CN104746381A - Regenerative high-strength corrugating base paper and preparation process thereof - Google Patents

Regenerative high-strength corrugating base paper and preparation process thereof Download PDF

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Publication number
CN104746381A
CN104746381A CN201510113540.5A CN201510113540A CN104746381A CN 104746381 A CN104746381 A CN 104746381A CN 201510113540 A CN201510113540 A CN 201510113540A CN 104746381 A CN104746381 A CN 104746381A
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paper
strength
base paper
water
agent
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CN104746381B (en
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楼旭军
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ZHEJIANG HUACHUAN INDUSTRIAL GROUP Co Ltd
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ZHEJIANG HUACHUAN INDUSTRIAL GROUP Co Ltd
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Abstract

The invention discloses regenerative high-strength corrugating base paper and a preparation process of the regenerative high-strength corrugating base paper. The preparation process comprises the steps of preprocessing, addition of straw pulp, sand removal and pulp grinding, addition of a dry strength agent, addition of a sizing agent, sizing and drying processing. According to the regenerative high-strength corrugating base paper and the preparation process of the regenerative high-strength corrugating base paper, waste corrugating paper is recycled, so that many resources can be saved, and the waste is reduced; moreover, in a production process, the process is simple, and the produced corrugating paper is prominent in all various properties, high in strength, difficult to damage, and suitable for paper-making factories with different scales to produce.

