CN1117541C - Moulded snack set with paper pulp sandwich and its production - Google Patents
Moulded snack set with paper pulp sandwich and its production Download PDFInfo
- Publication number
- CN1117541C CN1117541C CN 98113114 CN98113114A CN1117541C CN 1117541 C CN1117541 C CN 1117541C CN 98113114 CN98113114 CN 98113114 CN 98113114 A CN98113114 A CN 98113114A CN 1117541 C CN1117541 C CN 1117541C
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- Prior art keywords
- layer
- pulp
- paper pulp
- slurry
- paper
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- 229920001131 Pulp (paper) Polymers 0.000 title claims abstract description 51
- 235000011888 snacks Nutrition 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000002002 slurry Substances 0.000 claims abstract description 18
- 238000000465 moulding Methods 0.000 claims abstract description 15
- 238000003672 processing method Methods 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 claims description 43
- 238000004659 sterilization and disinfection Methods 0.000 claims description 7
- 239000012752 auxiliary agent Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000009955 starching Methods 0.000 claims description 5
- 230000001954 sterilising effect Effects 0.000 claims description 5
- 239000011229 interlayer Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 241000609240 Ambelania acida Species 0.000 claims description 3
- 239000010905 bagasse Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 239000004033 plastic Substances 0.000 abstract description 6
- 229920003023 plastic Polymers 0.000 abstract description 6
- 239000011087 paperboard Substances 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 8
- 239000010902 straw Substances 0.000 description 8
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 241000209140 Triticum Species 0.000 description 2
- 235000021307 Triticum Nutrition 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 241000722948 Apocynum cannabinum Species 0.000 description 1
- 241001343274 Dichrostachys spicata Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011012 sanitization Methods 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Paper (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
Abstract
The present invention relates to a paper-pulp sandwich moulding snack tool and a processing method, which solves the problems of high cost because plastics is replaced by paper boards and white pollution caused by foamed plastic snack boxes. The present invention provides the paper-pulp sandwich moulding snack tool which is divided into three layers, wherein the quality of paper pulp and assistant of the inner layer and the outer layer is higher than that of the middle layer; poor paper pulp is mixed in the middle layer. The processing method comprises a slurry transmitting process for respectively transmitting slurry to a slurry groove layer after layer and a slurry feeding process for respectively feeding slurry to mould heads in different slurry grooves. The processing method can fully utilize the performance and the superiority of each layer and has the advantages of high quality and low cost; thus, the present invention has great popularization value.
Description
The present invention is a kind of paper mould snack container and processing method thereof.
At present, solve main way that the foamed plastic snack container causes " white pollution " both at home and abroad and be and adopt degradation plastic and mould with paper generation, mould because raw material bid costliness with paper generation, and be difficult to promote; The natural material degradables such as starch that degradation plastic just adds, and wherein the synthetic high polymer plastics still can not be degraded.At present popular is the paper mould moulding, patent application one class of domestic relevant paper mould snack container only relates to snack container profile structure, the another kind of manufacture method that relates to, as CN1116260A, CN1152426A, CN1145378A etc. all is spraying or pouring film one deck water-resistant paint on paper pulp or fiber surface, these coating majorities are nondegradable polymer, therefore can not thoroughly eliminate the pollution to environment.The patent of external relevant paper pulp moulded container is a lot, comparatively approaching with the application, wherein US4132951 has discussed the ectonexine structure, internal layer is the dispersible polyalkenes fiber of waterproof, skin is mixed the mixed layer of joining the polyalkenes fiber for cellulosic fibre, wherein US5431784 and US3619353 etc. have related to multilayer paper pulp molded articles, and the former constitutes molding top layer and two layers of supporting layer with the different particle of diameter, and the latter constitutes two-layer by basic unit or thickening layer.In sum, the common ground of relevant paper mould snack container patent is to form whole layer or a plurality of sublevel by a kind of paper pulp both at home and abroad, perhaps form whole layer or a plurality of sublevel by multiple similar paper pulp (mainly being the similar paper pulp of whiteness) mixing, the batching of each adjacent layer is similar substantially with auxiliary agent, it almost is even distribution, this irrational mix can not be given full play to superiority, and cost is than higher.
The objective of the invention is to propose the manufacture method of a kind of paper pulp sandwich moulding tableware and this tableware, reduce cost, improve the purpose of performance to reach.
