CN1900419A - Baking foaming process for foam package material and making method - Google Patents
Baking foaming process for foam package material and making method Download PDFInfo
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- CN1900419A CN1900419A CN 200510085878 CN200510085878A CN1900419A CN 1900419 A CN1900419 A CN 1900419A CN 200510085878 CN200510085878 CN 200510085878 CN 200510085878 A CN200510085878 A CN 200510085878A CN 1900419 A CN1900419 A CN 1900419A
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Abstract
The present invention discloses baking equipment combining using microwave and other heat energy. It contains baking the mixed raw material packaged in mould using plant like as main material, the mixed material heated in mould and to generate steam pressure expanding and foaming agent gas releasing, sparkle moulding into foam packing material. Said method can realize plant like degradable pollutant packing high frothing percentage, rapid sparkle and saving energy source.
Description
The present invention relates to a kind of packing material, more specifically to a kind of plant class degradation-type foam package material.
At present, foam package material foaming plastotype all adopts the press fixed mould mold pressing plastotype that moves up and down.Heat distributes in a large number, and energy resource consumption is many, and the press work area is limited, yields poorly.Especially can not make string is the packing material that main material becomes high foaming plastotype, as the paper mould patent: 99202625.3.
The microwave technology foam package material production that is used to degrade, still beyond example can be examined.
The baking process method generally is used for sterilization, drying and the food production of material.
The present invention seeks to overcome deficiency of the prior art, it is that main mixed material is encapsulated in the mould that a kind of plant class powder that will contain blowing agent is provided, enter in the lump in the roasting plant of microwave and other heat energy and usefulness and be subjected to the heat foamable plastotype to make the method for foam package material after the baking, to realize the high foaming rate and the fast foaming of plant class degradable package thing.Make the reduction energy resource consumption, automated production is enhanced productivity becomes possibility.
The technical scheme that the present invention takes is: select for use one or more powder of vegetable materials such as tangerine bar, mao bamboon, wood chip, charcoal to mix, add foaming with starch-containing thing powder and polyvinyl alcohol powder, the mixed material of additive such as anticorrosion, crosslinked, fire-retardant and water, in the mould of certain tightness of packing into, be conveyed into the interior baking of roasting plant of microwave and other heat energy and usefulness.Baking foaming moulding at a certain temperature, foam package material is taken out in the output die sinking.It is characterized in that: plant class raw material is main compound, be encapsulated in the mould, enter the interior baking of roasting plant of microwave and other heat energy and usefulness, compound is under the baking heat in the mould, produce the expanded and blowing agent of vapour pressure and decompose and get angry, acting in conjunction and the plastotype that foams is a foam package material.
But the fixing and multilayer pressure mode of multilayer in described roasting plant drying tunnel mode of movement and baking oven, the drying room.
Described baking heat has: adopt the wherein a kind of mode of heating and the heating using microwave of heat-conducting oil heating, Steam Heating, heating wire heating, infrared lamp heating and use baking.
Described polyvinyl alcohol should adopt fine powder or the liquid of saponification degree below 97%.
Described mixed material should have certain moisture, looks the product difference and the moisture difference, and ordinary appliances class packing material mixed material moisture should be between the 60%--180% of total siccative, preferred 100-140%.Wrapping paper, sheet, film then water content more than 150%.
Described mould should have certain tightness, and male model and master mold should compress, and prevents that the gas that toasts the back generation from leaking in a large number.
Described blowing agent has blowing agents such as sodium bicarbonate, urea, toluene sulfonyl hydrazide and H series, consumption between 1-8%, preferred 3-4%.
Compared with prior art, the invention has the beneficial effects as follows:
1, to mention patrix thermal loss reinforced and that the demoulding is got in the goods process very big for existing press, the present invention can operate operations such as the demoulding of feeding in raw material outside drying tunnel, remain the even weighing apparatus of temperature in the drying tunnel, heat distributes less, according to the two contrast test, produce the product of equal number, energy savings is more than 50%.
2, adopt the baking method of microwave and other heat energy and usefulness, can accelerate expansion rate, reduce heat time heating time, enhance productivity about 10 times, the scale serialization is produced becomes possibility.
3, existing starch, fiber product, can only press firmly with frothing percentage below 5 times, be difficult to accomplish directly high foaming plastotype in mould, adopt the present invention can with frothing percentage near the frothing percentage of plastic foam reach 5-40 doubly more than.Suitable thickness differs, and the degree of depth is big, the production of articles of type shape complexity.