Description

A kind of regeneration high-strength corrugated base paper and preparation technology thereof
Technical field
The present invention relates to a kind of regeneration high-strength corrugated base paper and preparation technology thereof.
Background technology
China is big producing country, annual exchange of commodity total value reaches trillion, and kinds of goods need to pack in sales process, modal packaging material are cartons, not only have carton, in life at ordinary times, produce a large amount of waste paper too, comprise old and useless newspaper, periodical, writing paper etc., therefore, it is pending that annual China has a large amount of waste paper and waste paperboard to have, and these waste paper and the repetition processing and utilization of litter decoration great majority through paper mill produce new value.But, the magazine that domestic waste paper comprises is many, also has a lot of straw pulp, and repeatedly re-used regenerative ratio by some small processing factories, be difficult to the packaging Paper or cardboard that output quality is good, intensity is high, particularly the demand of China to packaging paper and paperboard is higher, and corresponding requirement is also higher, comprising the intensity of paper, toughness, ring crush index and burst index etc., these are all first have papermaking enterprise to need the problem overcome, particularly rely on the enterprise of waste paper regenerated product for some completely, how to overcome these problems and concern survival and development in enterprise.
In the packaging industry of China, corrugated board occupies leading position, the development of corrugated board has had the history of more than 100 year, in manufacturing enterprise of China, the accounting of corrugated board is more than more than eighty per cant, particularly in some coastal flourishing cities, no matter export or the domestic packaging all needed for corrugated board, the feature of corrugated board is just that its compression strength is high, recent years, the judgement of corrugated paper measures from simple developing into water touch with accurate instrument, also just illustrating and the attention degree of corrugated board is constantly being increased, require also more and more higher, but in existing most of corrugated paper manufacturing enterprise, the production of fluting medium also adopts absolutely greatly recycled writing paper technology to carry out, but also relatively create many problems, as 1, how to ensure the strength problem of recycled writing paper, 2, how solving under strength problem, cost being dropped to minimum, ensureing that striving of enterprise produces operation, 3, how to make production technology reach simplification, and do not affect the quality of production, how to solve these underlying issues, be the power that enterprise constantly brings forth new ideas always.
Summary of the invention
The present invention mainly solves the technical problem existing for prior art, thus provides a kind of intensity high, and resource utilization is high, and technique is simple, the regeneration high-strength corrugated base paper that properties is good and preparation technology thereof.
The present invention is a kind of regeneration high-strength corrugated base paper and preparation technology thereof, comprises a kind of regeneration high-strength corrugated base paper and preparation technology thereof, it is characterized in that: comprise the following steps:
A, preliminary treatment: after the waste and old corrugated paper that collection is returned is added water, decompose under high density hydraulic pulper, and add deinking agent, wherein the ratio of waste and old corrugated paper and water is 1:3;
B, add straw pulp: in paper pulp, add a certain amount of straw pulp after pulping completes, wherein, the ratio of paper pulp and straw pulp is 1:1;
C, desanding defibrination: in high concentration desanding device, remove the impurity that mixed waste paper slurry internal ratio is great, then enter into low dense desander inner filtration and fall the tiny grains of sand and impurity, enter into after desanding in grinder and carry out grinding wherein, in high concentration desanding device, the desanding time is 0.5 hour, in low dense desander, the desanding time is 0.6 hour, and after grinding, beating degree is 43 degree;
D, interpolation dry strength agent: cationic starch and aqueous epoxy resins are added water and mixes, the ratio of cationic starch, aqueous epoxy resins and water is 1:1:6, then stir uniformly, slurries are made fully to stir rear retrogradation, and then in solution, add KPS oxidant, and by solution gelatinization half an hour under the high temperature of 90 DEG C, obtain dry strength agent, then dry strength agent is joined in slurries, maintain the temperature between 70 DEG C ~ 80 DEG C and carry out drying;
