CN105504441A - Master batch special for polyolefin air-permeable film and preparing method thereof - Google Patents
Master batch special for polyolefin air-permeable film and preparing method thereof Download PDFInfo
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- CN105504441A CN105504441A CN201511004117.8A CN201511004117A CN105504441A CN 105504441 A CN105504441 A CN 105504441A CN 201511004117 A CN201511004117 A CN 201511004117A CN 105504441 A CN105504441 A CN 105504441A
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- polyolefin
- permeable film
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
Abstract
The invention relates to master batch special for a polyolefin air-permeable film. The master batch is characterized by being prepared from, by mass, 80-85% of heavy calcium carbonate powder, 1-2% of a coupling agent, 1-2% of PE wax, 5-10% of linear low-density polyethylene resin and 6-12% of low-density polyethylene resin. The master batch special for the polyolefin air-permeable film can keep mechanical properties, color, luster and transparency of the polyolefin product and substantially reduce raw material cost. The master batch is simple in production process and easy to master. The produced master batch for the air-permeable film is stable in quality and free of moisture, so that pores in the air-permeable film are uniform and easy to control in the processing process. According to the master batch special for the polyolefin air-permeable film, interaction between the heavy calcium carbonate filler and polyolefin is improved, the effects that powder is uniformly dispersed in the organic carrier and is completely compatible with the carrier are achieved, after the process in which casting or film blowing is carried out on the obtained master batch special for the air-permeable film, the air-permeable film with the pore diameter uniformly distributed and a large ventilation amount can be obtained, and the pore diameter is easy to control; the problems that cost is high, operation is complex and powder pollution is serious are solved for an air-permeable film producing enterprise.
Description
Technical field
The invention belongs to polymer field of new, relate generally to a kind of polyolefin permeable membrane dedicated parent material and preparation method thereof.
Background technology
High breathable polyolefin cast film is a kind of novel high polymer material product, belongs to the exploitation of high-grade synthetic resins and deep processing project product.This product has very wide application field, be mainly used in medical and sanitary products packaging (as medicinal glued membrane, operation dress, medical gloves, sanitary napkin, diaper for babies and disposable sheet and other clinical treatment consumptive material etc.), food product pack (as preservative film, composite membrane, food package bag etc.) and everyday articles (as insulation garment interlayer, disposable light weight raincoat) etc., in so large for population base, the state-owned very large market space, is in great demand.But the main raw material(s) of made in China air-permeable envelope---ventilative particle but mainly relies on import, and product does not possess cost advantage.
Chinese patent application 201410830271.X discloses a kind of preparation method of air-permeable envelope heavy calcium carbonate filling, the air-permeable envelope weighting material prepared by the method---marble powder, owing to being pure powder, make air-permeable envelope very inconvenient in production process, one is that powder pollutes, and dust is larger, and air-permeable envelope is much the requirement of food grade pharmaceutical grade, directly use the calcium powder of activation, be difficult to reach health levels necessitate; Two is that calcium powder mixes uneven with the base material manufacturing air-permeable envelope, and easily cause air-permeable envelope local airtight, character is unstable.
Chinese patent application 2009l0176457.7 discloses a kind of ultra-thin, high porosity film and preparation method thereof, wherein discuss the recipe optimization flow process of a kind of air-permeable envelope masterbatch corresponded, but the air-permeable envelope masterbatch range of application of producing by this kind of method is very narrow, this kind of masterbatch due to resin content high, inventor have employed water tie rod technique, although there is drying step, drying is not thorough, always there is a little moisture in masterbatch, affect the processing of air-permeable envelope.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of polyolefin permeable membrane dedicated parent material and preparation method thereof.
Technical scheme of the present invention is: a kind of polyolefin permeable membrane dedicated parent material, it is characterized in that comprising following component, by percentage to the quality, heavy calcium carbonate powder 80%-85%, coupling agent 1%-2%, PE wax 1%-2%, linear low density polyethylene resin 5%-10%, ldpe resin 6%-12%.
In preferred scheme, the powder purity of calcium carbonate powder used is greater than 99%, and fineness is 1250 orders, and logical sieve rate is 97%, and whiteness is greater than 95, powder in process of lapping through the process of liquid dispersion auxiliary agent.
In preferred scheme, polyethylene wax used is synthetic wax or cracking wax or their mixture, and its molecular weight is 3500-6000g/mol.
In preferred scheme, linear low density polyethylene resin used is 7144, ldpe resin 2426H.
In preferred scheme, coupling agent used is solid-state titanate coupling agent.
