CN101323690A - PP modified plastic for battle cap - Google Patents
PP modified plastic for battle cap Download PDFInfo
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- CN101323690A CN101323690A CNA2008101348558A CN200810134855A CN101323690A CN 101323690 A CN101323690 A CN 101323690A CN A2008101348558 A CNA2008101348558 A CN A2008101348558A CN 200810134855 A CN200810134855 A CN 200810134855A CN 101323690 A CN101323690 A CN 101323690A
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Abstract
The invention relates to a PP modified plastic used for a bottle cap, in particular to a PP modified plastic used for manufacturing a wine bottle cap, pertaining to the field of engineering plastics. The formula for manufacturing the PP modified plastic includes the following materials by weight percentage:75 percent to 95 percent of PP plastic, 5 percent to 20 percent of fill-matrix material, 1 percent to 5 percent of TPE, 0 percent to 3 percent of color master batch and 0.2 percent to 1.5 percent of dispersant, wherein, the PP plastic is general-purpose injection grade polypropylene; the fill-matrix material is fill-matrix material used in PP; the TPE is a thermoplastic elastomer and the dispersant is a liquid dispersant. By utilizing the PP modified plastic of the invention, the cost for manufacturing the bottle cap can be reduced and the anti-aging property of the bottle cap can also be improved.
Description
Technical field
The present invention relates to a kind of PP modified plastic for battle cap, particularly a kind of PP modified plastics that is used to make the bottle lid belongs to the engineering plastics Application Areas.
Background technology
Current, use the PP plastics, be that polypropylene (industry common name) is made the bottle lid, be technology common in the industry.But bottle lid enterprise is to be that bottle cap is produced in the direct injection moulding of starting material with pure PP, and mostly the mould of bottle cap is according to the shrinking percentage design of ABS; Because shrinkage ratio ABS is big during the PP injection moulding, therefore, in die design, can not finely solve under the big problem prerequisite of PP injection moulding shrinkability, the big problem of shrinkage ratio ABS is particularly important when solving the PP injection moulding by material modification, therefore, do not reducing under the product quality premise, solving this problem by the prescription modification.
Summary of the invention
The purpose of this invention is to provide a kind of PP modified plastic for battle cap, use this modified plastics, the big problem of shrinking percentage in the time of can solving the PP injection moulding can continue to use the bottle cap mould according to the shrinking percentage design of ABS, thereby reduces the cost of manufacture of bottle cap.
The concrete scheme of a kind of PP modified plastic for battle cap of the present invention is: a kind of PP modified plastic for battle cap, it is characterized in that, the making prescription of this PP modified plastics is: by weight percentage, and PP plastics 75%-95%, filling master batch 5%-20%, TPE 1%-5%, Masterbatch 0%-3%, dispersion agent 0.2%-1.5%.
Described PP plastics are universal injection grade polypropylenes; Described filling master batch is PP plastics filling master batchs; Described TPE is a thermoplastic elastomer; Described Masterbatch is the commercially available prod; Described dispersion agent is a liquid dispersant.
PP modified plastics of the present invention is owing to add a certain proportion of plastics of PP cheaply filling master batch; The big problem of shrinking percentage when having solved the PP injection moulding can continue to use the bottle cap mould according to the shrinking percentage design of ABS, thereby reduces the cost of manufacture of bottle cap.
1. mould and starting material use cost decline 500-1000 per ton unit.
2. than the environmental protection of ABS bottle cap.
Description of drawings
Fig. 1 is the process flow sheet of a kind of PP modified plastic for battle cap of the present invention.
Embodiment
Describe the present invention in detail below in conjunction with embodiment.Fig. 1 is the process flow sheet of a kind of PP modified plastic for battle cap of the present invention.The technical process of PP modified plastics as can be seen from Figure.
The prescription of making PP modified plastics of the present invention is by weight percentage, PP plastics (polypropylene) 75%-95%, PP plastic filler 5%-20%, TPE 1%-5%, Masterbatch 0%-3%, dispersion agent 0.2%-1.5%.
Above-mentioned filling master batch is the PP filling master batch, can be in order to be Lanzhou petrochemical industry F401 board; Above-mentioned TPE is the food grade thermoplastic elastomer, is used for improving the toughness of PP modified plastics.
Above-mentioned colour batch is the color material that filler is used; Described dispersion agent is a liquid, in order to help the dispersion of PP filling master batch and TPE.