E, add sizing agent: the third ethene and acrylic acid are added to the water Homogeneous phase mixing, obtain sizing agent;
F, applying glue: then the body paper of non-applying glue is laid on horizontal coating machine, then by coating machine, sizing agent is applied in paper surface;
G, drying and processing: the paper after applying glue is put in press polish dryer and dries, obtain highly intensified corrugated paper.
Further, in step a, the content of the deinking agent added is 5 ~ 8kg ∕ T, and meanwhile, the revolution of high density hydraulic pulper is 2300r ∕ mim.
Further, in stepb, straw pulp passes through grinding and slurries mixed with water by stalk or wheat-straw, and wherein, the ratio of stalk or wheat-straw and water is 1:4.
Further, in steps d, Substance is 120g ∕ ㎡ ~ 135g ∕ ㎡, and degree of sizing is 3.5s, and ring crush intensity index is 5.34N ﹒ m ∕ g, and deflection is 21 ~ 25g ﹒ cm, and ph value is 5 ~ 6.
Further, in step e, the mass percent of the third ethene is 12%, and acrylic acid mass percent is 18%.
The invention has the beneficial effects as follows: this regeneration high-strength corrugated base paper and preparation technology thereof are by waste and old corrugated paper recycling, a lot of resource can be saved, cut the waste, and in production process, technique is simple, the corrugated paper properties produced is given prominence to, intensity height not cracky, and the paper mill being applicable to different scales produces.
Detailed description of the invention
Below the preferred embodiments of the present invention are described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
A kind of regeneration high-strength corrugated base paper and preparation technology thereof, comprise a, preliminary treatment: after the waste and old corrugated paper that collection is returned is added water, decompose under high density hydraulic pulper, and add deinking agent, wherein the ratio of waste and old corrugated paper and water is 1:3; B, add straw pulp: in paper pulp, add a certain amount of straw pulp after pulping completes, wherein, the ratio of paper pulp and straw pulp is 1:1; C, desanding defibrination: in high concentration desanding device, remove the impurity that mixed waste paper slurry internal ratio is great, then enter into low dense desander inner filtration and fall the tiny grains of sand and impurity, enter into after desanding in grinder and carry out grinding wherein, in high concentration desanding device, the desanding time is 0.5 hour, in low dense desander, the desanding time is 0.6 hour, and after grinding, beating degree is 43 degree; D, interpolation dry strength agent: cationic starch and aqueous epoxy resins are added water and mixes, the ratio of cationic starch, aqueous epoxy resins and water is 1:1:6, then stir uniformly, slurries are made fully to stir rear retrogradation, and then in solution, add KPS oxidant, and by solution gelatinization half an hour under the high temperature of 90 DEG C, obtain dry strength agent, then dry strength agent is joined in slurries, maintain the temperature between 70 DEG C ~ 80 DEG C and carry out drying; E, add sizing agent: the third ethene and acrylic acid are added to the water Homogeneous phase mixing, obtain sizing agent; F, applying glue: then the body paper of non-applying glue is laid on horizontal coating machine, then by coating machine, sizing agent is applied in paper surface; G, drying and processing: the paper after applying glue is put in press polish dryer and dries, obtain highly intensified corrugated paper.
Described in step a, the content of the deinking agent added is 5 ~ 8kg ∕ T, and meanwhile, the revolution of high density hydraulic pulper is 2300r ∕ mim.In stepb, straw pulp passes through grinding and slurries mixed with water by stalk or wheat-straw, and wherein, the ratio of stalk or wheat-straw and water is 1:4.In steps d, Substance is 120g ∕ ㎡ ~ 135g ∕ ㎡, and degree of sizing is 3.5s, and ring crush intensity index is 5.34N ﹒ m ∕ g, and deflection is 21 ~ 25g ﹒ cm, and ph value is 5 ~ 6.In step e, the mass percent of the third ethene is 12%, and acrylic acid mass percent is 18%.
The invention has the beneficial effects as follows: this regeneration high-strength corrugated base paper and preparation technology thereof are by waste and old corrugated paper recycling, a lot of resource can be saved, cut the waste, and in production process, technique is simple, the corrugated paper properties produced is given prominence to, intensity height not cracky, and the paper mill being applicable to different scales produces.
The above, be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any change of expecting without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.

