CN105566687A - Degradable starch foaming container - Google Patents
Degradable starch foaming container Download PDFInfo
- Publication number
- CN105566687A CN105566687A CN201510139727.2A CN201510139727A CN105566687A CN 105566687 A CN105566687 A CN 105566687A CN 201510139727 A CN201510139727 A CN 201510139727A CN 105566687 A CN105566687 A CN 105566687A
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- China
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- foaming container
- decomposability
- starch foaming
- container
- mierocrystalline cellulose
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- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Wrappers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a degradable starch foaming container. Main components of the degradable starch foaming container comprise starchy substances, cellulose, a toughening agent, a stabilizer, a hydrate, a release agent and an inorganic powder filling agent, wherein the starchy substances are grains or potatoes, and the stabilizer is dibasic lead stearate or tribasic lead sulfate hydrate. According to the degradable starch foaming container disclosed by the invention, the stability is enhanced, and demoulding is convenient.
Description
Technical field
The present invention relates to a kind of container, particularly relate to a kind of decomposability starch foaming container.
Background technology
In order to stress demand quickly and easily in response to the modern life, the employed population of many industrial countries prepares the time of food to effectively save to be in, and grows up in the demand index ground of deserted packaging.Plastics and paper contamination have been current primary subject under discussion for a long time.Traditional deserted foodstuff container (comprising lid, jar and other wrapping material etc.) is usually by the nondecomposable material of biology, such as plastics, polystyrene, Baolilong etc. are made, or with the virgin paper pulp of coating, dipping water-repellancy polymer materials or cardboard, or in case waterborne polymeric material sheet is made.Above-mentioned materials has good moistureproofness, can completely cut off moisture (such as polystyrene foamed (foamedpolystyrene) or Baolilong (Styrofoam)), and have low cost and weather resistance.
But, because its material all by biological natural decomposition, therefore cannot can cause great injury to environment.Such as, utilize the polystyrene of multiple hazardous chemicals manufacture, it comprises benzene (benzene) and ethene (ethylene), and these the two kinds byproducts having compound to be all petroleum industry, bring serious environmental problem, and wherein benzene is a kind of carcinogenic substance.Therefore how to develop and can solve deserted foodstuff container and make the environmental problem brought, and there is the advantage of conventional food container, as moisture protection, there is the material of Biodegradable and compostability simultaneously, in today that environmental consciousness is surging, the manufacturers of container must stop using polystyrene products and change the material adopted compared with environmental protection, and development can the environment protection container of natural decomposition (or claim " bioerodible ") be urgent anxious.
The bioerodible ability of general bioerodible (biodegradable) container also has the difference in degree, some seems can the container of natural decomposition, it is only break to become fragment, these fragments are not easily seen, but many decades or centuries is still needed to decompose completely, and the container of ability preferably made by bioerodible material, the time of its natural decomposition is approximately 24 days, this type of container also can be used as compost and uses, and is compost (compostab1e).
For user, resistance (thermoresistance) of tableware is more high better, such as when tableware be used for support, hold or place heat food for people enjoy in real time time, if resistance not good, then user easily feel scald one's hand and bring inconvenience; And in low temperature environment (as winter or high latitude and high altitude localities), for avoiding food cooling in tableware, the tableware possessing insulation effect must be used.Although the disposable utensils extensively used now, that is the tableware (i.e. so-called foaming Baolilong) including air gap, have effect of thermal resistance, it is the one of Plastic tableware, therefore can not be decomposed by biology.In addition, if be used in packaging, hold or place high temperature food (solid-state or liquid), Plastic tableware can produce toxic substance.
Although once there was one to be known as the material of " biological plastics " is as poly(lactic acid) (PLA), system utilizes the material of such as corn and so on for raw material, through supervisors such as conversion, fermentation, polymerizations, the plastic pellet of output such as transparent poly(lactic acid) (PLA) etc., cannot biolytic Xylonite in order to replace, but this " biological plastics " is the same with Xylonite on composition, decomposition rate is not ideal enough, and the easy modification of heat, its thermotolerance is very poor, and generally speaking thermotolerance is about 60 DEG C; Its making processes is numerous and diverse again, therefore production cost is high, is difficult to replace general petrochemical industry plastics, and it is applied to the suitability critical constraints especially of tableware.
Accordingly, market not only also exists one will replace Plastic foodstuff container with environmentally friendly demand, also there is one and can replace Plastic foodstuff container and have better thermal resistance simultaneously or hinder the demand of cold-working with (namely possessing comparatively low thermal energy conductivity).In addition, also there is a kind of demand that will replace Plastic foodstuff container is polluted by toxic substance risk to avoid food.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of decomposability starch foaming container, it is not containing plastics, except being conducive to environmental protection, again owing to comprising space in inside, and there is the thermal resistance effect suiting practicality, it is for packaging or support or hold or accommodating food, there is the advantage of Plastic foodstuff container, and the shortcoming of environmental protection of causing harm without Plastic foodstuff container tool, environmental protection can be taken into account with practical, it is for packing or holding or accommodating food again, and people can be made to avoid the toxic misgivings of food.In addition, enhanced stability of the present invention, and conveniently stripped.
The present invention solves above-mentioned technical problem by following technical proposals: a kind of decomposability starch foaming container, it is characterized in that, its main component comprises starchy material, Mierocrystalline cellulose, toughner, stablizer, hydrate, releasing agent, inorganic powder weighting agent.
Preferably, described starchy material Wei Grains thing or potato thing.
Preferably, described starchy material Wei Grains thing or potato thing.
Preferably, described releasing agent is wax or talcum powder.
Preferably, described Mierocrystalline cellulose comprises wooden candy matter Mierocrystalline cellulose or herbaceous stem Mierocrystalline cellulose.
Preferably, described toughner comprises the methylcellulose gum of food-grade, natural rubber and synthetic rubber.
Positive progressive effect of the present invention is: the present invention is not containing plastics, except being conducive to environmental protection, again owing to comprising space in inside, and there is the thermal resistance effect suiting practicality, it is for packaging or support or hold or accommodating food, has the advantage of Plastic foodstuff container, and the shortcoming of environmental protection of causing harm without Plastic foodstuff container tool, can take into account environmental protection with practical, it is for packing or holding or accommodating food again, and people can be made to avoid the toxic misgivings of food.In addition, enhanced stability of the present invention, and conveniently stripped.
Embodiment
The present invention will be described with preferred embodiment and viewpoint, and this type of describes explains structure of the present invention and step, is only not used in order to explanation limit patent protection scope of the present invention.Therefore, except the preferred embodiment in specification sheets, the present invention also can extensively be rendered in other embodiments.
The main component of decomposability starch foaming container of the present invention comprises starchy material, Mierocrystalline cellulose, toughner, stablizer, hydrate, releasing agent, inorganic powder weighting agent etc.Wherein, the present invention can use but not limit various starch, can Fen Wei Grains thing or potato thing haply, and cereal comprises rice, wheat, corn or other natural cereal grasss, and potato thing comprises cassava, sweet potato, potato or other natural potato class plants.Chu Grains thing or potato beyond the region of objective existence, starch also can comprise other plants containing starchy material.In one embodiment of the invention, starchy material accounts for this overall part by weight and is greater than 45% and is less than 90% of percentage.Because starchy material can natural decomposition, and can not toxic contaminants be produced after decomposing, starchy material inside after work program can produce multiple space or aperture again, forms open foaming structure and causes main body have better thermal resistance or hinder cold performance, has the effect of insulation or cold insulation simultaneously.
Wherein, stablizer can be dibasic lead stearate or hydration lead sulfate tribasic etc., increases the stability of decomposability starch foaming container like this.Releasing agent can be wax or talcum powder etc., and decomposability starch foaming container can be facilitated to spin off from mould, ensures that decomposability starch foaming container and mould stand intact simultaneously.
Mierocrystalline cellulose can comprise wooden candy matter Mierocrystalline cellulose or herbaceous stem Mierocrystalline cellulose etc., more can be carbon fiber, glass fibre, macromolecular fibre in addition, or the Mierocrystalline cellulose that long-width ratio (aspectratio) is greater than 20, better but be not defined as wooden candy matter vegetable fibre, also can more than one Mierocrystalline cellulose used in combination, its object of adding is the physical strength of reinforcement material.In one embodiment of the invention, the length system of herbaceous stem fiber is greater than the length of wooden candy matter vegetable fibre, and the weight of above-mentioned two kind of plant fibers and the per-cent that accounts for raw material gross weight are preferably and are greater than 5% and are less than 25%, thus provide the physical strength that this biodegradable vessel is higher.
Hydrate is a kind of white particle crystal or crystalline powder, in order to make the color of container base partially white, to increase the applicability of container.Another effect system of hydrate can discharge water molecules, to produce the space of idiosome, in order to the open cell structure producing substrate in heat-processed.Hydrate of the present invention comprises various hydrate, such as aluminium trihydrate (aluminumtrihydrate), magnesiumcarbonate (MgCO
3), magnesium hydroxide (Mg(OH)
2), sodium carbonate (Na
2cO
3), aluminum nitrate (Al(NO
3)
3), hydrate of zinc sulfata (ZnSO
47H
2o), aluminium hydroxide (Al(OH)
2), calcium carbonate (CaCO
3), or mixture more than said two devices.Be use aluminium hydroxide (Al(OH) in one of the present invention embodiment
2).
