CN1340442A - Paper and plastics combined packing bag and its making technology - Google Patents
Paper and plastics combined packing bag and its making technology Download PDFInfo
- Publication number
- CN1340442A CN1340442A CN 00123728 CN00123728A CN1340442A CN 1340442 A CN1340442 A CN 1340442A CN 00123728 CN00123728 CN 00123728 CN 00123728 A CN00123728 A CN 00123728A CN 1340442 A CN1340442 A CN 1340442A
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- paper
- plastics
- packing bag
- combined packing
- compound machine
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Abstract
A composite paper-plastic bag as package is made up through coating adhesive on the synthetic pp paper and adhering it onto the surface of braided polyacrylic bag. Its advantages are low cost, excellent printability, water-proofing nature, durability and toughness.
Description
The invention belongs to packing material and making field, particularly packaging bag and making thereof.
Present packaging bag mainly contains the papery packaging bag and moulds the volume packaging bag, the former has printing, but water-proofness and poor toughness, the latter has toughness and durability preferably, and printing is relatively poor, the packaging bag that has a kind of pp synthetic paper and acrylic plastering to be synthesized together by wet type at present, though have the papery packaging bag and mould the common advantage of volume packaging bag, but its making apparatus and complex process, the cost height can not be produced and use widely.
Purpose of the present invention just provides a kind of paper and plastics combined packing bag of economy, has superior printing characteristics, water-proofness, durability and toughness, and its manufacture craft is simple, and cost is low.
The object of the present invention is achieved like this: a kind of manufacture craft of paper and plastics combined packing bag, adopt dry compound machine to finish recombination process, be about to the coating parts coated with adhesive of pp synthetic paper at dry compound machine, the bonding part of the pp synthetic paper that will scribble adhesives again by dry compound machine is bonded in polypropylene plastics and compiles the bag surface.
Above-mentioned adhesives is that two component polyurethane melts agent.
Above-mentioned two component polyurethane melts agent to be made up of polyurethane resin and different hydrogen acid ether (hydrogen acid ester).
A kind of paper and plastics combined packing bag that adopts above-mentioned technology to make synthesizes by dry compound machine and compiles a bag surface at the finished product polypropylene plastics and form by scribbling finished product pp synthetic paper that two component polyurethane melts agent.
Above-mentioned paper and plastics combined packing bag is specially adapted to the packing and the transmission of postal article.
Manufacture craft of the present invention adopts dry compound machine dexterously pp synthetic paper and polypropylene plastics volume bag to be bonded into one, because the dry compound machine cost is significantly less than the synthetic wet type synthesizer of curtain coating, so not only technology is simple for this technology, and cost of manufacture greatly reduces, therefore made paper and plastics combined packing bag also has economic cheap characteristics, and this technology can also keep the characteristics and the polypropylene plastics of pp synthetic paper superior printing characteristics, water-proofness, durability and compile original good durability of bag and toughness.
The present invention is further illustrated below in conjunction with embodiment.
Embodiment: a kind of manufacture craft of paper and plastics combined packing bag, adopt dry compound machine to finish recombination process, being about to the pp synthetic paper coats two component polyurethane at the coating parts of dry compound machine and melts agent, to scribble pp synthetic paper that two component polyurethane the melts agent bonding part by dry compound machine again and be bonded in polypropylene plastics and compile a bag outside face, above-mentioned technological process can be finished at normal temperatures and pressures.Also can compile bag surfaces externally and internally bonding pp synthetic paper simultaneously at polypropylene plastics.
The paper and plastics combined packing bag that adopts above-mentioned technology to make, bonding pp synthetic paper forms on the surface of former polypropylene plastics volume bag, the two organically combines by dry compound machine and adhesives and is one, all advantages that kept the synthetic paper and plastics combined packing bag of wet type synthesis technique fully, have simultaneously cost low, make simple advantage.
The paper and plastics combined packing bag that dry type synthesis technique of the present invention is made has above-mentioned advantage, make the paper and plastics combined packing bag make be specially adapted to the packing and the transmission of widely used postal article, can replace the chest of mailbag, cloth bag and other mail items that common parcel post uses fully.Also can be used for other fields such as food, medicine, agricultural, chemical industry, oil.
Claims (5)
1. the manufacture craft of a paper and plastics combined packing bag, adopt dry compound machine to finish recombination process, be about to the coating parts coated with adhesive of pp synthetic paper at dry compound machine, the bonding part of the pp synthetic paper that will scribble adhesives again by dry compound machine is bonded in polypropylene plastics and compiles the bag surface.
2. the manufacture craft of paper and plastics combined packing bag according to claim 1 is characterized in that described adhesives is that two component polyurethane melts agent.
3. the manufacture craft of paper and plastics combined packing bag according to claim 1 and 2 is characterized in that described two component polyurethane melts agent and is made up of polyurethane resin and different hydrogen acid ether (hydrogen acid ester).
4. paper and plastics combined packing bag that adopts the described technology of claim 1 to make synthesizes by dry compound machine and compiles a bag surface at the finished product polypropylene plastics and form by scribbling finished product pp synthetic paper that two component polyurethane melts agent.
5. paper and plastics combined packing bag according to claim 4 is used for the packing and the transmission of postal article.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001237284A CN1187226C (en) | 2000-09-01 | 2000-09-01 | Paper and plastics combined packing bag and its making technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001237284A CN1187226C (en) | 2000-09-01 | 2000-09-01 | Paper and plastics combined packing bag and its making technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1340442A true CN1340442A (en) | 2002-03-20 |
| CN1187226C CN1187226C (en) | 2005-02-02 |
Family
ID=4590085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001237284A Expired - Fee Related CN1187226C (en) | 2000-09-01 | 2000-09-01 | Paper and plastics combined packing bag and its making technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1187226C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100385073C (en) * | 2006-05-22 | 2008-04-30 | 沈阳建筑大学 | Method for making waterproof writing paper |
| CN110027291A (en) * | 2018-01-11 | 2019-07-19 | 广东昂斯新材料技术有限公司 | A kind of packages printing TPU paper jam and its preparation process |
-
2000
- 2000-09-01 CN CNB001237284A patent/CN1187226C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100385073C (en) * | 2006-05-22 | 2008-04-30 | 沈阳建筑大学 | Method for making waterproof writing paper |
| CN110027291A (en) * | 2018-01-11 | 2019-07-19 | 广东昂斯新材料技术有限公司 | A kind of packages printing TPU paper jam and its preparation process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1187226C (en) | 2005-02-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |