CN102408603B - Particle material for producing beer and beverage crown cap polyolefin gasket and preparation method thereof - Google Patents
Particle material for producing beer and beverage crown cap polyolefin gasket and preparation method thereof Download PDFInfo
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- CN102408603B CN102408603B CN 201110221740 CN201110221740A CN102408603B CN 102408603 B CN102408603 B CN 102408603B CN 201110221740 CN201110221740 CN 201110221740 CN 201110221740 A CN201110221740 A CN 201110221740A CN 102408603 B CN102408603 B CN 102408603B
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Abstract
The invention relates to a particle material for producing a beer and beverage crown cap polyolefin gasket and a preparation method thereof. The material of the crown cap gasket for beer and beverage is mostly prepared from a polrvinyl chloride; and because the material of the crown cap gasket for beer and beverage contains a plasticizer, a stabilizer, vinyl chloride monomer residue in polrvinyl chloride and the like, the edible safety problem exists. The particle material is prepared by the following steps: mixing the following raw materials in parts by weight: 58.1-72.5 parts of low density polyethylene, 18.2-39.4 parts of thermoplastic elastomer, 2.5-8.5 parts of antioxidant master batch and 0-0.8 part of coloring master batch; and then extruding, granulating, water cooling, screening and drying; and finally cooling to form the particle material finished product. According to the invention, a safe material is adopted to replace an limited material, thus edible safety is ensured, and the particle material also has the advantage of good environmentally-friendly property and is beneficial to human body health, and food package amount is greatly reduced.
Description
Technical field
The invention belongs to the packaging material for food technical field, be specifically related to a kind of pellet for the production of beer, beverage crown cap polyolefin gasket and preparation method thereof.
Background technology
At present, Domestic Beer, the beverage material of Metal Crown Lid pad, most of polyvinyl chloride (PVC) material of using.Owing to contain vinyl chloride monomer residual quantity among softening agent such as phthalate, stablizer and the PVC etc. in its composition, it is the chemical substance that European Union's packaging material for food limits and pays close attention to.European Union has promulgated the 2007/19/EC instruction on the basis of 2007/72/EC instruction, the chemical of packaging material for food is assessed and controlled: stipulated that adjacent benzoic ether material as the softening agent aqueous food that is used for to limit the quantity of only, is not useable for oily food.The 94/62/EC of European Union instruction: substitute restriction or suspicious material with safe material.The vinyl chloride monomer of PVC be listed in food, medicine and with food product pack that children contact in the material that uses that limits.The vinyl chloride monomer that 78/142/EEC once was given for foodstuffs material is limited in below the 0.701mg/kg.Therefore, for fear of risk, the enterprise of European Union mostly adopts safe, low-risk material.Simultaneously, also there is the problem of halogen contaminate environment in the PVC material in waste product is disposed, and its use is subject to strict restriction.
Summary of the invention
The purpose of this invention is to provide a kind of much cleaner, the Environmental-protection comprehensive performance is better, sealing property is better for the production of pellet of beer, beverage crown cap polyolefin gasket and preparation method thereof.
The technical solution adopted in the present invention is:
Pellet for the production of beer, beverage crown cap polyolefin gasket is characterized in that: pellet is comprised of the component of following parts by weight:
58.1～72.5 parts of Low Density Polyethylenes
18.2～39.4 parts of thermoplastic elastomers
2.5～8.5 parts of oxidation inhibitor masterbatch.
The component that also includes following parts by weight in the described prescription:
0～0.8 part of color concentrate.
Described thermoplastic elastomer is the block copolymer SBS 796 of vinylbenzene and divinylic monomer.
The described oxidation inhibitor masterbatch grain forming thing that the component of following massfraction forms through extrusion molding of serving as reasons:
Phenolic antioxidant 1,010 7.6%
Low Density Polyethylene 84.8%
Polyethylene wax 1.7%
Talcum powder 5.9%.
The described color concentrate grain forming thing that the component of following massfraction forms through extrusion molding of serving as reasons:
Rutile type Titanium Dioxide 65%
Linear low density polyethylene 32%
Polyethylene wax 2%
Stearic acid 1%.
Pellet for the production of beer, beverage crown cap polyolefin gasket is characterized in that:
Pellet is comprised of the component of following parts by weight:
65.3 parts of Low Density Polyethylenes
796 28.8 parts of the block copolymer SBS of vinylbenzene and divinylic monomer
5.5 parts of oxidation inhibitor masterbatch
0.4 part of color concentrate;
Wherein, the oxidation inhibitor masterbatch grain forming thing that the component of following massfraction forms through extrusion molding of serving as reasons:
Phenolic antioxidant 1,010 7.6%
Low Density Polyethylene 84.8%
Polyethylene wax 1.7%
Talcum powder 5.9%;
The color concentrate grain forming thing that the component of following massfraction forms through extrusion molding of serving as reasons:
Rutile type Titanium Dioxide 65%
Linear low density polyethylene 32%
Polyethylene wax 2%
Stearic acid 1%.
