CN100592979C - Polyolefin complete transparent master batch and preparation thereof - Google Patents
Polyolefin complete transparent master batch and preparation thereof Download PDFInfo
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- CN100592979C CN100592979C CN200810139278A CN200810139278A CN100592979C CN 100592979 C CN100592979 C CN 100592979C CN 200810139278 A CN200810139278 A CN 200810139278A CN 200810139278 A CN200810139278 A CN 200810139278A CN 100592979 C CN100592979 C CN 100592979C
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Abstract
The invention discloses a polyolefine full transparent master batch and a preparation method thereof; wherein, the weight percentage of the components of the polyolefine full transparent master batchis as follows: 70 to 80 percent of glauber salt, 4 to 15 percent of linear low density polyethylene, 4 to 10 percent of ethylene vinyl acetate copolymer, 2 to 3 percent of polyethylene wax, 1 to 2 percent of soap salt, 0.5 to 1 percent of fatty acid and 1 to 2 percent of a coupling agent. The preparation method of the master batch of the invention includes the following steps: after being added into a highly mixing machine, stirred with high speed and heated to 110 DEG C, the glauber salt is added with the coupling agent for three times for coating; then the polyethylene wax, soap salt and thefatty acid are sequentially added; then the linear low density polyethylene and the ethylene vinyl acetate copolymer are added, mixed uniformly and discharged; the components are transferred into a crusher to be cooled and crushed; finally, the premixed materials are extruded into granular master batches in a co-rotating twin screw extruder with the length-diameter ratio of 36 to 48. The polyolefine full transparent master batch has lower density, good dispersion, opening property and color, excellent optical property and very high economy and is widely used in blow-molded, extrusion and injection-molded products.
Description
Technical field:
The present invention relates to a kind of polyolefin complete transparent master batch and preparation method thereof, belong to the master batch manufacturing technology field that inorganic particle combines with macromolecular material.
Background technology:
Worldwide, polyethylene, polypropylene are most widely used two kinds of basic resin in the plastic product.Account for 1/2nd of all plastic products.China consumed about 20,000,000 tons of polyethylene, polypropylene in 2007.On the one hand, along with the enhancing of environmental consciousness, the cry of seeking to solve white pollution is surging gradually, and inorganic particle modified high-molecular polymer is an efficient ways.Require wherein calcium carbonate content so not only to save limited petroleum resources as Japanese convenient bag GB, and help environmental protection, burn not smolder, do not melt and drip, do not produce toxic gas, and inorganic particle is inexhaustible, nexhaustible more than 30%.On the other hand, along with back the closing on of petroleum times, crude oil price one tunnel skyrockets, and various resins are also inevitable, and when the river rises the boat goes up thereupon, and under this overall background, numerous plastic processing enterprise can't bear the heavy load and is absorbed in the condition of having difficulty in taking a step.In the face of raw material appreciates, only reliable inorganic particle modification solves.In numerous inorganic particles, all right in being applied to the less demanding field of transparency and color and luster as calcium carbonate, talcum powder, mica powder, kaolin etc., must use in the transparent article of brand-new material, traditional many inorganic particles well-known commonly used descend because of it can cause transparency, goods turn white dirty and have to allow producer give up, and are badly in need of the matter of great urgency that a kind of complete transparent master batch solves goods producer on the market.
Summary of the invention:
The purpose of this invention is to provide a kind of polyolefin complete transparent master batch and preparation method thereof, can produce polyolefin complete transparent master batch by this method, this master batch can solve the problem that problem, particularly membrane product light transmittance descend, mist degree rises, albinism is serious that plastic products mechanical properties decrease and color and luster after using filler parent granule change.Mechanical property and the color and luster and the transparency that can keep polyolefin articles can reduce the cost of raw material simultaneously significantly, can also improve some performances of plastic products.
The objective of the invention is to realize as follows: this polyolefin complete transparent master batch comprises following each component, by weight percentage: glauber salt 70-80%, LLDPE 4-15%, ethylene-vinyl acetate copolymer 4-10%, Tissuemat E 2-3%, soap salt 1-2%, aliphatic acid 0.5-1%, coupling agent 1-2%.
Described glauber salt purity is greater than 99%, and fineness is greater than 1250 orders.
Described LLDPE is the carrier as master batch, can be LLDPE7042 or LLDPE1820 or their mixture.
Described ethylene-vinyl acetate copolymer can mainly play the compatibilization and toughening effect for EVA14-2 or EVA5110 or their mixture, and the plastic products mechanical strength of guaranteeing to add behind the master batch is not suffered a loss.
