CN101314647B - Preparation and uses of puffing glutinous rice starch - Google Patents
Preparation and uses of puffing glutinous rice starch Download PDFInfo
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- CN101314647B CN101314647B CN2008101407077A CN200810140707A CN101314647B CN 101314647 B CN101314647 B CN 101314647B CN 2008101407077 A CN2008101407077 A CN 2008101407077A CN 200810140707 A CN200810140707 A CN 200810140707A CN 101314647 B CN101314647 B CN 101314647B
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- glutinous rice
- starch
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- puffing
- rice starch
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Abstract
Puffed glutinous rice starch is prepared from broken glutinous rice as offcuts of a rice milling plant by puffing the broken glutinous rice in a puffing machine by heating, compression and mechanical movement, pulverizing and sieving. The puffed glutinous rice starch has the advantages of loose and sponge-like structure, high dissolvability in water, good initial bonding strength and large bonding force. The puffed glutinous can be used for preparing paper box bonding agent, wallpaper bonding agent, dry-powder interior wall coating material, ceramic bonding agent, etc.
Description
Technical field
The invention belongs to fine chemistry industry, be specifically related to a kind of preparation method and application thereof of Starch Adhesive.
Background technology
Glutinous rice claims glutinous rice again, and viscosity is big, is the main raw material of making cake, pyramid-shaped dumpling and Lantern Festival, also is mainly used in wine brewing.Along with the development of domestic food processing industry and Brewing industry, the improving constantly of living standards of the people, resident red-letter day, the demand to glutinous rice increased just year by year.Broken glutinous rice in the processing of rice mill rice is also increasing year by year.In general, cracking rice accounts for the 5%-25% of paddy, and direct marketing is about half of common glutinous rice price, and glutinous rice is broken more, and its price is just low more.At present, broken glutinous rice mainly be eat, wine brewing and animal-feed.The present invention is a raw material with the tankage of rice mill, turn waste into wealth, it is expanded to utilize cheap broken glutinous rice to carry out in bulking machine, makes puffing glutinous rice starch, uses puffing glutinous rice starch and can prepare adhesive for paper box, binding agent for wall-paper, dry powder interior wall coating and ceramic tile tackiness agent etc.
Expanded corn starch has been applied to adhesive for paper box and binding agent for wall-paper etc.Expanded corn starch be convenient to storage and transportation, instant effective, bonding strength is big, easy to use.But expanded corn starch need be peelled off the skin of corn when making, and adhesive effect just can be better.Corn peeling is cumbersome, time-consuming, lose more, so the cost of expanded corn starch is higher.Use broken glutinous rice, the preparation puffing glutinous rice starch, price is lower, prepares products such as various tackiness agents, and is nonpoisonous and tasteless, soluble in water, and initial bonding strength is big, and the bonding strength height is easy to use.
Summary of the invention
The viscosity of glutinous rice is bigger, is that almost 100% is amylopectin because amylose starch is few in the glutinous rice starch.Amylose starch is not the straight chain of extended configuration, and because the effect of intramolecular hydrogen bond is curled into spirrillum.This closelypacked coil type structure of amylose starch helps forming intermolecular hydrogen bonding, is unfavorable for forming hydrogen bond with water molecules, so amylose starch is not soluble in cold water.Amylopectin has the structure of hyperbranchedization, is made up of many short chains, because the hyperbranched structure of amylopectin, easy and water molecules forms hydrogen bond, so amylopectin is soluble in cold water, but adhesiveproperties is relatively poor.Promptly no matter amylose starch or amylopectin all do not have swelling, swelling, inviscid in cold water, and the bonding effect of itself is all bad, all can not directly use as tackiness agent, essentially could use after passing through gelatinization.The pasted starch initial bonding strength is good, and bonding strength is big, can directly use as tackiness agent.
Gelatinization can make starch give water-soluble and cementability, and gelatinization is at present mainly adopted the heating gelatinization or added the alkali gelatinization.
The heating gelatinization be starch at a certain temperature, the process of swelling, infiltration in water.Starch after the gelatinization has certain fluidity, viscosity and bonding effect.Temperature is low, and fully gelatinization does not have flowability, and processing property is poor during use; The temperature height, the easy gel of starch paste is difficult for preserving.Gelatinization point generally is controlled at 70-85 ℃.
Add the alkali gelatinization, alkali can with the hydroxyl effect on the glucose ring in the starch molecule, make the starch granules swollen, hydration and dissolving also have certain fluidity and viscosity.Add the alkali gelatinization, not easy to operate, it is not thorough that alkali has lacked gelatinization, and starch does not have flowability; It is many to add alkali, and the flowability of starch is too big, and adhesive effect is bad.And abutting edge yellowing (being the accumulation of salt in the surface soil), mottling can be seen in the adherend surface.