Toughner can comprise the methylcellulose gum of food-grade, natural rubber and synthetic rubber, and it increases the toughness of substrate.
Inorganic powder weighting agent departs from the easness of heating mould in order to increase, and increases foamed gas space, that is increases the uniformity of foaming, more can increase the physical strength of formed body.Inorganic powder weighting agent of the present invention comprises talcum powder, sand, gravel, rock, limestone, sandstone, granulated glass sphere, mica, clay, kaolin, synthesis clay, silica, flyash, silica glass, corundum, microballoon, terra alba, calcium aluminium, non-hydrated cement particle and hydrated cement particle.In one embodiment of the invention, inorganic powder weighting agent is talcum powder (calcium magnesium silicate, Mg
3[Si
4o
10] (OH)
2), because it has oilness, anti-to stick, helps stream, resistivity against fire, resistance to acid, and it has the various physical properties such as high-melting-point, therefore as inorganic powder weighting agent, with the resistance of hoisting conveyance and intensity, and increasing substrate hot briquetting step, its content accounts for raw material gross weight and is preferably and is greater than 5% and is less than 50%.
The present invention is not containing plastics, except being conducive to environmental protection, again owing to comprising space in inside, and there is the thermal resistance effect suiting practicality, it is for packaging or support or hold or accommodating food, has the advantage of Plastic foodstuff container, and the shortcoming of environmental protection of causing harm without Plastic foodstuff container tool, can take into account environmental protection with practical, it is for packing or holding or accommodating food again, and people can be made to avoid the toxic misgivings of food.In addition, enhanced stability of the present invention, and conveniently stripped.
Claims (6)
1. a decomposability starch foaming container, is characterized in that, its main component comprises starchy material, Mierocrystalline cellulose, toughner, stablizer, hydrate, releasing agent, inorganic powder weighting agent.
2. decomposability starch foaming container as claimed in claim 1, is characterized in that, described starchy material is Grains thing or potato thing.
3. decomposability starch foaming container as claimed in claim 1, it is characterized in that, described stablizer is dibasic lead stearate or hydration lead sulfate tribasic.
4. decomposability starch foaming container as claimed in claim 1, it is characterized in that, described releasing agent is wax or talcum powder.
5. decomposability starch foaming container as claimed in claim 4, it is characterized in that, described Mierocrystalline cellulose comprises wooden candy matter Mierocrystalline cellulose or herbaceous stem Mierocrystalline cellulose.
6. decomposability starch foaming container as claimed in claim 1, is characterized in that, described toughner comprises the methylcellulose gum of food-grade, natural rubber and synthetic rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510139727.2A CN105566687A (en) | 2015-03-29 | 2015-03-29 | Degradable starch foaming container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510139727.2A CN105566687A (en) | 2015-03-29 | 2015-03-29 | Degradable starch foaming container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105566687A true CN105566687A (en) | 2016-05-11 |
Family
ID=55877363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510139727.2A Pending CN105566687A (en) | 2015-03-29 | 2015-03-29 | Degradable starch foaming container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105566687A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048712A (en) * | 1989-07-11 | 1991-01-23 | 沃纳-兰伯特公司 | What contain disordered structure starch is the blend compositions of base-material with the polymkeric substance |
| CN101456978A (en) * | 2008-12-23 | 2009-06-17 | 山东九发生物降解工程有限公司 | Disposable full degrading dining tool and preparation method thereof |
| CN102092524A (en) * | 2009-12-10 | 2011-06-15 | 方卫良品股份有限公司 | Biodegradable container |
| CA2889039A1 (en) * | 2012-11-15 | 2014-05-22 | Basf Se | Biodegradable polyester mixture |
-
2015
- 2015-03-29 CN CN201510139727.2A patent/CN105566687A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048712A (en) * | 1989-07-11 | 1991-01-23 | 沃纳-兰伯特公司 | What contain disordered structure starch is the blend compositions of base-material with the polymkeric substance |
| CN101456978A (en) * | 2008-12-23 | 2009-06-17 | 山东九发生物降解工程有限公司 | Disposable full degrading dining tool and preparation method thereof |
| CN102092524A (en) * | 2009-12-10 | 2011-06-15 | 方卫良品股份有限公司 | Biodegradable container |
| CA2889039A1 (en) * | 2012-11-15 | 2014-05-22 | Basf Se | Biodegradable polyester mixture |
Non-Patent Citations (2)
| Title |
|---|
| 王澜 等: "《高分子材料》", 31 January 2009, 中国轻工业出版社 * |
| 黄玉媛 等: "《精细化工配方常用原料手册》", 31 March 1998, 广东科技出版社 * |
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Application publication date: 20160511 |