4, can produce imitative bamboo, imitative wooden packing thing, add charcoal and can produce protection against the tide, dry, help the quality protection of food, electronic product antistatic etc.Can produce the bubble wrap plate, bubble wrap paper, film, sheet etc.
Below in conjunction with embodiment the present invention is further described:
To produce electrical package is example:
(1) select for use plant fibrids such as tangerine bar, mao bamboon, wood chip, charcoal powder one or more, consumption between 10-60%, preferred 30-50%.
(2) select the polyvinyl alcohol powder consumption 10-40% of saponification degree below 97% for use, preferred 20-30%.
(3) select for use starch-containing thing as: wheat flour, pearling cone meal, corn flour, potato powder etc., preferably wheat powder, consumption are at 20-40%, preferred 30%.
(4) above various raw materials should be crushed to more than the 50 order fineness, and the toluene sulfonyl hydrazide foaming agent consumption is between 1-8%, and preferred 2-5% can regulate compatibility according to product-use and quality requirement, and mix in above amount ranges.Being equipped with an amount of blowing promotor, crosslinking agent, anticorrosion, waterproof, additive such as fire-retardant and 150% water more further mixes all even.
(5) above composite material is packed in the mould of certain tightness, fixedly upper and lower mould is sent into the drying tunnel baking of microwave and heat-conducting oil heating.Baking temperature should be at 80-230 ℃, preferred 100-150% ℃.
(6) go out drying tunnel, goods are taken out in die sinking, and the packing warehouse entry is a product.
(7) also can according to customer requirements product surface spray glue, flocking, paint and and other material compound.
Claims (5)
1, a kind of baking foaming process of foam package material and preparation method comprise that additives such as one or more powder of plant class raw materials such as tangerine bar, mao bamboon, wood chip, charcoal and polyvinyl alcohol, starch, blowing agent and water mix in the lump.Be encapsulated into mould, and send into drying tunnel, baking oven, drying room baking, foaming.It is characterized in that: mixed material is encapsulated in the mould, enters baking in the roasting plant of microwave and other heat energy and usefulness, and the compound in the mould produces the expanded and blowing agent of vapour pressure and gets angry under the baking heat, acting in conjunction and the plastotype that foams.
2,, it is characterized in that roasting plant is that drying tunnel mode of movement and baking oven, the interior multilayer of drying room are fixed and the multilayer pressure type according to the baking foaming process and the preparation method of the described a kind of foam package material of claim 1.Adopt a kind of and heating using microwave of conduction oil, steam, electric heating, infrared lamp mode of heating and, also two kinds of heat energy can be pressed succession segmentation heated baking with baking.Baking temperature should be at 80-230 ℃, preferred 100-150% ℃.
3, according to the baking foaming process and the preparation method of claims 1 described a kind of foam package material, adopt the polyvinyl alcohol of saponification degree below 97%, solid need be ground into powder, liquidly then can directly be mixed in other raw material.
4, according to the baking foaming process and the preparation method of claims 1 described a kind of foam package material, moisture should have certain moisture according to the different product requirement in the mixed material mutually.Moisture is more than 60% of total siccative, and bubble wrap sheet, paper, water content of membrane are then more than 150%.
5, according to the baking foaming process and the preparation method of claims 1 described a kind of foam package material, mould should have certain tightness, and compresses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510085878 CN1900419A (en) | 2005-07-19 | 2005-07-19 | Baking foaming process for foam package material and making method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510085878 CN1900419A (en) | 2005-07-19 | 2005-07-19 | Baking foaming process for foam package material and making method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1900419A true CN1900419A (en) | 2007-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510085878 Pending CN1900419A (en) | 2005-07-19 | 2005-07-19 | Baking foaming process for foam package material and making method |
Country Status (1)
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| CN (1) | CN1900419A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790268A (en) * | 2015-01-22 | 2015-07-22 | 谷照林 | Expansion type paperboard manufacturing technology and equipment |
| CN106142424A (en) * | 2015-03-27 | 2016-11-23 | 林沛缇 | Foaming vessel manufacture method |
-
2005
- 2005-07-19 CN CN 200510085878 patent/CN1900419A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790268A (en) * | 2015-01-22 | 2015-07-22 | 谷照林 | Expansion type paperboard manufacturing technology and equipment |
| CN106142424A (en) * | 2015-03-27 | 2016-11-23 | 林沛缇 | Foaming vessel manufacture method |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Open date: 20070124 |