Claims (5)

1. regenerate high-strength corrugated base paper and a preparation technology thereof, it is characterized in that: comprise the following steps:
A, preliminary treatment: after the waste and old corrugated paper that collection is returned is added water, decompose under high density hydraulic pulper, and add deinking agent, wherein the ratio of waste and old corrugated paper and water is 1:3;
B, add straw pulp: in paper pulp, add a certain amount of straw pulp after pulping completes, wherein, the ratio of paper pulp and straw pulp is 1:1;
C, desanding defibrination: in high concentration desanding device, remove the impurity that mixed waste paper slurry internal ratio is great, then enter into low dense desander inner filtration and fall the tiny grains of sand and impurity, enter into after desanding in grinder and carry out grinding wherein, in high concentration desanding device, the desanding time is 0.5 hour, in low dense desander, the desanding time is 0.6 hour, and after grinding, beating degree is 43 degree;
D, interpolation dry strength agent: cationic starch and aqueous epoxy resins are added water and mixes, the ratio of cationic starch, aqueous epoxy resins and water is 1:1:6, then stir uniformly, slurries are made fully to stir rear retrogradation, and then in solution, add KPS oxidant, and by solution gelatinization half an hour under the high temperature of 90 DEG C, obtain dry strength agent, then dry strength agent is joined in slurries, maintain the temperature between 70 DEG C ~ 80 DEG C and carry out drying;
E, add sizing agent: the third ethene and acrylic acid are added to the water Homogeneous phase mixing, obtain sizing agent;
F, applying glue: then the body paper of non-applying glue is laid on horizontal coating machine, then by coating machine, sizing agent is applied in paper surface;
G, drying and processing: the paper after applying glue is put in press polish dryer and dries, obtain highly intensified corrugated paper.
2. one regeneration high-strength corrugated base paper according to claim 1 and preparation technology thereof, it is characterized in that: in step a, the content of the deinking agent added is 5 ~ 8kg ∕ T, and meanwhile, the revolution of high density hydraulic pulper is 2300r ∕ mim.
3. one regeneration high-strength corrugated base paper according to claim 1 and preparation technology thereof, is characterized in that: in stepb, and straw pulp passes through grinding and slurries mixed with water by stalk or wheat-straw, and wherein, the ratio of stalk or wheat-straw and water is 1:4.
4. one regeneration high-strength corrugated base paper according to claim 1 and preparation technology thereof, it is characterized in that: in steps d, Substance is 120g ∕ ㎡ ~ 135g ∕ ㎡, degree of sizing is 3.5s, ring crush intensity index is 5.34N ﹒ m ∕ g, and deflection is 21 ~ 25g ﹒ cm, and ph value is 5 ~ 6.
5. one regeneration high-strength corrugated base paper according to claim 1 and preparation technology thereof, it is characterized in that: in step e, the mass percent of the third ethene is 12%, and acrylic acid mass percent is 18%.
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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105386362A (en) * 2015-11-05 2016-03-09 义乌市义南纸业有限公司 Anti-corrosion and insect-resistant corrugated paper and preparation method thereof
CN105442385A (en) * 2015-11-27 2016-03-30 安徽天诺包装材料有限公司 Production method of corrugated paperboards
CN105648815A (en) * 2016-03-28 2016-06-08 新疆国力源环保科技有限公司 Method for making corrugated base paper by rice straw unbleach pulp
CN105780607A (en) * 2016-04-28 2016-07-20 句容市鼎盛纸箱包装有限公司 Preparation method of germproof and dampproof reclaimed board
CN105780608A (en) * 2016-04-28 2016-07-20 句容市鼎盛纸箱包装有限公司 Antibacterial moistureproof corrugated paperboard
CN105821690A (en) * 2016-03-28 2016-08-03 新疆国力源环保科技有限公司 Method for preparing unbleached pulp from rice straw
CN105862495A (en) * 2016-04-28 2016-08-17 句容市鼎盛纸箱包装有限公司 Preparation method of flame-retardant regenerated paperboard
CN105926351A (en) * 2016-04-28 2016-09-07 句容市鼎盛纸箱包装有限公司 Preparation method of paperboard antibacterial moistureproof agent
CN105926345A (en) * 2016-04-28 2016-09-07 句容市鼎盛纸箱包装有限公司 Preparation method of recycled cardboard
CN105951509A (en) * 2016-04-28 2016-09-21 句容市鼎盛纸箱包装有限公司 Antibacterial desiccant for paperboards
CN106351056A (en) * 2016-08-31 2017-01-25 浙江兴舟纸业有限公司 High-strength corrugated-paper production process
CN106638082A (en) * 2016-12-21 2017-05-10 湖北宜昌翔陵纸制品有限公司 Preparation technology and device for renewable high-strength corrugating base paper
CN108035190A (en) * 2017-11-12 2018-05-15 福建省晋江优兰发纸业有限公司 A kind of high humility waste paper manufactures reel copy paper method
CN108797220A (en) * 2018-06-01 2018-11-13 苏州睿烁环境科技有限公司 A kind of high-strength corrugated base paper and preparation method thereof
CN109403125A (en) * 2018-09-04 2019-03-01 江苏星光新材料科技有限公司 A kind of Mechanical Method manufacturing process of highly intensified corrugated paper
CN111907181A (en) * 2020-08-13 2020-11-10 东莞顺裕纸业有限公司 High-strength impact-resistant composite corrugated paper and preparation method thereof
CN112298847A (en) * 2020-10-27 2021-02-02 广东天元实业集团股份有限公司 Express package recycling method
CN113622225A (en) * 2021-07-28 2021-11-09 江苏洋河集团包装材料有限公司 Production process of anti-corrosion green environment-friendly corrugated carton for packaging white spirit

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CN203498705U (en) * 2013-08-28 2014-03-26 徐州天元纸业有限公司 Novel case board paper producing device
WO2014153073A1 (en) * 2013-03-14 2014-09-25 Smart Planet Technologies, Inc. Composite structures for packaging articles and related methods
CN104404816A (en) * 2014-11-18 2015-03-11 柳江县联华纸制品厂 Preparation method for moisture-proof corrugated paper