The preparation method for the production of the pellet of beer, beverage crown cap polyolefin gasket as described is characterized in that:
Realized by following steps:
Step 1: with the Low Density Polyethylene of 58.1～72.5 weight parts, the thermoplastic elastomer of 18.2～39.4 weight parts, the oxidation inhibitor masterbatch of 2.5～8.5 weight parts and the color concentrate of 0～0.8 weight part, disperse to form compound in cooling mixing machine, mixing time is 10～15min;
Step 2: the compound that step 1 is obtained joins the twin screw extruder plasticizing, extrudes pelletizing through head, and extrusion temperature is 110 ℃～170 ℃; Afterwards, synchronously water cooling under 40 ℃～50 ℃ temperature condition, the sieve that sieves removes the particle less than 3mm, and dry under 70 ℃～90 ℃ temperature condition again, cooling forms pellet under 30 ℃～40 ℃ temperature condition at last.
Described thermoplastic elastomer is the block copolymer SBS 796 of vinylbenzene and divinylic monomer;
The described oxidation inhibitor masterbatch grain forming thing that the component of following massfraction forms through extrusion molding of serving as reasons:
Phenolic antioxidant 1,010 7.6%
Low Density Polyethylene 84.8%
Polyethylene wax 1.7%
Talcum powder 5.9%;
The described color concentrate grain forming thing that the component of following massfraction forms through extrusion molding of serving as reasons:
Rutile type Titanium Dioxide 65%
Linear low density polyethylene 32%
Polyethylene wax 2%
Stearic acid 1%.
Pellet for the production of beer, beverage crown cap polyolefin gasket is characterized in that:
Realized by following steps:
Step 1: with the Low Density Polyethylene of 65.3 weight parts, 28.8 parts vinylbenzene and the block copolymer SBS 796 of divinylic monomer, the oxidation inhibitor masterbatch of 5.5 weight parts, the color concentrate of 0.4 weight part, disperse to form compound in cooling mixing machine, mixing time is 12min;
Wherein, the oxidation inhibitor masterbatch grain forming thing that the component of following massfraction forms through extrusion molding of serving as reasons:
Phenolic antioxidant 1,010 7.6%
Low Density Polyethylene 84.8%
Polyethylene wax 1.7%
Talcum powder 5.9%;
The color concentrate grain forming thing that the component of following massfraction forms through extrusion molding of serving as reasons:
Rutile type Titanium Dioxide 65%
Linear low density polyethylene 32%
Polyethylene wax 2%
Stearic acid 1%;
Step 2: the compound that step 1 is obtained joins the twin screw extruder plasticizing, extrudes pelletizing through head, and extrusion temperature is 140 ℃; Afterwards, synchronously water cooling under 45 ℃ of temperature condition, the sieve that sieves removes the particle less than 3mm, and dry under 80 ℃ of temperature condition again, cooling forms pellet under 35 ℃ of temperature condition at last.
The present invention has the following advantages:
The polyolefin pad that the present invention produces and polyolefin pad tamanori support the use, and have solved the bonding between the iron covering of the polyolefin pad of Metal Crown Lid and zinc-plated or chromium plating, the problem of content stopping property; Realized that simultaneously former system lid Shooting Technique is constant, and adopted substituting smoothly of plastics on new materials, solved polyolefin pad pellet dependence on import, problem that cost is higher, promoted beer, beverage with the promotion and application of crown cap polyolefin gasket.The present invention adopts polyolefin pad to substitute the PVC material, not only solved the chemical substance that European Union is in the material institute and limit and pay close attention at PVC: the vinyl chloride monomer residual quantity of softening agent, stablizer, PVC, and PVC halogen environmental pollution problem in the waste product disposal; About every weight of polyolefin pad 0.2 gram, with respect to about every heavy 0.3 gram of PVC pad, weight reduces 1/3, meets the 94/62/EC of European Union instruction to the requirement of Packaging Reduce simultaneously.Therefore the present invention have environmental-protecting performance good, be conducive to HUMAN HEALTH and the Packing Unit advantage such as alleviate, economize on resources.
Embodiment
The present invention will be described in detail below in conjunction with embodiment.