What the present invention taked is another kind of gelatinizing method: expanded gelatinization.
According to expanded principle, broken glutinous rice is packed in the bulking machine, carry out heating and pressurizing and mechanical effect, make glutinous rice be in high-temperature high-pressure state.Under this state, all glutinous rice are organized and have all been put aside lot of energy, become soft, and moisture content is superheat state.At this moment, rapidly the sealing cover of bulking machine is opened, in this moment, because glutinous rice is reduced to the normal temperature and pressure state suddenly, huge energy discharges, and is the water vapor evaporation of superheat state, inflatable about 2,000 times of its volume, thus produced the swelling pressure.The huge swelling pressure make the glutinous rice tissue suffer powerful explosion extension effect, form countless trickle spongy structures, and promptly glutinous rice is expanded.
Glutinous rice shows as volume and increases several times to tens times through after expanded on macroscopic view, porous, spongy, quality loose.Variation has taken place in the molecular structure that shows glutinous rice starch internal structure and chemical ingredients on microcosmic, starch interchain hydrogen bond rupture, and chain is moved.Starch small grain disintegration, degraded, α-change.In puffing process, along with the degraded of starch, a part of side chain of amylopectin is cut, and the fracture of α-1.6 glycosidic bond has promptly taken place, and the ratio of short amylose starch is increased.The expanded degraded that not only causes amylopectin, and can also cause the fracture of α in the amylose starch-1.4 glycosidic bond, produce small-molecule substance, the dextrinizing of starch promptly takes place.These all make original hydroxyl in spiral coil expose in the outside, can form hydrogen bond with water molecules, make original material not soluble in water also become soluble in water, and the glutinous rice starch short texture after promptly expanded is spongy, soluble in water.Swelling in water, viscosity increases, and initial bonding strength strengthens, and bonding strength obviously improves, and this just makes expanded glutinous rice starch directly to use as tackiness agent.
Expanded gelatinization is than the heating gelatinization and add the alkali gelatinization, easily-controlled operation, and starch pasting more even, thorough, water-soluble better, greatly mobile, bonding strength obviously improves.
In order to make the glutinous rice starch bonding strength after expanded bigger, before expanded, need handle broken glutinous rice with borax and alum solution.Raw materials used mass percent is:
Glutinous rice 80-90%
Borax 1-10%
Alum 0.5-5%
Water 2-15%
More than each component sum equal 100%.
Take by weighing borax, add entry, stirring is dissolved it fully.Take by weighing alum, add entry, stirring and dissolving.Broken glutinous rice is removed impurity, spray respectively with borax solution and alum solution, mix is even, and it is expanded to put into bulking machine, pulverizes at any time after expanded, sieves, and promptly obtains puffing glutinous rice starch.
The used glutinous rice of the present invention is the broken glutinous rice of tankage of rice mill, also can be complete glutinous rice, or the broken glutinous rice in other any sources.
The used bulking machine of the present invention is a snuff type bulking machine, or the extrusion pressing type bulking machine.
Embodiment
Embodiment one
The preparation of puffing glutinous rice starch
Prescription
The material name mass percent
Broken glutinous rice 90%
Borax 2%
Alum 1%
Water 7%
Take by weighing the 2Kg borax, add the 5Kg boiling water, stirring is dissolved it fully.Take by weighing 1Kg alum, add 2Kg warm water, stirring is dissolved it fully.Broken glutinous rice is removed impurity, spray respectively with borax solution and alum solution, mix is even, puts into snuff type bulking machine, controlled temperature is at 170-180 ℃, and is expanded during pressure 0.6-0.7MPa, pulverizes at any time after expanded, sieve, collect 200 order fine powders, promptly obtain puffing glutinous rice starch.
Embodiment two
Adhesive for paper box
Prescription
The material name mass percent
Puffing glutinous rice starch 84%
Polyvinyl alcohol (24-99 type) 5%
Wilkinite 10%
Sodium pentachlorophenate 1%
Above-mentioned substance is mixed, seal standby.Get above-mentioned compound 220Kg during use, add 780Kg water, stir, can use.This tackiness agent is instant effective, and rate of drying is fast, and bonding strength is big, is easy to store and transportation, and is easy to use.
Embodiment three
Binding agent for wall-paper
Prescription
The material name mass percent
Puffing glutinous rice starch 97.8%
Natvosol 2%
Biocide mildewcide (2,4,5,6-tetrachloro-1,3 benzene dicarbonitrile) 0.2%
Above-mentioned substance is mixed, seal standby.Get above-mentioned binding agent for wall-paper 4Kg during use, add 6Kg water, stir, can use.This tackiness agent is instant, and bonding strength is big, does not go mouldy, and does not damage by worms, and is easy to use.Free from extraneous odour, safety and environmental protection, result of use is good especially in the bedroom.