Though the characteristics of paper pulp sandwich moulding snack container provided by the invention be the profile structure of snack container and surfaces externally and internally how, the cross section of its material is an interlayer, in interlayer is divided into substantially, in, outer three main stor(e)ies, can be provided with a plurality of sublevels in each main stor(e)y, another characteristics are that batching or the distribution of auxiliary agent are incomplete same in above-mentioned each adjacent main stor(e)y or the boundary layer, be between the adjacent main stor(e)y, have at least the sublevel (or whole layer) in the adjacent main stor(e)y of a sublevel (or whole layer) inequality in the main stor(e)y with another, every main stor(e)y (or boundary layer) inside can be that a kind of slurry constitutes whole layer or a plurality of sublevel, also can be to mix by multiple slurry to constitute whole layer or a plurality of sublevel, perhaps do not mix and constitute a plurality of sublevels, the paper pulp of non-conterminous main stor(e)y might be identical or inequality, that is to say, the pulp quality index in intermediate layer is inferior to ectonexine, ectonexine constitutes thin top layer for medium and high-grade paper pulp, to improve appearance property, the intermediate layer constitutes thick supporting layer by low and middle-grade paper pulp, to increase bulk strength, in each layer, can add waterproof and oilproof auxiliary agent identical or inequality, the waterproof and oilproof auxiliary dosage of ectonexine is big, the waterproof and oilproof auxiliary dosage in intermediate layer is smaller, even the intermediate layer can be without the waterproof and oilproof auxiliary agent, such structure can reach and reduce cost, and improves the purpose of quality.Above-mentioned different paper pulp had both referred to the physical property (whiteness, intensity, fibre length, fiber width etc.) and chemical property (cellulose, lignin, the content of cellulose) difference of paper pulp refer to the source and the manufacture method difference of starching again.Float slurry (not bleached pulp), mechanical pulp and chemical pulp, wood pulp and straw pulp, softwood pulp and expansion leaf wood pulp, magma and secondary stock as bleached pulp and true qualities, and different straw pulp: wheat straw, straw, bagasse, cornstalk, bluish dogbane, reed, reed pulp all are visibly different slurries.The different range of judging the paper pulp kind with the whiteness index of slurry is: high-grade pulp brightness 〉=75%, middle-grade pulp brightness 〉=65% and＜75%, low-grade pulp brightness＜65%, in the same class pulp brightness differ 〉=5% be considered as different paper pulp.If whiteness is identical, be the differentiation standard then with other index, all belong to different paper pulp as mechanical pulp with chemical pulp, wood pulp and straw pulp, magma and secondary stock etc.
In order to reach the said structure characteristics, the method for manufacturing paper pulp sandwich moulding tableware provided by the present invention is divided into two kinds:
(1) in stock tank, send the slurry flow process respectively as shown in Figure 1 according to layer;
Accompanying drawing 1 explanation:
A-pull an oar respectively, and adding assistant by different paper pulp;
B-positive/negative pressure; C-horizontal movement; D-move both vertically;
1-outer stock tank; 2-middle level stock tank; 3-internal layer stock tank;
4-flow to distributor; 5-stock tank; 6-mould head;
7-take off the groove device; 8-drying; 9-sterilization check;
10-finished product.
(2) the mould head is distinguished the starching flow process as shown in Figure 2 in different stock tanks.
Accompanying drawing 2 explanations:
A-pull an oar respectively, and the adding assistant different reserve pits of packing into by different paper pulp;
B-positive/negative pressure; C-horizontal movement; D-move both vertically;
1-outer stock tank; 2-middle level stock tank; 3-internal layer stock tank;
4-mould head; 5-take off the groove device; 6-drying;
7-sterilization check; 8-finished product;
Mould can be placed on the stock tank below of opening wide the end, mould is horizontal setting as required, also can tilt or positioned vertical, first kind of flow process is to be to pull an oar respectively by different paper pulp in outer stock tank, middle level stock tank and the internal layer stock tank at three stock tanks, and adding assistant, utilization flows to distributor and send slurry respectively according to layer in stock tank then, sends into the moulding of mould head again, becomes finished product through stripper, drying, sterilization, check at last; Second kind of flow process is to pull an oar respectively and the adding assistant different reserve pits of packing into by different paper pulp, and the mould head is starching moulding respectively in different stock tanks, becomes finished product through stripper, drying, sterilization, check at last.