Pellet for the production of beer, beverage crown cap polyolefin gasket of the present invention is comprised of the component of following parts by weight:
58.1～72.5 parts of Low Density Polyethylenes
18.2～39.4 parts of thermoplastic elastomers
2.5～8.5 parts of oxidation inhibitor masterbatch.
0～0.8 part of color concentrate.
Wherein, Low Density Polyethylene is as raw material take polymer grade ethylene, initiation by oxygen or organo-peroxide compound, under 200 ℃～300 ℃ temperature condition and 1000～3500 atmospheric pressure conditions, ethene carries out radical polymerization, the Low Density Polyethylene LD607 that makes, its relative density is 0.910～0.925.
Thermoplastic elastomer is the block copolymer SBS 796 of vinylbenzene and divinylic monomer.Thermoplastic elastomer shows caoutchouc elasticity at normal temperatures, at high temperature can show again the plasticity-of thermoplastics, can adopt the working method identical with general-purpose plastics to carry out moulding, has the essential characteristic of rubber and plastics concurrently.
The oxidation inhibitor masterbatch grain forming thing that the component of following massfraction forms through extrusion molding of serving as reasons:
Phenolic antioxidant 1,010 7.6%
Low Density Polyethylene 84.8%
Polyethylene wax 1.7%
Talcum powder 5.9%.
The oxidation inhibitor masterbatch can delay or suppress polyethylene oxidative degradation, and the effective constituent of phenolic antioxidant 1010 is four-[3-(3,5 di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol ester.
Color concentrate is comprised of the component of following massfraction:
Rutile type Titanium Dioxide 65%
Linear low density polyethylene 32%
Polyethylene wax 2%
Stearic acid 1%;
The preparation method of the pellet for the production of beer, beverage crown cap polyolefin gasket of the present invention is realized by following steps:
Embodiment 1:
For the production of pellet and the preparation method of beer, beverage crown cap polyolefin gasket, composite and extrusion granulating forms by the raw material of parts by weight meter:
Pellet is comprised of the component of following parts by weight:
58.1 parts of Low Density Polyethylenes
796 39.4 parts of the block copolymer SBS of vinylbenzene and divinylic monomer
2.5 parts of oxidation inhibitor masterbatch
Wherein, the oxidation inhibitor masterbatch grain forming thing that the component of following massfraction forms through extrusion molding of serving as reasons:
Phenolic antioxidant 1,010 7.6%
Low Density Polyethylene 84.8%
Polyethylene wax 1.7%
Talcum powder 5.9%;
Step 1: said mixture is disperseed to form compound in cooling mixing machine, and mixing time is 10min;
Step 2: the compound that step 1 is obtained joins the twin screw extruder plasticizing, extrudes pelletizing through head, and extrusion temperature is 110 ℃; Afterwards, synchronously water cooling under 40 ℃ of temperature condition, the sieve that sieves removes the particle less than 3mm, and dry under 70 ℃ of temperature condition again, cooling forms pellet under 30 ℃ of temperature condition at last.
Embodiment 2:
For the production of pellet and the preparation method of beer, beverage crown cap polyolefin gasket, composite and extrusion granulating forms by the raw material of parts by weight meter:
Pellet is comprised of the component of following parts by weight:
65.3 parts of Low Density Polyethylenes
796 28.8 parts of the block copolymer SBS of vinylbenzene and divinylic monomer
5.5 parts of oxidation inhibitor masterbatch
0.4 part of color concentrate
Wherein, the oxidation inhibitor masterbatch grain forming thing that the component of following massfraction forms through extrusion molding of serving as reasons:
Phenolic antioxidant 1,010 7.6%
Low Density Polyethylene 84.8%
Polyethylene wax 1.7%
Talcum powder 5.9%;
Color concentrate is comprised of the component of following massfraction:
Rutile type Titanium Dioxide 65%
Linear low density polyethylene 32%
Polyethylene wax 2%
Stearic acid 1%;
Step 1: said mixture is disperseed to form compound in cooling mixing machine, and mixing time is 12min;
Step 2: the compound that step 1 is obtained joins the twin screw extruder plasticizing, extrudes pelletizing through head, and extrusion temperature is 140 ℃; Afterwards, synchronously water cooling under 45 ℃ of temperature condition, the sieve that sieves removes the particle less than 3mm, and dry under 80 ℃ of temperature condition again, cooling forms pellet under 35 ℃ of temperature condition at last.