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CN101255663A (en) * 2008-01-29 2008-09-03 陕西科技大学 Method for manufacturing high ring-pressure strength corrugated base paper
WO2014153073A1 (en) * 2013-03-14 2014-09-25 Smart Planet Technologies, Inc. Composite structures for packaging articles and related methods
CN203498705U (en) * 2013-08-28 2014-03-26 徐州天元纸业有限公司 Novel case board paper producing device
CN104404816A (en) * 2014-11-18 2015-03-11 柳江县联华纸制品厂 Preparation method for moisture-proof corrugated paper

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105386362A (en) * 2015-11-05 2016-03-09 义乌市义南纸业有限公司 Anti-corrosion and insect-resistant corrugated paper and preparation method thereof
CN105442385A (en) * 2015-11-27 2016-03-30 安徽天诺包装材料有限公司 Production method of corrugated paperboards
CN105648815A (en) * 2016-03-28 2016-06-08 新疆国力源环保科技有限公司 Method for making corrugated base paper by rice straw unbleach pulp
CN105821690A (en) * 2016-03-28 2016-08-03 新疆国力源环保科技有限公司 Method for preparing unbleached pulp from rice straw
CN105780607A (en) * 2016-04-28 2016-07-20 句容市鼎盛纸箱包装有限公司 Preparation method of germproof and dampproof reclaimed board
CN105780608A (en) * 2016-04-28 2016-07-20 句容市鼎盛纸箱包装有限公司 Antibacterial moistureproof corrugated paperboard
CN105862495A (en) * 2016-04-28 2016-08-17 句容市鼎盛纸箱包装有限公司 Preparation method of flame-retardant regenerated paperboard
CN105926351A (en) * 2016-04-28 2016-09-07 句容市鼎盛纸箱包装有限公司 Preparation method of paperboard antibacterial moistureproof agent
CN105926345A (en) * 2016-04-28 2016-09-07 句容市鼎盛纸箱包装有限公司 Preparation method of recycled cardboard
CN105951509A (en) * 2016-04-28 2016-09-21 句容市鼎盛纸箱包装有限公司 Antibacterial desiccant for paperboards
CN106351056A (en) * 2016-08-31 2017-01-25 浙江兴舟纸业有限公司 High-strength corrugated-paper production process
CN106638082A (en) * 2016-12-21 2017-05-10 湖北宜昌翔陵纸制品有限公司 Preparation technology and device for renewable high-strength corrugating base paper
CN106638082B (en) * 2016-12-21 2018-02-02 湖北宜昌翔陵纸制品有限公司 A kind of preparation technology and equipment for regenerating high-strength corrugated base paper
CN108035190A (en) * 2017-11-12 2018-05-15 福建省晋江优兰发纸业有限公司 A kind of high humility waste paper manufactures reel copy paper method
CN108797220A (en) * 2018-06-01 2018-11-13 苏州睿烁环境科技有限公司 A kind of high-strength corrugated base paper and preparation method thereof
CN109403125A (en) * 2018-09-04 2019-03-01 江苏星光新材料科技有限公司 A kind of Mechanical Method manufacturing process of highly intensified corrugated paper
CN111907181A (en) * 2020-08-13 2020-11-10 东莞顺裕纸业有限公司 High-strength impact-resistant composite corrugated paper and preparation method thereof
CN112298847A (en) * 2020-10-27 2021-02-02 广东天元实业集团股份有限公司 Express package recycling method
CN112298847B (en) * 2020-10-27 2022-04-08 广东天元实业集团股份有限公司 Express package recycling method
CN113622225A (en) * 2021-07-28 2021-11-09 江苏洋河集团包装材料有限公司 Production process of anti-corrosion green environment-friendly corrugated carton for packaging white spirit

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