Embodiment four
Dry powder interior wall coating
Prescription
The material name mass percent
Puffing glutinous rice starch 28%
Polyvinyl alcohol (24-99 type) 6%
Light calcium carbonate 25.8%
Talcum powder 10%
Ash calcium powder 8%
Zinc sulfide white 10%
Wilkinite 10%
Ultramarine 1%
White dyes 0.2
Sodium Benzoate 1%
Above-mentioned raw materials is mixed, seal standby.Get above-mentioned substance 58Kg during use, add 42Kg water, stir, can make interior wall coating and use.Its opacifying power is good, non-scale, not shedding, easy to use.
Embodiment five
The ceramic tile tackiness agent
The material name mass percent
Puffing glutinous rice starch 12%
White cement 67%
Can disperse rubber powder 8%
Silica powder 12%
Sodium Benzoate 1%
Above-mentioned substance is mixed, seal standby.Get above-mentioned compound 7Kg during use, add 3Kg water, stir, can make the ceramic tile tackiness agent and use.It is bonding firmly, easily and property good, rate of drying is fast, and is easy to use.
Reference
1.D.S. reining in plucked instrument J. Nei Fulin can biodegradable puffed starch product and preparation method
CN 1103674C
2. the preparation and the application of the beautiful expanded corn starch binder of Zhai Guang
1,149,069 1996 on September 21, of CN
Claims (1)
1. the preparation method of puffing glutinous rice starch is characterized in that:
Use the broken glutinous rice of tankage of rice mill, will handle before expanded, raw materials used mass percent is
More than each component sum equal 100%;
Take by weighing borax, add entry, stirring and dissolving; Get alum, add entry, stirring and dissolving; Broken glutinous rice decon, spray respectively with borax solution and alum solution, mix is even, and it is expanded to put into bulking machine, pulverizes at any time after expanded, sieves, and promptly obtains puffing glutinous rice starch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101407077A CN101314647B (en) | 2008-07-21 | 2008-07-21 | Preparation and uses of puffing glutinous rice starch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101407077A CN101314647B (en) | 2008-07-21 | 2008-07-21 | Preparation and uses of puffing glutinous rice starch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101314647A CN101314647A (en) | 2008-12-03 |
| CN101314647B true CN101314647B (en) | 2011-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101407077A Expired - Fee Related CN101314647B (en) | 2008-07-21 | 2008-07-21 | Preparation and uses of puffing glutinous rice starch |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103741538B (en) * | 2012-09-04 | 2016-07-06 | 金东纸业（江苏）股份有限公司 | Reducing rules and the method improving its intensity, apply the paper that this reducing rules prepares |
| CN103468161A (en) * | 2013-09-06 | 2013-12-25 | 杭州美嘉保新材料科技有限公司 | Expanded starch solid powder glue and preparation method thereof |
| CN104004469A (en) * | 2014-02-28 | 2014-08-27 | 邱顺建 | Preparation method for glutinous rice glue |
| CN103980834A (en) * | 2014-05-09 | 2014-08-13 | 查向东 | Glutinous rice modification base material used for adhesives |
| CN108208586A (en) * | 2017-05-05 | 2018-06-29 | 商清 | It is a kind of to utilize puffing grain processing into fast food production method |
| CN112480480A (en) * | 2020-09-16 | 2021-03-12 | 康新武 | Method for manufacturing starch tableware |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1390900A (en) * | 2002-07-04 | 2003-01-15 | 王宝相 | Powdered paint made of glutinous rice and talc powder for internal wall and its preparing process |
| CN101117473A (en) * | 2006-08-01 | 2008-02-06 | 天津市振东涂料有限公司 | Method for manufacturing inner wall paint |
-
2008
- 2008-07-21 CN CN2008101407077A patent/CN101314647B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1390900A (en) * | 2002-07-04 | 2003-01-15 | 王宝相 | Powdered paint made of glutinous rice and talc powder for internal wall and its preparing process |
| CN101117473A (en) * | 2006-08-01 | 2008-02-06 | 天津市振东涂料有限公司 | Method for manufacturing inner wall paint |
Non-Patent Citations (2)
| Title |
|---|
| 沈国鹏.利用膨化-交联技术制备环保型芯砂粘结剂的研究.铸造技术.2003,第24卷(第5期),第432页第1栏第1-5行，第34-39行,表1. * |
| 翟广玉.膨化玉米淀粉胶粘剂的研制.粘接.2001,第22卷(第1期),第15页第1栏第1-17行. * |
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| CN101314647A (en) | 2008-12-03 |
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Granted publication date: 20110907 Termination date: 20120721 |