CN1247251A - Process for preparing degradable buffering package material - Google Patents
Process for preparing degradable buffering package material Download PDFInfo
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- CN1247251A CN1247251A CN 99113950 CN99113950A CN1247251A CN 1247251 A CN1247251 A CN 1247251A CN 99113950 CN99113950 CN 99113950 CN 99113950 A CN99113950 A CN 99113950A CN 1247251 A CN1247251 A CN 1247251A
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- buffering package
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Abstract
A process for preparing the degradable buffering package material featurs that the core of maize cob and/or stalk, and/or the core of sorghum stalk, and/or anntinous light plant are used as the raw material of foam material, and includes breaking, screening, classifying by size of particles, mixing with binder, stirring, press moulding and baking. Its advantages are no environmental pollution and simple process.
Description
The present invention relates to degradable packaging material, particularly a kind of preparation technology of degradable buffering package material.
The disposable expanded polystyrene (EPS) amortizing packaging material that China uses at present, annual in the past the need more than the tens million of tons of consumption, used CFC (CFC) in process of production, it has more serious destruction to the mankind's immune system and vegeto-animal ecological environment, be called as white pollution, become global public hazards.This discarded object can not be degraded for a long time at occurring in nature, thereby becomes the material in the ecological chain.If it is burned, will produce toxic gas and cause secondary pollution; If will recycle it, then because of foamed plastic takies a large amount of spaces, in removal process, its cost consumption of collecting, transport and handling is very big.Therefore these bubble flavor materials are discarded everywhere, so not only make farmland, soil poor qualityization, and severe contamination the water quality in river, river, lake, influence agricultural production, cause environment to be subjected to severe contamination.
The preparation technology who the purpose of this invention is to provide a kind of degradable buffering package material, the amortizing packaging material of making can be degraded, and environment is not polluted its preparation process simple and feasible.
Technical solution of the present invention is as follows:
A kind of preparation technology of degradable buffering package material, adopt corncob cellulose and/or cornstalk core and/or sorghum rod core and/or annual light-weight plant material as the foaming raw material parent, at first the foaming raw material parent of collecting is ground into particle by pulverizer, screen and classify by granular size, again granular lightweight material parent is admixed mixed adhesive, put into mixer stir all with, then the light material that mixes and stirs is put into mould inner pressure and cast type, amortizing packaging material after the moulding is dried by drying plant, promptly becomes degradable buffering package material.
Because the present invention adopts natural plants as the raw material parent, makes amortizing packaging material by preparation technology of the present invention, therefore be easy to obtain degraded, environment is not polluted, in preparation process, do not produce pollution, its preparation process simple and feasible yet.
Below in conjunction with embodiment preparation technology of the present invention is further described.
A kind of preparation technology of degradable buffering package material adopts multiple raw material, comprises corncob cellulose and/or cornstalk core and/or sorghum rod core and/or annual light-weight plant material, as the foaming raw material parent.Corncob cellulose is meant the inner core after corn is peeled off the grain of rice, and its dry product is a kind of light material.Cornstalk core, sorghum rod core are meant its withered and yellow tangerine bar inner core in autumn after corn, the jowar results, and it also is a kind of light material.
At first the foaming raw material parent of collecting is ground into particle by pulverizer, screens and classify by granular size.If required amortizing packaging material is that the structure of buffer stopper is bigger, the particle of this raw material parent can be more greatly, otherwise this particle can be smaller, amount material and deciding.
Again granular lightweight material parent is admixed mixed adhesive, put into mixer stir all with.This mixed adhesive is a kind of adhesive of liquid condition, can be made by starch, has added preservative agent, drier and waterproofing agent in the adhesive.
According to shape, the size of needed buffer stopper, the light material that mixes and stirs is put into mould inner pressure cast type then, the amortizing packaging material after the moulding is dried by drying plant, promptly becomes degradable buffering package material.
In preparation process, carry out free of contamination bleaching as required.Granular lightweight material parent is put into to float in the pond bleaches, it with about 40 ℃ warm water adding capacity 5%～10% clorox, and water temperature is remained on about 40 ℃, also should make pool inner water mobile through being everlasting, and the feed particulate material parent stirred up and down, make this raw material parent can absorb the liquor natrii hypochloritis equably.When being stirred 1 hour, the feed particulate material parent adds amount of urea.Bleaching time is 3～4 hours, discharges water to float clearly chlorine residue rinse again.Do the back by centrifuge drying moisture content through filtering then, dried by drying plant again.
After bleaching for the first time,, also can carry out the bleaching second time according to the whiteness requirement.During rinsing for the second time, require to float the pool inner water temperature and add 5% hydrogen peroxide in the time of 30 ℃～40 ℃, also can add and be similarly 5% clorox and bleach, bleaching time is about 3 hours, floats clearly then.Raw material whiteness behind the rinse is about 70 °～80 °, if rinse not, raw material will yellowing.
The method of gathering withered cornstalk, sorghum rod is to have the bar material merogenesis to downcut upper semisection, takes out inner core with the hand peeling, also can take out inner core with the mechanical stripping method, must carry out drying then, pulverizes under drying regime.The feed particles parent that adopts both can not bleached and was utilized the raw material true qualities, can be bleached as required yet, but must float clearly after bleaching totally, and not so material will yellowing.The weight of cornstalk, sorghum rod and the weight of foamed plastic, its proportion is identical, but has the effect of degraded.
When the light material that mixes and stirs is put into mould inner pressure and cast type, also can moulding make disposable snack box, noodle bowl and other container, drench film at last and get final product finished product.
Claims (3)
1. the preparation technology of a degradable buffering package material, adopt corncob cellulose and/or cornstalk core and/or sorghum rod core and/or annual light-weight plant material as the foaming raw material parent, it is characterized in that, at first the foaming raw material parent of collecting is ground into particle by pulverizer, screen and classify by granular size, again granular lightweight material parent is admixed mixed adhesive, put into mixer stir all with, then the light material that mixes and stirs is put into mould inner pressure and cast type, amortizing packaging material after the moulding is dried by drying plant, promptly becomes degradable buffering package material.
2. the preparation technology of degradable buffering package material according to claim 1, it is characterized in that, granular lightweight material parent is put in the Bellmer bleaches, it with about 40 ℃ warm water adding capacity 5%～10% clorox, and water temperature is remained on about 40 ℃, also should make pool inner water mobile through being everlasting, and the feed particulate material parent stirred up and down, make this raw material parent can absorb the liquor natrii hypochloritis equably, bleaching time is 3～4 hours, discharge water again and float clearly, do the back by centrifuge drying moisture content through filtering then, dried by drying plant again chlorine residue rinse.
3. the preparation technology of degradable buffering package material according to claim 2 is characterized in that, adds amount of urea when the feed particulate material parent is stirred 1 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99113950 CN1247251A (en) | 1999-08-02 | 1999-08-02 | Process for preparing degradable buffering package material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99113950 CN1247251A (en) | 1999-08-02 | 1999-08-02 | Process for preparing degradable buffering package material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1247251A true CN1247251A (en) | 2000-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99113950 Pending CN1247251A (en) | 1999-08-02 | 1999-08-02 | Process for preparing degradable buffering package material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1247251A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100447205C (en) * | 2005-02-16 | 2008-12-31 | 唐相平 | Plant fiber foamed products and method for preparing same |
| CN102415323A (en) * | 2011-09-04 | 2012-04-18 | 大连染谷绿业科技有限公司 | Multifunctional organic cultivation base plate and production method thereof |
-
1999
- 1999-08-02 CN CN 99113950 patent/CN1247251A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100447205C (en) * | 2005-02-16 | 2008-12-31 | 唐相平 | Plant fiber foamed products and method for preparing same |
| CN102415323A (en) * | 2011-09-04 | 2012-04-18 | 大连染谷绿业科技有限公司 | Multifunctional organic cultivation base plate and production method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| AD01 | Patent right deemed abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |