CN1558028A - Degradable disposable tableware and manufacturing method thereof - Google Patents
Degradable disposable tableware and manufacturing method thereof Download PDFInfo
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- CN1558028A CN1558028A CNA2004100127047A CN200410012704A CN1558028A CN 1558028 A CN1558028 A CN 1558028A CN A2004100127047 A CNA2004100127047 A CN A2004100127047A CN 200410012704 A CN200410012704 A CN 200410012704A CN 1558028 A CN1558028 A CN 1558028A
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Abstract
The present invention relates to one kind of disposable degradable snack tableware and its preparing process. The materials include the main part bagasse pith in 80-100 mesh and mud as waste from cane sugar and paper plant, proper amount of starch, demolding agent, adhesive and reinforcing fiber, small amount of whitening agent and preservative, and water in the amount of 50-150 % of the foregoing material weight. All the materials are mixed via stirring, molded, painted with waterproof and oilproof gelatin, stoved and ultraviolet disinfected to make the product. The product after being used may be used as feed for farm animal and fertilizer, and the said production process can solve the environmental pollution caused by two kinds of waste.
Description
Technical field
The present invention relates to a kind of fast food lunch-box, particularly utilize the waste material sugarcane marrow of cane sugar factory and the method that filter mud is made the degradable disponsable fast food lunch-box.
Background technology
At present, in industries such as China's fast food, tourism, the disposable tableware that is widely used is still based on foamed poly styrene plastic, polyvinyl chloride mess tin.This is the material that many developed countries have been under an embargo and have used.According to the statistics made by the departments concerned, up to more than 10,000,000,000, the annual rubbish weight that produces reaches more than 10 ten thousand tons to this kind mess tin in the average annual use amount of China.Because of this material has stronger chemical stability, difficult degradation, and used CFC (CFC) in process of production, human immunity system, animal and plant growth and atmospheric ozone layer all there are comparatively serious destruction.Produce a large amount of toxic gases during burning disposal again, contaminated environment, destroy soil, poison livestock with poison.Simultaneously owing to major part in the foamed plastic is an air.In the recycling process, the expense of collecting and transporting is made the secondary plastic product up to the several times that itself are worth even reclaim, or be cracked into gasoline, diesel oil, its cost also must be higher than the value that can regain far away, and therefore, in fact this foamed plastic cutlery box goes out of use mostly.It is reported that the discarded foaming plastic tableware in the whole nation has reached the hundreds of thousands ton at present, has caused very serious " white pollution ".For this reason, the Ministry of Railways once maked decision in 1994: system-wide will ban use of disposable foamed plastic cutlery box in the end of the year 1997, and State Economic and Trade Commission stipulates that also the end of the year in 2000 whole nation foamed polystyrene tableware production line is all out of service.
So, from the nineties, the many scientific research institutions of China are just studied the degradable disponsable fast food lunch-box, the employing string that has, the employing degradation plastic that has, as: " Chinese environmental protection industry " 2000 the 1st interim articles compare and estimate various Novel tableware production uses and pluses and minuses, and disposable foamed plastic tableware had been classified as the superseded product of time limit by national departments concerned when, a collection of substitute products arose at the historic moment.Which kind of cutlery box does more meet environmental protection requirement actually? can which kind of tableware finally stand in pin in keen competition? the moulded pulp set for dining that this article proposes, be to be main raw material with herbaceous plant paper pulp such as reed, bagasses, add 30% left and right sides wood pulp and some waterproof and oilproof auxiliary agents etc., by the in-mold molding of forming machine in definite shape, form elementary blank, heat drying again, operation such as press polish moulding and making; " grain and feed industry " the 12nd phase in 1999 discloses utilizes early long-grain nonglutinous rice to produce disposable degradable tableware, it is to be direct material with early long-grain nonglutinous rice and ridge chaff, through pulverizing, after the preliminary treatment such as even mixed grade, hot-forming is the production process route of disposable degradable tableware, also research and develop out 200,000 early long-grain nonglutinous rice system disposable degradable tablewares of daily output complete production line, every cutlery box of its production cost only is 0.116 yuan, and product quality has reached and met national standard.Or the like.
Chinese patent also discloses the manufacture method of many disposable lunch-boxes, as: 1,＜application number〉02132545＜denomination of invention〉degradable environment-protecting starch-based material and manufacture method, it relates to a kind of raw material capable of being fast degraded that are used to make disposable tableware and disposable packaging, and this raw-material manufacture method.It is made up of following component in percentage by weight: starch 51～80, modification auxiliary material 10～20, plant sugar 6～12.5, plasticizer 1.3～6, degraded controlling agent 0.2～1, pla-pcl and poly butyric resin copolymer 2～8.5, chitin chitosan 0.5～1.Its manufacture method is: (1) takes by weighing raw material; (2) carry out polymerisation blend modification by copolymerization; (3) with the building block system parallel double-screw extruder carry out three grades mixing.This material has solved the bad mechanical strength that existing degradable material exists, the problem of poor plasticity.2,＜and application number〉00118562＜denomination of invention〉production method of producing disposable snack box or hygienic chopsticks with straw or straw, be earlier with straw or straw drying, then it is ground into bean vermicelli shape fines, simultaneously polyvinyl alcohol is dissolved into mucus in water, again straw or straw fines and polyvinyl alcohol mucus are made single box or single chopsticks base just in the formation mould by the extruder squeeze note, again that single box or the base pairing just of single chopsticks is bonding, oven dry at last is finished product.3,＜and application number〉99114787＜denomination of invention〉Diposable degradable fast-food box and preparation method thereof, its component and content are: 30-50 purpose mesh wheat straw powder: 20%-30%, 30-50 purpose rice husk powder: 30%-40%, 80-120 purpose flour: 20%-30%, vegetable oil: 4%-5%, modification edible glue: 4%-6%, more than all percentages be percetage by weight.After each component mixing and stirring, extrusion modling, spray glue, baking and curing can get finished product.This mess tin is nontoxic, and free from extraneous odour is pollution-free, and recyclablely is used further to poultry, fowl, and fish feed, if abandon the earth, rivers then are organic fertilizer of fine quality, it has opened up channel for the agricultural byproducts deep processing; Can in 20-48 hour, arbitrarily degrade; Under the situation of not meeting liquid medium, the shelf-life was more than six months.4,＜and application number〉98111536＜denomination of invention〉production technology of plant fibre snack box and packing container, it is characterized in that its production process is followed successively by: select materials, slurrying, slurry decolouring, add auxiliary agent, moulding and sterilization.This characteristic feature of an invention is to be raw material with the string, adopts machinery pulping, and hydrogen peroxide is made decolorizer, and is equipped with the anti-water auxiliary agent of oil resistant, one-shot forming technique the intensity of product is improved, and cost reduces greatly, close with foamed plastic mess tin price, and produce pollution-free, easily degraded.
Though the disposable fast food apparatus made of paper or that copolymer is made of above-mentioned report has solved degradation problem, but the manufacturing cost height that has, what have also needs boiling, has also increased contaminated wastewater at pulping process, and need expend limited paper making raw material, the polymer or the plasticizer that have have certain influence to human body.
Summary of the invention
In order to overcome the deficiencies in the prior art part, the inventor is through research and experiment, and having invented a kind of waste material sugarcane marrow and filter mud that produces with sugaring of cane suger paper plant and papermaking is raw material, and production can be degraded voluntarily, environmentally safe, the manufacture method of cheap disposable fast food apparatus; Can partially recycledly utilize simultaneously two primary pollution sources of candy paper factory.
The sugarcane marrow be in the cane suger paper plant with the discarded object of bagasse papermaking, mainly be grouped into by staple fibre and small amounts of sugars, except small part be used for the fuel of oily cofiring as power boiler, all the other major parts abandon; Filter mud is the discarded object that produces in the cane juice clarification operation of sugaring process, and its main component is the very little Ca of granularity (CO)
3, all the other are crude fibre, crude protein, and crude fat and sugar only have batching and the fertilizer of part as cement at present; The two floor space is big, and is easily mouldy because of containing sugar, sends rancid taste after the stacking, is one of primary pollution source of cane suger paper plant.
The technical scheme that the present invention takes is as follows:
One, the composition and the weight percentage of the raw material produced of this tableware are:
Sugarcane marrow 60～80
Starch 10～20
Binding agent 0.5～2
Releasing agent 2～5
All the other are filter mud
Above-described starch is cereal starch or potato starch, as chooses corn, rice, wheat, cassava, Ipomoea batatas, potato, potato etc.Starch plays modifying agent, can improve the bonding strength of material, also can make product have the characteristic of antiacid, alkali and oil, and improves degradation rate;
Above-described binding agent is a spot of polyvinyl alcohol, polyvinyl butyral resin or polyvinyl formal, and its effect also is as the bonding strength of improving material, makes mouldability better, also can degrade.
Above-described releasing agent is calcium stearate or zinc stearate, and it can make finished surface bright and clean;
The raw material that above-described tableware is produced can also add reinforcing fiber, preservative agent, brightening agent as required.Reinforcing fiber can be to pulverize the long flax fibre in back or cocoanut shell, fortune windmillpalm sheath-fibre, clean cotton spinning waste material-land cotton, and fineness is 60～100 orders, because of the sugarcane marrow is a staple fibre, so the adding reinforcing fiber can increase the intensity of finished product; Preservative agent can be selected non-toxic anticorrosion agent such as boric acid, sorbic acid, sorbate, Sodium Benzoate for use; Brightening agent can be selected titanium dioxide or talcum powder etc. for use, is mainly used to increase the whiteness of tableware.
Two, manufacturing technique method and step:
(1) the sugarcane marrow is crushed to preliminary dimension: 80～100 orders, filter mud is crushed to preliminary dimension: 100～120 orders.
(2) add starch, binding agent, releasing agent, reinforcing fiber, filter mud mix with water, and water is 50～150% of above-mentioned material, stirs into non-stick container, do wet suitable mixed material.
(3) the mixed material input has been heated in 160～220 ℃ of moulds, the demoulding after the pressure dip mold moulding in 10～15 second of 2～8Mpa.
(4) the heat-resisting vinyl chloride-vinyl acetate that the tableware surfaces externally and internally of moulding spraying waterproof and oilproof is nontoxic, vinyl chloride-vinylidene chloride water emulsion or their copolymerization white water emulsion, thickness is the 0.5-2 micron;
(5) tableware is dried, after make finished product.
Advantage of the present invention is: the materials safety non-toxic degradable, and cheap, production technology is simple, also can be used as the feed of domestic animals and fowls and the fertilising in farmland after product once uses; The two big pollution sources in southern sugarcane paper mill have been recycled simultaneously.
The specific embodiment
Embodiment 1:
Raw materials used proportioning is (consumption is a weight):
Sugarcane marrow 64Kg, tapioca 14Kg, filter mud 13Kg, polyvinyl alcohol 1.5, boric acid 0.5Kg, titanium dioxide 1Kg calcium stearate 2Kg, cocoanut shell 4Kg, water 80Kg.
Its manufacture process is as follows:
Sugarcane marrow, cocoanut shell are pulverized through pulverizer, sieved, be filtered into 80 purpose sugarcane marrow powder and coconut shell powder; Filter mud is crushed to 100 purpose fine powders; The sugarcane marrow, cocoanut shell filter mud powder and other raw material that crush are stirred in container, become to do the compound of wet appropriateness; The mixed material input has been heated in 160 ℃ the mould, the demoulding after the pressure dip mold moulding in 12 second of 6Mpa; The nontoxic heat-resisting vinyl chloride-vinyl acetate water emulsion of moulding tableware surfaces externally and internally spraying waterproof and oilproof, thickness is 1 micron; Afterwards in the tubular type baking oven with 100 ℃ of oven dry; Use the ultraviolet lamp illumination-based disinfection at last, after checking, pack with non-toxic plastic film.
Embodiment 2:
Raw materials used proportioning is (consumption is a weight):
Sugarcane marrow 70Kg, cornstarch 15Kg, filter mud 7Kg, polyvinyl butyral resin 1.0Kg, sorbic acid 0.5Kg, zinc stearate 2Kg, cavings 4Kg, water 70Kg.