Model tableware processing method provided by the present invention, can give full play to the performance advantage of each interlayer of model tableware, improve performance to reach, the purpose that reduces cost, thereby have utilization and promotional value preferably, also can be used as the paper pulp moulded container tool of dinnerware or other other purposes of type.
Paper pulp sandwich moulding mess-tin, in three main stor(e)ies, the paper pulp in intermediate layer is the mechanical straw pulp (whiteness of slurry＜65%; The slurry source can be non-wood fibrous raw materials such as bagasse, straw, wheat straw, and consumption is the 92%-8% of total weight of fiber in the product; Inside and outside two-layer be the slurry of whiteness＞65%, consumption is the 8%-92% of total weight of fiber in the product.Add amount of auxiliary＜15%, filler＜50%, adopt the moulding of common paper pulp mold apparatus, feed way is pressed accompanying drawing 1 mode, and cutlery box is of a size of: long 15-25cm, wide 4-6cm, high 3-5cm.
The process equipment of the paper mould cutlery box described in the foregoing description 1 is with common paper pulp mold apparatus, and mould can design according to product requirement, and feed way is pressed accompanying drawing 2 modes, with mould head starching flow process respectively in different stock tanks.
As the paper pulp groundwood pulp in intermediate layer as described in the example 1, the slurry source can be needlebush or leaf wood, and other condition is identical with example 1.
Use secondary stock through sanitized such as sterilizations as the paper pulp in intermediate layer as described in the example 1, other condition is identical with example 1.
Claims (6)
1, a kind of paper pulp sandwich moulding snack container, it is characterized in that the tableware material therefor by interior, in, outer three main stor(e)ies constitute interlayer, in the main stor(e)y one or more sublevels can be arranged, in the adjacent main stor(e)y or the distribution of the batching of boundary layer or auxiliary agent inequality, sublevel in sublevel in arbitrary main stor(e)y or whole layer and the adjacent main stor(e)y or whole layer batching or auxiliary agent are inequality, and the pulp quality in intermediate layer and ectonexine paper pulp quality are inequality.
2, according to the tableware described in the claim 1, the intermediate layer by in, low-grade paper pulp constitutes thicker supporting layer, inside and outside layer constitutes thin top layer by high, middle-grade paper pulp.
3,, it is characterized in that its material is mechanical pulp, chemical pulp according to the tableware described in the claim 1.
4, according to the tableware described in the claim 1, it is characterized in that the material in tableware intermediate layer can be made of bagasse thermomechanical pulp or chemi-mechanical pulp, inside and outside layer is not less than 65% paper pulp by whiteness and constitutes.
5, a kind of method of making the tableware described in the claim 1 is characterized in that processing method comprises in stock tank according to layer to send slurry respectively, sends into the moulding of mould head again, after the demoulding, drying, sterilization become finished product.
6, a kind of method of making the tableware described in the claim 1, it is characterized in that processing method is to pull an oar respectively and the adding assistant reserve pit of packing into by different paper pulp, the mould head is respectively starching moulding in different stock tanks, after the demoulding, drying, sterilization become finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98113114 CN1117541C (en) | 1998-01-20 | 1998-01-20 | Moulded snack set with paper pulp sandwich and its production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98113114 CN1117541C (en) | 1998-01-20 | 1998-01-20 | Moulded snack set with paper pulp sandwich and its production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1205857A CN1205857A (en) | 1999-01-27 |
| CN1117541C true CN1117541C (en) | 2003-08-13 |
Family
ID=5222881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98113114 Expired - Fee Related CN1117541C (en) | 1998-01-20 | 1998-01-20 | Moulded snack set with paper pulp sandwich and its production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1117541C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635014A (en) * | 2012-04-12 | 2012-08-15 | 银川市富邦印刷包装有限公司 | Complex-structured paper pulp molded product as well as preparation method and application thereof |
| CN104499352B (en) * | 2014-12-25 | 2017-05-10 | 江南大学 | Double-layer grouting paper pulp molding product and molding process thereof |
| CN111395053A (en) * | 2020-03-13 | 2020-07-10 | 山东蓝沃环保餐具有限公司 | Double-color mixed fiber dinner plate shaping mold of double-pulp supply system and using method thereof |
-
1998
- 1998-01-20 CN CN 98113114 patent/CN1117541C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1205857A (en) | 1999-01-27 |
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