Embodiment 3:
For the production of pellet and the preparation method of beer, beverage crown cap polyolefin gasket, composite and extrusion granulating forms by the raw material of parts by weight meter:
Pellet is comprised of the component of following parts by weight:
72.5 parts of Low Density Polyethylenes
796 18.2 parts of the block copolymer SBS of vinylbenzene and divinylic monomer
8.5 parts of oxidation inhibitor masterbatch
0.8 part of color concentrate
Wherein, the oxidation inhibitor masterbatch grain forming thing that the component of following massfraction forms through extrusion molding of serving as reasons:
Phenolic antioxidant 1,010 7.6%
Low Density Polyethylene 84.8%
Polyethylene wax 1.7%
Talcum powder 5.9%;
Color concentrate is comprised of the component of following massfraction:
Rutile type Titanium Dioxide 65%
Linear low density polyethylene 32%
Polyethylene wax 2%
Stearic acid 1%;
Step 1: said mixture is disperseed to form compound in cooling mixing machine, and mixing time is 15min;
Step 2: the compound that step 1 is obtained joins the twin screw extruder plasticizing, extrudes pelletizing through head, and extrusion temperature is 170 ℃; Afterwards, synchronously water cooling under 50 ℃ of temperature condition, the sieve that sieves removes the particle less than 3mm, and dry under 90 ℃ of temperature condition again, cooling forms pellet under 40 ℃ of temperature condition at last.
Claims (7)
1. for the production of the pellet of beer, beverage crown cap polyolefin gasket, it is characterized in that: pellet is comprised of the component of following parts by weight:
58.1～72.5 parts of Low Density Polyethylenes
18.2～39.4 parts of thermoplastic elastomers
2.5～8.5 parts of oxidation inhibitor masterbatch;
The described oxidation inhibitor masterbatch grain forming thing that the component of following massfraction forms through extrusion molding of serving as reasons:
Phenolic antioxidant 1,010 7.6%
Low Density Polyethylene 84.8%
Polyethylene wax 1.7%
Talcum powder 5.9%.
2. the pellet for the production of beer, beverage crown cap polyolefin gasket according to claim 1 is characterized in that:
The component that also includes following parts by weight in the described prescription:
0～0.8 part of color concentrate;
The described color concentrate grain forming thing that the component of following massfraction forms through extrusion molding of serving as reasons:
Rutile type Titanium Dioxide 65%
Linear low density polyethylene 32%
Polyethylene wax 2%
Stearic acid 1%.
3. the pellet for the production of beer, beverage crown cap polyolefin gasket according to claim 1 is characterized in that:
Described thermoplastic elastomer is the block copolymer SBS 796 of vinylbenzene and divinylic monomer.
4. according to claim 1,2 or 3 described pellets for the production of beer, beverage crown cap polyolefin gasket, it is characterized in that:
Pellet is comprised of the component of following parts by weight:
65.3 parts of Low Density Polyethylenes
796 28.8 parts of the block copolymer SBS of vinylbenzene and divinylic monomer
5.5 parts of oxidation inhibitor masterbatch
0.4 part of color concentrate;
Wherein, the oxidation inhibitor masterbatch grain forming thing that the component of following massfraction forms through extrusion molding of serving as reasons:
Phenolic antioxidant 1,010 7.6%
Low Density Polyethylene 84.8%
Polyethylene wax 1.7%
Talcum powder 5.9%;
The color concentrate grain forming thing that the component of following massfraction forms through extrusion molding of serving as reasons:
Rutile type Titanium Dioxide 65%
Linear low density polyethylene 32%
Polyethylene wax 2%
Stearic acid 1%.
5. such as the preparation method of claim 1,2 or 3 described pellets for the production of beer, beverage crown cap polyolefin gasket, it is characterized in that:
Realized by following steps:
Step 1: with the Low Density Polyethylene of 58.1～72.5 weight parts, the thermoplastic elastomer of 18.2～39.4 weight parts, the oxidation inhibitor masterbatch of 2.5～8.5 weight parts and the color concentrate of 0～0.8 weight part, disperse to form compound in cooling mixing machine, mixing time is 10～15min;
Step 2: the compound that step 1 is obtained joins the twin screw extruder plasticizing, extrudes pelletizing through head, and extrusion temperature is 110 ℃～170 ℃; Afterwards, synchronously water cooling under 40 ℃～50 ℃ temperature condition, the sieve that sieves removes the particle less than 3mm, and dry under 70 ℃～90 ℃ temperature condition again, cooling forms pellet under 30 ℃～40 ℃ temperature condition at last.
6. the preparation method of the pellet for the production of beer, beverage crown cap polyolefin gasket according to claim 5 is characterized in that:
Described thermoplastic elastomer is the block copolymer SBS 796 of vinylbenzene and divinylic monomer;
The described oxidation inhibitor masterbatch grain forming thing that the component of following massfraction forms through extrusion molding of serving as reasons:
Phenolic antioxidant 1,010 7.6%
Low Density Polyethylene 84.8%
Polyethylene wax 1.7%
Talcum powder 5.9%;
The described color concentrate grain forming thing that the component of following massfraction forms through extrusion molding of serving as reasons:
Rutile type Titanium Dioxide 65%
Linear low density polyethylene 32%
Polyethylene wax 2%
Stearic acid 1%.