According to the above ratio, present embodiment is selected for use: the PP plastic raw materials is that 80 kilograms, filling master batch are that 15 kilograms, TPE are that 2 kilograms, white master batch are that 2 kilograms, dispersion agent are 1 kilogram.
Undertaken by this technical process:
With the raw material of aforementioned proportion, by weight percentage,, be positioned in the container and mix one-tenth compound 1 1. earlier with PP plastics and filling master batch; 2. add TPE and the mixing of black Masterbatch and put into stirrer to this compound 1 again, high-speed stirring stirs, and becomes compound 2; 3., will put into dispersion agent in the mixture 2 again, high-speed stirring stirs, and becomes compound 3; 4. compound 3 is put into general dual-screw pelletizer granulation.Become the PP modified plastic for battle cap raw material of making of the present invention.The bottle lid is made in this kind granulation again.Referring to accompanying drawing 1.Existing installation and raw material that equipment that this technical process is used and raw material are the market regular supply, those skilled in the art can use and operate.
PP modified plastics of the present invention is owing to add a certain proportion of plastics of PP cheaply filling master batch; The big problem of shrinking percentage when having solved the PP injection moulding can continue to use the bottle cap mould according to the shrinking percentage design of ABS, thereby reduces the cost of manufacture of bottle cap.
Compare with the bottle cap that pure PP is plastic injection-moulded, the advantage of PP modifying material of the present invention has two:
1. the use cost decline 500-1000 per ton unit of starting material and bottle cap mould.
2. than the environmental protection of ABS bottle cap.
Present embodiment only is one of technical scheme that the present invention conceived, and allly conceives identical various technical schemes with the present invention, all within claim protection domain of the present invention.
Claims (2)
1. a PP modified plastic for battle cap is characterized in that, the making prescription of this PP modified plastics is: by weight percentage, and PP plastics 75%-95%, filling master batch 5%-20%, TPE 1%-5%, Masterbatch 0%-3%, dispersion agent 0.2%-1.5%.
2. according to the described a kind of PP modified plastic for battle cap of claim 1, it is characterized in that described PP plastics are universal injection grade polypropylenes; Described filling master batch is the PP filling master batch; Described TPE is a thermoplastic elastomer; Described dispersion agent is a liquid dispersant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101348558A CN101323690A (en) | 2008-08-04 | 2008-08-04 | PP modified plastic for battle cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101348558A CN101323690A (en) | 2008-08-04 | 2008-08-04 | PP modified plastic for battle cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101323690A true CN101323690A (en) | 2008-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101348558A Pending CN101323690A (en) | 2008-08-04 | 2008-08-04 | PP modified plastic for battle cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101323690A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967243A (en) * | 2010-09-29 | 2011-02-09 | 安徽兴源塑料包装有限公司 | High-toughness and high-brightness polyethylene bottle cap and manufacturing method thereof |
| CN102127303A (en) * | 2010-12-23 | 2011-07-20 | 宁波恒富汽车部件发展有限公司 | Injection molding method |
| CN104017263A (en) * | 2014-06-12 | 2014-09-03 | 东莞市金富实业有限公司 | High-strength/toughness plastic bottle cap and manufacturing process thereof |
| CN111019241A (en) * | 2019-12-21 | 2020-04-17 | 山东省药用玻璃股份有限公司 | Special modified formula for plastic cap plastic of anti-theft glass bottle |
-
2008
- 2008-08-04 CN CNA2008101348558A patent/CN101323690A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967243A (en) * | 2010-09-29 | 2011-02-09 | 安徽兴源塑料包装有限公司 | High-toughness and high-brightness polyethylene bottle cap and manufacturing method thereof |
| CN101967243B (en) * | 2010-09-29 | 2012-10-17 | 安徽兴源塑料包装有限公司 | High-toughness and high-brightness polyethylene bottle cap and manufacturing method thereof |
| CN102127303A (en) * | 2010-12-23 | 2011-07-20 | 宁波恒富汽车部件发展有限公司 | Injection molding method |
| CN104017263A (en) * | 2014-06-12 | 2014-09-03 | 东莞市金富实业有限公司 | High-strength/toughness plastic bottle cap and manufacturing process thereof |
| CN111019241A (en) * | 2019-12-21 | 2020-04-17 | 山东省药用玻璃股份有限公司 | Special modified formula for plastic cap plastic of anti-theft glass bottle |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20081217 |