CN102558614A - Method for preparing starch-based biological latex - Google Patents
Method for preparing starch-based biological latex Download PDFInfo
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- CN102558614A CN102558614A CN2012100353023A CN201210035302A CN102558614A CN 102558614 A CN102558614 A CN 102558614A CN 2012100353023 A CN2012100353023 A CN 2012100353023A CN 201210035302 A CN201210035302 A CN 201210035302A CN 102558614 A CN102558614 A CN 102558614A
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Abstract
The invention discloses a method for preparing a starch-based biological latex for papermaking, and belongs to the technical field of light industry and chemical industry. The method comprises the following steps of: performing acidolysis on starch or a starch derivative which is taken as a main raw material, oxidizing, gelatinizing, reducing the temperature, regulating the pH value, and sequentially adding aids such as a plasticizer, a diluent, a defoaming agent and the like to obtain the environment-friendly starch-based biological latex which has excellent performance and is low in cost finally. The invention has the advantages that: the starch-based biological latex is high in solid content, flowability and bonding strength, and low in viscosity, has a good film-forming property and good anti-aging performance, and is well intersoluble with petroleum-based latexes; and a styrene-butadiene latex for papermaking can be partially or entirely replaced by the starch-based biological latex, so that the defects of relatively high price, limited resource, relatively heavy pollution and the like of the styrene-butadiene latex are overcome.
Description
Technical field
The present invention relates to a kind of starch-based bio latex and preparation method thereof, belong to the light industry chemical technology field.
Technical background
Along with the development of paper industry, increasing to the demand of important paper making additive latex both at home and abroad.At present, paper grade (stock) latex normally passes through chemical process with the petroleum cracking product by principal monomer and is synthesized, like styrene-butadiene latex, propyl benzene latex etc.Yet along with the worsening shortages of petroleum resources, the quick rise of petroleum-type monomer price, the continuous enhancing of people's environmental consciousness, it is imperative to adopt low, renewable, the free of contamination raw material of a kind of cost to substitute petroleum-type monomer production paper grade (stock) latex.
Starch is the profuse organic cpds of occurring in nature content, have wide material sources, cheap, can degrade fully, advantage such as renewable and pollution-free.It has long history through the use as paper making additive after the denaturing treatment, and at present, papermaking enterprise selects the consumption of increase modified starch to reduce the ratio of petroleum base latex.Yet; Development along with paper-making technique; Common modified starch is because cohesive strength is lower, water-retentivity is relatively poor; Particularly high density is stuck with paste defectives such as poor, the easy gel of liquid low-temperature fluidity, and can not meet the demands, and after the starch consumption surpasses certain limit, can produce printing performance problems such as paper is more crisp, blotting.Up to the present, the petroleum base latex substitute that still rarely has comparative maturity on the market.In order to replace petroleum base latex such as styrene-butadiene latex better, be necessary starch is carried out complex denaturation, polynary sex change or the processing such as composite of strengthening function, thereby be more suitable in the application of operations such as modern paper applying glue, coating.
Summary of the invention
The present invention develops a kind of starch-based bio latex, thereby overcomes that the existing price of petroleum base latex is more expensive, defective such as resource-constrained, pollution are bigger.
Technical program of the present invention lies in starch or starch derivative is main raw material; After acidolysis, oxidation, gelatinization processing; The cooling adjust pH; And add auxiliary agents such as softening agent, thinner, skimmer in sequence, finally obtain a kind of excellent property, environment-friendly type starch radical biogum with low cost breast.
Starch among the present invention mainly is to adopt a kind of in W-Gum, waxy corn starch, tapioca(flour), yam starch and the wheat starch or their combination.
Starch derivative among the present invention is a kind of in maltodextrin, acidified starch, Sumstar 190, esterification starch, etherification starch, graft copolymerization starch, the pre-gelatinized starch or their combination.
The used acid of acidolysis sex change among the present invention is a kind of in hydrochloric acid, sulfuric acid, vinylformic acid, toxilic acid, oxalic acid, Hydrocerol A, the fumaric acid or their combination.
The used oxygenant of oxidative deformation among the present invention is a kind of in hydrogen peroxide, Youxiaolin, ammonium persulphate, Potassium Persulphate, the Sodium Persulfate or their combination.
The softening agent that is adopted among the present invention is meant triglyceride level, phthalate, polyoxyethylene glycol, Z 150PH, citric acid three ester etc.; Thinner is meant urea etc.; Skimmer is meant tributyl phosphate, octanol etc.
The basic recipe that the present invention prepares starch-based bio latex is in mass:
The preparation technology of starch-based bio latex of the present invention is:
Starch or starch derivative and acid solution are made into the milk of starch in starch butt 45～55%, and acidolysis 1-3h under 40～65 ℃ of temperature adopts stage temperature control strategy; Controlled temperature continues acidolysis 1～3h at 70～100 ℃, adds oxygenant oxidation 0.25-1h at a certain temperature; PH is regulated in cooling, adds softening agent, thinner and skimmer successively, the continued that stirs cooling; 30 ℃ of dischargings, the starch-based bio latex that packing gets product.
Adopt that the starch-based bio latex of present method preparation has that solid content height, viscosity are low, good film-forming property, good fluidity, cohesive strength is high, ageing resistance is good, with advantages such as petroleum base latex mutual solubility is good, can partly or entirely substitute the paper grade (stock) styrene-butadiene latex.
Implement for example
Below in conjunction with embodiment the present invention is described further, it should be understood that these embodiment only are used for the purpose of illustration, never limit protection scope of the present invention.
Embodiment 1
Prescription (in mass):
Technological process:
Waxy corn starch and hydrochloric acid are made into the milk of starch of 50% (w/w is in the starch butt), at 65 ℃ of following acidolysis 2h, rising temperature of reaction to 75 ℃; Insulation reaction 1.5h, the temperature of reaction to 90 that raises once more ℃, insulation reaction 0.5h adds Potassium Persulphate; Oxidizing reaction 15min is cooled to 50 ℃, is neutralized to neutrality; Add auxiliary agents such as triglyceride level, tributyl phosphate and urea, stir for some time continued cooling, 30 ℃ of dischargings.The starch-based bio latex solid content that this technology obtains is 51%, records viscosity (being coated with-4 glasss) 56 seconds behind the room temperature cooling 12h, and is any than dissolving each other with styrene-butadiene latex.
Embodiment 2
Prescription (in mass):
Technological process:
W-Gum and hydrochloric acid are made into the milk of starch of 50% (w/w is in the starch butt), at 60 ℃ of following acidolysis 1h, rising temperature of reaction to 80 ℃; Insulation reaction 1h, the temperature of reaction to 95 that raises once more ℃, insulation reaction 45min adds ammonium persulphate; Oxidizing reaction 30min is cooled to 50 ℃, is neutralized to neutrality; Add auxiliary agents such as Witcizer 300, tributyl phosphate and urea, stir for some time continued cooling, 30 ℃ of dischargings.The starch-based bio latex that this technology obtains, solid content are 55%, record viscosity (being coated with-4 glasss) 34 seconds behind the room temperature cooling 12h, and is any than dissolving each other with styrene-butadiene latex.
Embodiment 3
Prescription (in mass):
Technological process:
Tapioca(flour) and hydrochloric acid are made into the milk of starch of 50% (w/w is in the starch butt), at 60 ℃ of following acidolysis 1h, rising temperature of reaction to 70 ℃; Insulation reaction 1.0h, the reacting liquid temperature to 85 ℃ of raising once more, insulation reaction 1h, reacting liquid temperature to 95 ℃ at last raises; Insulation reaction 45min adds Potassium Persulphate, and oxidizing reaction 15min is cooled to 50 ℃; Be neutralized to neutrality, add auxiliary agents such as triglyceride level, tributyl phosphate and urea, stir for some time continued cooling, 30 ℃ of dischargings.The starch-based bio latex that this technology obtains, solid content are 52%, record viscosity (being coated with-4 glasss) 49 seconds behind the room temperature cooling 12h, and is any than dissolving each other with styrene-butadiene latex.
Embodiment 4
Prescription (in mass):
Technological process:
Corn cationic starch and hydrochloric acid are made into the milk of starch of 50% (w/w is in the starch butt), at 60 ℃ of following acidolysis 1h, rising temperature of reaction to 75 ℃; Insulation reaction 1h, the temperature of reaction to 85 that raises once more ℃, insulation reaction 1h; Raise at last reacting liquid temperature to 95 ℃, insulation reaction 45min adds ammonium persulphate; Oxidizing reaction 30min is cooled to 50 ℃, is neutralized to neutrality; Add auxiliary agents such as Witcizer 300, tributyl phosphate and urea, stir for some time continued cooling, 30 ℃ of dischargings.The starch-based bio latex that this technology obtains, solid content are 51%, record viscosity (being coated with-4 glasss) 41 seconds behind the empty temperature cooling 12h, and is any than dissolving each other with styrene-butadiene latex.
Claims (7)
1. the preparation method of a starch-based bio latex; It is characterized in that with starch or starch derivative be main raw material, after handling through acidolysis, oxidation, gelatinization, the cooling adjust pH; And add auxiliary agents such as softening agent, thinner, skimmer in order, obtain said starch-based bio latex; The preparation prescription of said starch-based bio latex is in mass:
2. method according to claim 1 is characterized in that said starch is a kind of in W-Gum, waxy corn starch, tapioca(flour), yam starch and the wheat starch or their combination.
3. method according to claim 1 is characterized in that said starch derivative is a kind of in maltodextrin, acidified starch, Sumstar 190, esterification starch, etherification starch, graft copolymerization starch, the pre-gelatinized starch or their combination.
4. method according to claim 1 is characterized in that selected acid is a kind of in hydrochloric acid, sulfuric acid, vinylformic acid, toxilic acid, oxalic acid, Hydrocerol A, the fumaric acid or their combination.
5. method according to claim 1 is characterized in that said oxygenant is a kind of in hydrogen peroxide, Youxiaolin, ammonium persulphate, Potassium Persulphate, the Sodium Persulfate or their combination.
6. method according to claim 1 is characterized in that said softening agent is triglyceride level, phthalate, polyoxyethylene glycol, Z 150PH or citric acid three ester; Thinner is a urea; Skimmer is tributyl phosphate or octanol.
7. method according to claim 1 is characterized in that the concrete steps of said method are:
Starch or starch derivative and acid solution are made into the milk of starch in starch butt 45～55%, and acidolysis 1-3h under 40～65 ℃ of temperature adopts stage temperature control strategy; Controlled temperature continues acidolysis 1～3h at 70～100 ℃, adds oxygenant oxidation 0.25-1h at a certain temperature; PH is regulated in cooling, adds softening agent, thinner and skimmer successively, the continued that stirs cooling; 30 ℃ of dischargings, the starch-based bio latex that packing gets product.
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| CN201210035302.3A CN102558614B (en) | 2012-02-16 | 2012-02-16 | A kind of preparation method of starch-based biological latex |
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| CN201210035302.3A CN102558614B (en) | 2012-02-16 | 2012-02-16 | A kind of preparation method of starch-based biological latex |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103805093A (en) * | 2014-02-21 | 2014-05-21 | 武汉优邦新材料化工有限公司 | Plant modified environment-friendly building adhesive and preparation method thereof |
| CN107118728A (en) * | 2017-06-22 | 2017-09-01 | 合肥月煌新型装饰材料有限公司 | It is a kind of for adhesive of runway and preparation method thereof |
| CN107216399A (en) * | 2017-08-07 | 2017-09-29 | 东北林业大学 | The method that heat chemistry modified starch, preparation method and application heat chemistry modified starch prepare adhesive |
| CN107541163A (en) * | 2016-06-28 | 2018-01-05 | 江南大学 | A kind of starch wood adhesive and preparation method |
| CN107629724A (en) * | 2017-09-26 | 2018-01-26 | 望江县红和木业灯饰有限公司 | The glutinous rice glue preparation method that a kind of paper lantern is grown with service life |
| CN107936869A (en) * | 2017-12-04 | 2018-04-20 | 徐州得铸生物科技有限公司 | A kind of preparation method of composite type modified starch adhesive |
| CN107974216A (en) * | 2017-12-07 | 2018-05-01 | 明光市永德包装有限公司 | A kind of water-fast adhesive of corrugated case |
| CN108191985A (en) * | 2017-12-19 | 2018-06-22 | 东莞东美食品有限公司 | A kind of corn dextrin and preparation method thereof |
| CN111040666A (en) * | 2019-12-31 | 2020-04-21 | 贵州佳德赛新材料有限公司 | Preparation method of plasticized gelatinized starch-based adhesive |
| CN112962350A (en) * | 2021-02-07 | 2021-06-15 | 广东冠豪高新技术股份有限公司 | Water transfer printing paper and preparation method thereof |
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| CN1687279A (en) * | 2005-05-18 | 2005-10-26 | 江南大学 | Method for preparing starch glue for lumber |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103805093A (en) * | 2014-02-21 | 2014-05-21 | 武汉优邦新材料化工有限公司 | Plant modified environment-friendly building adhesive and preparation method thereof |
| CN107541163A (en) * | 2016-06-28 | 2018-01-05 | 江南大学 | A kind of starch wood adhesive and preparation method |
| CN107118728A (en) * | 2017-06-22 | 2017-09-01 | 合肥月煌新型装饰材料有限公司 | It is a kind of for adhesive of runway and preparation method thereof |
| CN107216399A (en) * | 2017-08-07 | 2017-09-29 | 东北林业大学 | The method that heat chemistry modified starch, preparation method and application heat chemistry modified starch prepare adhesive |
| CN107629724A (en) * | 2017-09-26 | 2018-01-26 | 望江县红和木业灯饰有限公司 | The glutinous rice glue preparation method that a kind of paper lantern is grown with service life |
| CN107936869A (en) * | 2017-12-04 | 2018-04-20 | 徐州得铸生物科技有限公司 | A kind of preparation method of composite type modified starch adhesive |
| CN107974216A (en) * | 2017-12-07 | 2018-05-01 | 明光市永德包装有限公司 | A kind of water-fast adhesive of corrugated case |
| CN108191985A (en) * | 2017-12-19 | 2018-06-22 | 东莞东美食品有限公司 | A kind of corn dextrin and preparation method thereof |
| CN111040666A (en) * | 2019-12-31 | 2020-04-21 | 贵州佳德赛新材料有限公司 | Preparation method of plasticized gelatinized starch-based adhesive |
| CN112962350A (en) * | 2021-02-07 | 2021-06-15 | 广东冠豪高新技术股份有限公司 | Water transfer printing paper and preparation method thereof |
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| CN102558614B (en) | 2015-08-19 |
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Effective date of registration: 20170802 Address after: 277300 Shandong Province, Zaozhuang City Yicheng District Wang Zhuang Xiang Wang Zhuang along 206 National Road West Patentee after: Zaozhuang Dongfang Modified Starch Co., Ltd. Address before: 1800 No. 214122 Jiangsu city of Wuxi Province Li Lake Avenue Patentee before: Jiangnan University |