfate, 1.0-1.5 part CATION paraffin emulsion, 0.8-1.0 part modified cationic starch paper strengthening agent, paper pulp enters paper machine stock tank, go into head box through stuff box, sand trap are laggard, paper pulp adds 2.0-2.5 part cationic poly epichlorohydrin resin water repellent agent when head box;
(3) manufacture paper with pulp: paper pulp is made paper on the paper machine;
(4) moistening press polish: spray moisture on paper, moistening moisture content to 16～18% back is at press polish pressure 15～18kgf/cm
2Following supercalendering.
Plastic-emulated printing paper of the present invention belongs to novel paper kind, adopts the bleaching plant fiber material, through manufacturing paper with pulp into body paper behind making beating, applying glue, the interpolation chemical assistant on fourdrinier wire multi-cylinder paper machine, forms through moistening and supercalendering again.Concrete characteristics comprise: (1) plastic-emulated printing paper has Bopp polypropylene film external appearance characteristic-light, transparent, does packaging material with it and substitutes Bopp, can all realize degraded, preserves the ecological environment.(2) plastic-emulated printing paper outside the good printing quality, is different from general printing paper except that characteristic-papery exquisiteness, absorbency with general printing paper are strong again; Have high water resistance, drench effectively waterproof and keep that paper is smooth, indeformable, not damaged, nondiscoloration as the rainy day.(3) plastic-emulated printing paper is different from general onionskin, has high gas barrier properties, can effectively intercept penetrating of air, is used for packaging material, and food is played the damp-proofing and fresh-keeping effect, can prolong the food fresh keeping phase 30%.
Particularly the present invention is by classifying to numerous papermaking chemical products; screening; optimize the environment-friendly novel water repellent agent and the permeation-resisting agent that can satisfy the paper performance requirement; be used with papermaking chemical product paper strengthening agent-modified cationic starch of using always simultaneously; adopt advanced reasonably adding technique; multi-efficiency effect through multiple papermaking chemical product; make paper surface form netted waterproof barrier film; string is played effective protective effect; thereby paper obtains high waterproof; gas barrier properties can realize the waterproof and dampproof requirement of guaranteeing the quality of commodity circulation links food as packaged food after finishing the printing of paper overlay film.
Plastic-emulated printing paper is mainly used in packaging for foodstuff as packaging material, replaces the BOPP polypropylene film, realizes environmental protection joint consumption, creates economic benefit, meets national industrial policies, belongs to national support project, has development prospect and promotional value widely.
Description of drawings
Figure is a process chart of the present invention
The specific embodiment
Accompanying drawing has provided the concrete implementing process flow chart of the present invention:
1) proportioning raw materials: 100% bleached pulp adds water
2) making beating: 4 on ￠ 450mm double plate mill
5M
34 of trough-style pulp beaters
Beating consistency 4.6～5.0%
86～88 ° of SR weight in wet bases of pulping beating degree, 6.0～7.0g
3) join slurry: concentration 2.20～2.30%
Dispersion agent 1.5% aluminum sulfate 5.0%
4) paper machine: 80～82 meters/minute of the speed of a motor vehicle
Quantitative 22.0 ± 1.0g/m
2
Online concentration 0.40～0.45%
2 sections 8mm shake frequencies of 1 section 4mm of amplitude 200～220 times/minute
Squeeze pressure 1 is pressed 18～20kgf/cm
2222～24kgf/cm
2
Body paper moisture content 5～8%
5, moistening press polish: moistening moisture content 16～18%
Press polish pressure 15～18kgf/cm
2
6, become paper: moisture content 5～8% thickness 18～20UM tightness 1.18～1.22g/cm
3
7, chemicals: permeation-resisting agent-cation paraffin emulsion 0.25%, water repellent agent-Hydrin resin 0.25%, paper strengthening agent-modified cationic starch 1.0%, the blue 2g ‰ of alkalescence product.Percentage all calculates by solid content.
The daiamid epoxy chloropropane of selecting for use among the present invention is a kind of water-soluble, non-formaldehydes, cationic heat reactive resin novel anti aqua, have no free formaldehyde, consumption few, become that the paper brightness reversion is few, nonhazardous, pH value be applied widely, advantages such as humidification is effective by force, meet the instructions for use of plastic-emulated printing paper, both met food safety requirements, again environmentally safe.Its mechanism of action is to form chemical bond and molecular resin self-crosslinking formation nethike embrane between resin and fiber, and the page fiber interweaving is shielded, and stands to generate the water-fast fiber web of cross linkage after the heat cure, plays waterproof action.Select cationic paraffin wax emulsions to cooperate the high dispersive gum rosin to use simultaneously, strengthen that paper surface is hydrophobic, oleophobic performance and moisture resistance, folding resistance, smoothness, printability, have easy to use, stable performance, spreadability are good, even at the paper surface filming, increased hydrophobic, the oleophobic effects that become the paper surface, improved paper gas barrier properties and humidity resistance, thereby prolonged the food fresh keeping phase.Also changed simultaneously the optical property of paper, transparency is improved, and paper reverberation ability obviously strengthens, and it is not only transparent but also bright that papery becomes, and external appearance characteristic is more near the BOPP polypropylene film.
Comparing result such as following table:
| Project | Water absorbent surface (g/m 2) | Air permeability (m/pa.s) | Saturating oil content (g/m 2) | Smoothness (S) |
| Do not add paraffin wax emulsions and water repellent agent | 25 | 0.0289 | 46 | 1863 |
| Add 0.25% paraffin wax emulsions and 0.25% water repellent agent | 16 | 0.0136 | 9 | 3158 |
The present invention adds cation paraffin emulsion and CATION Hydrin resin water repellent agent in slurry, by the application in process of production of multiple-addition agent system, can give distinctive physicochemical characteristics of paper and optical characteristics, reaches instructions for use.
Claims (2)
1. plastic-emulated printing paper, it is characterized in that in 100 weight portion paper pulp, adding 1.0-1.5 part is used for improving permeation-resisting agent that paper smoothness improves the paper gas barrier properties, water repellent agent that 2.0-2.5 part is used for improving the paper water proofing property, appropriate amount of addition agent and after slurry is manufactured paper with pulp into paper moistening press polish make; Described permeation-resisting agent is cationic paraffin wax emulsions, and water repellent agent is the cationic poly epichlorohydrin resin, and auxiliary agent comprises dispersion rosin size 2.0-3.0 part, aluminum sulfate 3.0-5.0 part, paper strengthening agent modified cationic starch 0.8-1.0 part.
2. the production technology of plastic-emulated printing paper is characterized in that implementing according to following steps:
(1) slurrying: 100 parts of bleached pulps add entry and make primary pulp by waterpower pulverizer, refining system and keep somewhere in joining stock tank;
(2) join slurry: add 2.0-3.0 part dispersion rosin size, 3.0-5.0 part aluminum sulfate, 1.0-1.5 part cationic paraffin wax emulsions, 0.8-1.0 part modified cationic starch paper strengthening agent, paper pulp enters paper machine stock tank, go into head box through stuff box, sand trap are laggard, paper pulp adds 2.0-2.5 part cationic poly epichlorohydrin resin water repellent agent when head box;
(3) manufacture paper with pulp: paper pulp is made paper on the paper machine;
(4) moistening press polish: spray moisture on paper, moistening moisture to 16～18% back is at press polish pressure 15～18kgf/cm
2Following supercalendering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100175176A CN101265683B (en) | 2008-02-03 | 2008-02-03 | Plastic-emulated printing paper and its manufacturing technique |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100175176A CN101265683B (en) | 2008-02-03 | 2008-02-03 | Plastic-emulated printing paper and its manufacturing technique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101265683A CN101265683A (en) | 2008-09-17 |
| CN101265683B true CN101265683B (en) | 2010-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100175176A Expired - Fee Related CN101265683B (en) | 2008-02-03 | 2008-02-03 | Plastic-emulated printing paper and its manufacturing technique |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101914877B (en) * | 2010-07-23 | 2012-07-18 | 福建省建宁县联丰造纸有限公司 | Steaming base paper production method |
| CN103031778A (en) * | 2012-12-10 | 2013-04-10 | 桂林奇峰纸业有限公司 | Method for producing translucent paper by utilizing bagasse pulp |
| CN106400602B (en) * | 2016-10-12 | 2019-03-26 | 福建希源纸业有限公司 | A kind of cake tray paper and preparation method thereof |
| CN106812010B (en) * | 2016-12-30 | 2019-03-29 | 山东华泰纸业股份有限公司 | A kind of thermal sublimation digit transfer printing paper body paper and its production technology |
| CN109594422B (en) * | 2017-09-30 | 2022-06-10 | 王慧丽 | Multifunctional paper for food packaging and processing and manufacturing method thereof |
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