7. the pellet for the production of beer, beverage crown cap polyolefin gasket according to claim 6 is characterized in that:
Realized by following steps:
Step 1: with the Low Density Polyethylene of 65.3 weight parts, 28.8 parts vinylbenzene and the block copolymer SBS 796 of divinylic monomer, the oxidation inhibitor masterbatch of 5.5 weight parts, the color concentrate of 0.4 weight part, disperse to form compound in cooling mixing machine, mixing time is 12min;
Wherein, the oxidation inhibitor masterbatch grain forming thing that the component of following massfraction forms through extrusion molding of serving as reasons:
Phenolic antioxidant 1,010 7.6%
Low Density Polyethylene 84.8%
Polyethylene wax 1.7%
Talcum powder 5.9%;
The color concentrate grain forming thing that the component of following massfraction forms through extrusion molding of serving as reasons:
Rutile type Titanium Dioxide 65%
Linear low density polyethylene 32%
Polyethylene wax 2%
Stearic acid 1%;
Step 2: the compound that step 1 is obtained joins the twin screw extruder plasticizing, extrudes pelletizing through head, and extrusion temperature is 140 ℃; Afterwards, synchronously water cooling under 45 ℃ of temperature condition, the sieve that sieves removes the particle less than 3mm, and dry under 80 ℃ of temperature condition again, cooling forms pellet under 35 ℃ of temperature condition at last.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110221740 CN102408603B (en) | 2011-08-04 | 2011-08-04 | Particle material for producing beer and beverage crown cap polyolefin gasket and preparation method thereof |
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| CN 201110221740 CN102408603B (en) | 2011-08-04 | 2011-08-04 | Particle material for producing beer and beverage crown cap polyolefin gasket and preparation method thereof |
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| CN102408603A CN102408603A (en) | 2012-04-11 |
| CN102408603B true CN102408603B (en) | 2013-01-23 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103012903A (en) * | 2012-12-29 | 2013-04-03 | 江苏顶塑实业有限公司 | High-pressure-tolerant slow-leakage-rate gasket material for beer bottle cap and preparation method of material |
| CN104250404A (en) * | 2014-09-25 | 2014-12-31 | 无锡市天聚科技有限公司 | Can bottle cap gasket aggregate and preparation method thereof |
| CN104761793B (en) * | 2015-04-14 | 2017-08-25 | 长江大学 | A kind of Halogen high-barrier polyolefin pad materials grain and preparation method thereof |
| CN105001485A (en) * | 2015-06-18 | 2015-10-28 | 吴江海宏塑料制品有限公司 | Gasket material used for crown bottle covers and preparation method for gasket material |
| CN107973953B (en) * | 2016-10-21 | 2020-09-15 | 中国石油化工股份有限公司 | Thermoplastic elastomer composition and preparation method thereof, sealing gasket and method for preparing sealing gasket in crown cap |
| CN107099114B (en) * | 2017-05-10 | 2018-07-10 | 佛山市同骏环保科技有限公司 | Bottle cap spacer and/or liner of a kind of free sticky mixture and preparation method thereof |
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| CN1919957A (en) * | 2006-09-05 | 2007-02-28 | 天津市耀新科技发展有限公司 | Piercing resistant flashing and manufacture method thereof |
| CN101503606A (en) * | 2009-03-11 | 2009-08-12 | 西安昌泰化工厂 | Adhesive for imperial crown cap polyolefin pad for beer or beverage and preparation thereof |
| CN101670771A (en) * | 2008-09-10 | 2010-03-17 | 南通江洲工程材料科技有限公司 | Combined thermoplastic elastic body for automotive glass guide groove sealing strip and production method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1919957A (en) * | 2006-09-05 | 2007-02-28 | 天津市耀新科技发展有限公司 | Piercing resistant flashing and manufacture method thereof |
| CN101670771A (en) * | 2008-09-10 | 2010-03-17 | 南通江洲工程材料科技有限公司 | Combined thermoplastic elastic body for automotive glass guide groove sealing strip and production method thereof |
| CN101503606A (en) * | 2009-03-11 | 2009-08-12 | 西安昌泰化工厂 | Adhesive for imperial crown cap polyolefin pad for beer or beverage and preparation thereof |
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| CN102408603A (en) | 2012-04-11 |
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