Its manufacture process is as follows:
Sugarcane marrow, cavings are pulverized through pulverizer, sieved, be filtered into 90 purpose sugarcane marrow powder and husk powders; Filter mud is crushed to 120 purpose fine powders; The sugarcane marrow, cavings, filter mud powder and other raw material that crush are stirred in container, become to do the compound of wet appropriateness; The mixed material input has been heated in 180 ℃ the mould, the demoulding after the pressure dip mold moulding in 15 second of 5Mpa; The copolymerization white water emulsion of the heat-resisting vinyl chloride-vinyl acetate that moulding tableware surfaces externally and internally spraying waterproof and oilproof is nontoxic, thickness is 0.8 micron; Afterwards in the tubular type baking oven with 100 ℃ of oven dry; Use the ultraviolet lamp illumination-based disinfection at last, after checking, pack with non-toxic plastic film.
Embodiment 3:
Raw materials used proportioning is (consumption is a weight):
Sugarcane marrow 75Kg, farina 12Kg, filter mud 4Kg, polyvinyl formal 1.0Kg, Sodium Benzoate 0.5Kg, talcum powder 1Kg, calcium stearate 2Kg, flax fibre 5Kg, water 100Kg.
Its manufacture process is as follows:
Sugarcane marrow, flax fibre are pulverized through pulverizer, sieved, be filtered into 90 purpose raw meal; Filter mud is crushed to 120 purpose fine powders; The sugarcane marrow, flax fibre, filter mud powder and other raw material that crush are stirred in container, become to do the compound of wet appropriateness; The mixed material input has been heated in 200 ℃ the mould, the demoulding after the pressure dip mold moulding in 10 second of 8Mpa; The heat-resisting vinyl chloride that moulding tableware surfaces externally and internally spraying waterproof and oilproof is nontoxic-vinylidene chloride copolymerization white water emulsion, thickness is 1.5 microns; Afterwards in the tubular type baking oven with 100 ℃ of oven dry; Use the ultraviolet lamp illumination-based disinfection at last, after checking, pack with non-toxic plastic film.
Embodiment 4:
Raw materials used proportioning is (consumption is a weight):
Sugarcane marrow 80Kg, starch from sweet potato 10Kg, filter mud 2Kg, polyvinyl alcohol 1.5, sodium sorbate salt 0.5Kg, titanium dioxide 1Kg, calcium stearate 2Kg, fortune windmillpalm sheath-fibre 4Kg, water 95Kg.
Its manufacture process is as follows:
Sugarcane marrow, fortune windmillpalm sheath-fibre are pulverized through pulverizer, sieved, be filtered into 80 purpose sugarcane marrow powder and fortune windmillpalm sheath-fibre powder; Filter mud is crushed to 100 purpose fine powders; The sugarcane marrow, fortune windmillpalm sheath-fibre filter mud powder and other raw material that crush are stirred in container, become to do the compound of wet appropriateness; The mixed material input has been heated in 190 ℃ the mould, the demoulding after the pressure dip mold moulding in 15 second of 7Mpa; The heat-resisting vinyl chloride-vinyl acetate copolymerization white water emulsion that moulding tableware surfaces externally and internally spraying waterproof and oilproof is nontoxic, thickness is 2 microns; Afterwards in the tubular type baking oven with 100 ℃ of oven dry; Use the ultraviolet lamp illumination-based disinfection at last, after checking, pack with non-toxic plastic film.
Claims (8)
1, a kind of degradable disponsable utensils for snack, it is characterized in that: the material composition of this tableware and weight percentage are:
Sugarcane marrow 60～80
Starch 10～20
Binding agent 0.5～2
Releasing agent 2～5
All the other are filter mud
2, degradable disponsable utensils for snack according to claim 1, it is characterized in that: starch is cereal starch or potato starch, chooses corn, rice, wheat, cassava, Ipomoea batatas, potato, potato starch.
3, degradable disponsable utensils for snack according to claim 1 is characterized in that: described binding agent is polyvinyl alcohol, polyvinyl butyral resin or polyvinyl formal.
4, degradable disponsable utensils for snack according to claim 1 is characterized in that: described releasing agent is calcium stearate or zinc stearate.
5, degradable disponsable utensils for snack according to claim 1, it is characterized in that: the raw material that described tableware is produced can also add reinforcing fiber, preservative agent, brightening agent as required; Reinforcing fiber is selected for use and is pulverized the long flax fibre in back or cocoanut shell, fortune windmillpalm sheath-fibre, clean cotton spinning waste material-land cotton; Preservative agent is selected nontoxic food preservative for use; Brightening agent is selected titanium dioxide or talcum powder for use.
6, a kind of production method of degradable disponsable utensils for snack as claimed in claim 1: it is characterized in that:
(1) the sugarcane marrow is crushed to preliminary dimension: 80～100 orders, filter mud is crushed to preliminary dimension: 100～120 orders;
(2) (2) add starch, and binding agent, releasing agent, reinforcing fiber, filter mud mix with water, and water is 50～150% of above-mentioned material, stirs into non-stick container, do wet suitable mixed material;
(3) the mixed material input has been heated in 160～220 ℃ of moulds, the demoulding after the pressure dip mold moulding in 10～15 second of 2～8Mpa;
(4) the nontoxic water emulsion of the tableware surfaces externally and internally of moulding spraying waterproof and oilproof;
(5) tableware is dried, after make finished product.
7, manufacture method according to claim 6 is characterized in that: the heat-resistant adhesive that waterproof and oilproof is nontoxic is vinyl chloride-vinyl acetate, vinyl chloride-vinylidene chloride water emulsion or their copolymerization white water emulsion; Gluing thickness is 1 micron～0.5 millimeter.
8, manufacture method according to claim 6 is characterized in that: drying temperature of oven is 100～120 ℃, and disinfection adopts the ultraviolet lamp irradiation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100127047A CN1558028A (en) | 2004-02-03 | 2004-02-03 | Degradable disposable tableware and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100127047A CN1558028A (en) | 2004-02-03 | 2004-02-03 | Degradable disposable tableware and manufacturing method thereof |
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| CN1558028A true CN1558028A (en) | 2004-12-29 |
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| CNA2004100127047A Pending CN1558028A (en) | 2004-02-03 | 2004-02-03 | Degradable disposable tableware and manufacturing method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102212986A (en) * | 2011-05-27 | 2011-10-12 | 冠捷显示科技（厦门）有限公司 | Blank forming process for paper pulp molding product |
| CN102686803A (en) * | 2010-02-09 | 2012-09-19 | R·默罕萨斯·纳拉亚纳萨梅 | Biodegradable molded products |
| CN101987318B (en) * | 2009-07-31 | 2012-11-28 | 上海紫丹印务有限公司 | Method for producing quickly degradable packaging material |
| CN103027460A (en) * | 2012-12-04 | 2013-04-10 | 青岛大学 | Method for preparing snack boxes by using soybean raw material |
| CN107653752A (en) * | 2017-10-26 | 2018-02-02 | 台山市世亨包装材料有限公司 | A kind of Degradable environment protection antibacterial tableware and preparation method thereof |
| CN112144319A (en) * | 2019-06-28 | 2020-12-29 | 常州万兴纸塑有限公司 | Paper pallet molding product and preparation process thereof |
-
2004
- 2004-02-03 CN CNA2004100127047A patent/CN1558028A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101987318B (en) * | 2009-07-31 | 2012-11-28 | 上海紫丹印务有限公司 | Method for producing quickly degradable packaging material |
| CN102686803A (en) * | 2010-02-09 | 2012-09-19 | R·默罕萨斯·纳拉亚纳萨梅 | Biodegradable molded products |
| CN102212986A (en) * | 2011-05-27 | 2011-10-12 | 冠捷显示科技（厦门）有限公司 | Blank forming process for paper pulp molding product |
| CN103027460A (en) * | 2012-12-04 | 2013-04-10 | 青岛大学 | Method for preparing snack boxes by using soybean raw material |
| CN103027460B (en) * | 2012-12-04 | 2014-12-03 | 青岛大学 | Method for preparing snack boxes by using soybean raw material |
| CN107653752A (en) * | 2017-10-26 | 2018-02-02 | 台山市世亨包装材料有限公司 | A kind of Degradable environment protection antibacterial tableware and preparation method thereof |
| CN112144319A (en) * | 2019-06-28 | 2020-12-29 | 常州万兴纸塑有限公司 | Paper pallet molding product and preparation process thereof |
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