Described Tissuemat E can be synthetic wax or cracking wax or their mixture, and its molecular weight is 2500-4000, mainly plays the dispersant effect.
Described soap salt can be zinc stearate or calcium stearate or their mixture, super fatting agent and opening agent effect.
Described aliphatic acid can be stearic acid, plays auxiliary coupling and outer lubrication.
Described coupling agent can be aluminic acid lipoprotein coupling agent DL-411A or titanate coupling agent NDZ-201 or their mixture, plays main coupled action.
The preparation method of described polyolefin complete transparent master batch, adopt following steps: after glauber salt is joined in the high mixer high-speed stirred and is heated to 110 ℃, divide and add the coupling agent coating for three times, next adds Tissuemat E, soap salt, aliphatic acid, add LLDPE once more and ethylene-vinyl acetate copolymer mixes blowing, change disintegrating machine cooling, fragmentation then over to; It is in the parallel dual-screw extruding machine of 32-48 that the compound that obtains is added draw ratio, 140-180 ℃ earnestly air-cooled and make granular master batch through the plasticizing granulation down, the master batch screening is obtained finished product.
The present invention compares following distinct advantages with existing inorganic particle master batch: (1) is transparent or semitransparent with the polyolefin complete transparent master batch of manufacturing of the present invention, add the transparency and the color and luster that do not influence goods in the plastic products to, almost the same with former brand-new material, this is that other any powder is incomparable.Join plastic products particularly in the thick product with the made master batch of other powder, turn white and send out delustring dirty, have a strong impact on outward appearance U.S. of goods.(2) the polyolefin complete transparent master batch proportion made from the present invention is lower, is the lightest in the present inorganic particle master batch, has good cost performance.(3) with the polyolefin complete transparent master batch of manufacturing of the present invention, add in the plastic products, can save a part of resin, can significantly reduce the cost of goods, saved non-renewable resources, and met environmental protection requirement.(4) with the polyolefin complete transparent master batch of manufacturing of the present invention, compare with virgin material and not change combinations color and lustre, reduce the plastic products cost significantly, for example in goods, add 20% master batch, the combinations color and lustre transparency does not reduce, and cost can reduce about 1200-1600 unit.(5) can improve interior output of unit interval.(6) favorable dispersibility: the glauber salt through coupling agent treatment coats, reduced the reunion between subparticle, glauber salt is dispersed in the goods, the sparkling and crystal-clear exquisiteness of concrete manifestation outward appearance is translucent, does not have obvious brilliant point, stiff piece and clouding.(7) for the existence of membrane product, increase opening owing to glauber salt and zinc stearate.(8) for membrane product, reduce the stress whitening phenomenon, improve the class of goods.
The preparation method of polyolefin complete transparent master batch of the present invention can produce the polyolefin complete transparent master batch with above feature easily, and production process is simple, grasps easily.
The specific embodiment:
Embodiment 1:
Get material by weight: glauber salt 75kg, LLDPE 10kg, ethylene-vinyl acetate copolymer 8kg, Tissuemat E 3kg, zinc stearate 2kg, stearic acid 0.5kg, aluminic acid lipoprotein coupling agent 1kg, titanate coupling agent 0.5kg.
After glauber salt joined in the high mixer high-speed stirred and be heated to 110 ℃, divide and add the coupling agent coating for three times, next adds Tissuemat E, soap salt, aliphatic acid, adds LLDPE once more and ethylene-vinyl acetate copolymer mixes blowing, changes disintegrating machine cooling, fragmentation then over to; It is in the parallel dual-screw extruding machine of 32-48 that the compound that obtains is added draw ratio, 140-180 ℃ earnestly air-cooled and make granular master batch through the plasticizing granulation down, the master batch screening is obtained finished product.
Extrusion: extrude type: 65 * 48D
Temperature is set: 140 150 155 160 165 170 175
Screw speed: 300-500rpm
Feed grain rotating speed: 30rpm
Air-cooled die face is fervent, pelleter rotating speed: 1000rpm
Screen pack: 3 layers in 100 orders
Vacuum: 0.4
Embodiment 2:
Get material by weight: glauber salt 80kg, LLDPE 7kg, ethylene-vinyl acetate copolymer 5kg, Tissuemat E 3kg, zinc stearate 2kg, stearic acid 1kg, aluminic acid lipoprotein coupling agent 1kg, titanate coupling agent 1kg.
Preparation method by embodiment 1 produces product.
Claims (9)
1, a kind of polyolefin complete transparent master batch is characterized in that comprising following each component, by weight percentage: glauber salt 70-80%, LLDPE 4-15%, ethylene-vinyl acetate copolymer 4-10%, Tissuemat E 2-3%, soap salt 1-2%, aliphatic acid 0.5-1%, coupling agent 1-2%.
2, polyolefin complete transparent master batch according to claim 1 is characterized in that: described glauber salt purity is greater than 99%, and fineness is greater than 1250 orders.
3, polyolefin complete transparent master batch according to claim 1 is characterized in that: described LLDPE is LLDPE7042 or LLDPE1820 or their mixture.
4, polyolefin complete transparent master batch according to claim 1 is characterized in that: described ethylene-vinyl acetate copolymer is EVA14-2 or EVA5110 or their mixture.
5, polyolefin complete transparent master batch according to claim 1 is characterized in that: described Tissuemat E is synthetic wax or cracking wax or their mixture, and its molecular weight is 2500-4000.
6, polyolefin complete transparent master batch according to claim 1 is characterized in that: described soap salt is zinc stearate or calcium stearate or their mixture.
7, polyolefin complete transparent master batch according to claim 1 is characterized in that: described aliphatic acid is stearic acid.
8, polyolefin complete transparent master batch according to claim 1 is characterized in that: described coupling agent is aluminic acid lipoprotein coupling agent DL-411A or titanate coupling agent NDZ-201 or their mixture.
9, the preparation method of the described polyolefin complete transparent master batch of a kind of claim 1, it is characterized in that adopting following steps: after glauber salt is joined in the high mixer high-speed stirred and is heated to 110 ℃, divide and add the coupling agent coating for three times, next adds Tissuemat E, soap salt, aliphatic acid, add LLDPE once more and ethylene-vinyl acetate copolymer mixes blowing, change disintegrating machine cooling, fragmentation then over to; It is in the parallel dual-screw extruding machine of 32-48 that the compound that obtains is added draw ratio, 140-180 ℃ earnestly air-cooled and make granular master batch through the plasticizing granulation down, the master batch screening is obtained finished product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810139278A CN100592979C (en) | 2008-08-22 | 2008-08-22 | Polyolefin complete transparent master batch and preparation thereof |
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| CN200810139278A CN100592979C (en) | 2008-08-22 | 2008-08-22 | Polyolefin complete transparent master batch and preparation thereof |
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| CN101348005A CN101348005A (en) | 2009-01-21 |
| CN100592979C true CN100592979C (en) | 2010-03-03 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102504347B (en) * | 2011-11-16 | 2014-12-10 | 和昌（广西）化工有限公司 | Degradable polyolefin masterbatch and production method thereof |
| CN104974426B (en) * | 2015-07-30 | 2017-12-05 | 四川省洪雅青衣江元明粉有限公司 | A kind of glauber salt filling plastic is modified transparent master batch |
| CN105017649B (en) * | 2015-08-10 | 2017-07-18 | 广州市聚赛龙工程塑料股份有限公司 | Transparent electric cooker fire-retardant high heat-resisting polypropylene composite and preparation method and application |
| CN107629301B (en) * | 2017-08-30 | 2021-04-02 | 中国石油化工股份有限公司 | High-gloss puncture-resistant low-density polyethylene master batch |
| CN108327118B (en) * | 2018-04-18 | 2023-10-10 | 大连兴辉化工有限公司 | Hot dicing die for producing polypropylene cooling master batch |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693347A (en) * | 2005-06-03 | 2005-11-09 | 上海林达塑胶化工有限公司 | Transparent film mother material and its preparation process |
| CN1951994A (en) * | 2006-10-13 | 2007-04-25 | 上海林达塑胶化工有限公司 | Transparent film masterbatch and its preparing method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693347A (en) * | 2005-06-03 | 2005-11-09 | 上海林达塑胶化工有限公司 | Transparent film mother material and its preparation process |
| CN1951994A (en) * | 2006-10-13 | 2007-04-25 | 上海林达塑胶化工有限公司 | Transparent film masterbatch and its preparing method |
Non-Patent Citations (4)
| Title |
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| 多元复合理论在透明薄膜母料研制中的应用. 刘伯元等.中国粉体技术，第2期. 2006 |
| 多元复合理论在透明薄膜母料研制中的应用. 刘伯元等.中国粉体技术，第2期. 2006 * |
| 工艺条件对透明光学制品性能的影响. 李海梅等.中国机械工程，第17 增刊卷. 2006 |
| 工艺条件对透明光学制品性能的影响. 李海梅等.中国机械工程，第17增刊卷. 2006 * |
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