In preferred scheme, a kind of polyolefin permeable membrane dedicated parent material and preparation method thereof, is characterized in that, adopts following steps:
A. Paris white is joined high-speed stirring in high mixer, and be heated to 130 DEG C;
B. add coupling agent coated, then adding polyethylene wax to rotating speed is high-speed stirring to 140 DEG C in 100r/min high speed mixer;
C. linear low density polyethylene is added and Low Density Polyethylene mixes and stirs to paste blowing;
D. crusher cooling is proceeded to broken, then be 400rpm rotating speed through rotating speed be that dual-screw-stem machine twin-screw extruder melt extrudes, the mesh of filtering net is 240 orders, and through plastifying, granulation is earnestly air-cooled makes granular master batch, and double-screw extruding pelletizing technological temperature is: feeding section temperature 130-180 DEG C; Melt zone temperature 150-210 DEG C; Homogenizing zone temperature 150-200 DEG C; Die head temperature 160-200 DEG C.
The linear low density polyethylene selected in the present invention program and Low Density Polyethylene are used as the carrier of master batch, mainly play compatibilization and toughening effect, guarantee that the plastics after adding master batch have higher mechanical strength.
The polyethylene wax selected in the present invention program mainly plays dispersion agent effect, strengthens the oilness of master batch.
The coupling agent selected in the present invention program plays main coupled action, through the powder that coupling agent treatment is coated, decreases the reunion between subparticle, and process white powder is dispersed in goods.
The special master batch of a kind of polyolefin permeable membrane of the present invention can keep the mechanical property of polyolefin articles, color and luster and transparency, significantly can reduce material cost simultaneously.This poly-master batch production process is simple, easily grasps.The air-permeable envelope master batch stable in properties that the method is produced, without any moisture, makes air-permeable envelope pore in the course of processing even, easily controls.The special master batch of a kind of polyolefin permeable membrane of the present invention improves heavy calcium carbonate filling and polyolefinic interaction, reach dispersed in organic carrier of powder, completely compatible effect, after making the air-permeable envelope dedicated parent material that obtains in curtain coating or blown film process, the air-permeable envelope that pore size controls well, even aperture distribution, Air permenbility are large can be obtained, it is high that enterprise for production air-permeable envelope solves cost, complicated operation, the problem that dust pollution is serious.
Embodiment
Below in conjunction with embodiment, the present invention is further described.
Embodiment 1: a kind of polyolefin permeable membrane dedicated parent material, is characterized in that comprising following component, by percentage to the quality, and heavy calcium carbonate powder 80%, coupling agent 1%, PE wax 1%, linear low density polyethylene resin 10%, ldpe resin 12%; The powder purity of calcium carbonate powder used is 99%, and fineness is 1250 orders, and logical sieve rate is 97%, and whiteness is 95, powder in process of lapping through the process of liquid dispersion auxiliary agent; Polyethylene wax used is synthetic wax, and its molecular weight is 3500g/mol; Linear low density polyethylene resin used is 7144, ldpe resin 2426H; Coupling agent used is solid-state titanate coupling agent; A kind of polyolefin permeable membrane dedicated parent material and preparation method thereof, is characterized in that, adopts following steps:
A. Paris white is joined high-speed stirring in high mixer, and be heated to 130 DEG C;
B. add coupling agent coated, then adding polyethylene wax to rotating speed is high-speed stirring to 140 DEG C in 100r/min high speed mixer;
C. linear low density polyethylene is added and Low Density Polyethylene mixes and stirs to paste blowing;
D. crusher cooling is proceeded to broken, then be 400rpm rotating speed through rotating speed be that dual-screw-stem machine twin-screw extruder melt extrudes, the mesh of filtering net is 240 orders, and through plastifying, granulation is earnestly air-cooled makes granular master batch, and double-screw extruding pelletizing technological temperature is: feeding section temperature 130 DEG C; Melt zone temperature 150 DEG C; Homogenizing zone temperature 150 DEG C; Die head temperature 160 DEG C.
Embodiment 2: a kind of polyolefin permeable membrane dedicated parent material, is characterized in that comprising following component, by percentage to the quality, and heavy calcium carbonate powder 85%, coupling agent 2%, PE wax 2%, linear low density polyethylene resin 5%, ldpe resin 6%; The powder purity of calcium carbonate powder used is 99%, and fineness is 1250 orders, and logical sieve rate is 97%, and whiteness is 97, powder in process of lapping through the process of liquid dispersion auxiliary agent; Polyethylene wax used is cracking wax, and its molecular weight is 6000g/mol; Linear low density polyethylene resin used is 7144, ldpe resin 2426H; Coupling agent used is solid-state titanate coupling agent; A kind of polyolefin permeable membrane dedicated parent material and preparation method thereof, is characterized in that, adopts following steps:
A. Paris white is joined high-speed stirring in high mixer, and be heated to 130 DEG C;
B. add coupling agent coated, then adding polyethylene wax to rotating speed is high-speed stirring to 140 DEG C in 100r/min high speed mixer;
C. linear low density polyethylene is added and Low Density Polyethylene mixes and stirs to paste blowing;
D. crusher cooling is proceeded to broken, then be 400rpm rotating speed through rotating speed be that dual-screw-stem machine twin-screw extruder melt extrudes, the mesh of filtering net is 240 orders, and through plastifying, granulation is earnestly air-cooled makes granular master batch, and double-screw extruding pelletizing technological temperature is: feeding section temperature 180 DEG C; Melt zone temperature 210 DEG C; Homogenizing zone temperature 200 DEG C; Die head temperature 200 DEG C.
Embodiment 3: a kind of polyolefin permeable membrane dedicated parent material, is characterized in that comprising following component, by percentage to the quality, and heavy calcium carbonate powder 82%, coupling agent 1%, PE wax 2%, linear low density polyethylene resin 7%, ldpe resin 8%; The powder purity of calcium carbonate powder used is 99.3%, and fineness is 1250 orders, and logical sieve rate is 97%, and whiteness is 96, powder in process of lapping through the process of liquid dispersion auxiliary agent; Polyethylene wax used is the mixture of synthetic wax and cracking wax, and its molecular weight is 5000g/mol; Linear low density polyethylene resin used is 7144, ldpe resin 2426H; Coupling agent used is solid-state titanate coupling agent; A kind of polyolefin permeable membrane dedicated parent material and preparation method thereof, is characterized in that, adopts following steps:
A. Paris white is joined high-speed stirring in high mixer, and be heated to 130 DEG C;
B. add coupling agent coated, then adding polyethylene wax to rotating speed is high-speed stirring to 140 DEG C in 100r/min high speed mixer;
C. linear low density polyethylene is added and Low Density Polyethylene mixes and stirs to paste blowing;
D. crusher cooling is proceeded to broken, then be 400rpm rotating speed through rotating speed be that dual-screw-stem machine twin-screw extruder melt extrudes, the mesh of filtering net is 240 orders, and through plastifying, granulation is earnestly air-cooled makes granular master batch, and double-screw extruding pelletizing technological temperature is: feeding section temperature 150 DEG C; Melt zone temperature 180 DEG C; Homogenizing zone temperature 180 DEG C; Die head temperature 180 DEG C.
Embodiment 4: a kind of polyolefin permeable membrane dedicated parent material, is characterized in that comprising following component, with quality feeding, and Paris white 80kg, linear low density polyethylene 8kg, Low Density Polyethylene 9.5kg, polyethylene wax 1.5kg, titanate coupling agent 1kg; The powder purity of calcium carbonate powder used is 99%, and fineness is 1250 orders, and logical sieve rate is 97%, and whiteness is 95, powder in process of lapping through the process of liquid dispersion auxiliary agent; Polyethylene wax used is cracking wax, and its molecular weight is 4600g/mol; Linear low density polyethylene resin used is 7144, ldpe resin 2426H; Coupling agent used is solid-state titanate coupling agent; A kind of polyolefin permeable membrane dedicated parent material and preparation method thereof, is characterized in that, adopts following steps:
A. Paris white is joined high-speed stirring in high mixer, and be heated to 130 DEG C;
B. add coupling agent coated, then adding polyethylene wax to rotating speed is high-speed stirring to 140 DEG C in 100r/min high speed mixer;
C. linear low density polyethylene is added and Low Density Polyethylene mixes and stirs to paste blowing;
D. crusher cooling is proceeded to broken, then be 400rpm rotating speed through rotating speed be that dual-screw-stem machine twin-screw extruder melt extrudes, the mesh of filtering net is 240 orders, and through plastifying, granulation is earnestly air-cooled makes granular master batch, and double-screw extruding pelletizing technological temperature is: feeding section temperature 17180 DEG C; Melt zone temperature 190 DEG C; Homogenizing zone temperature 170 DEG C; Die head temperature 190 DEG C.
Claims (6)
1. a polyolefin permeable membrane dedicated parent material, is characterized in that comprising following component, by percentage to the quality, heavy calcium carbonate powder 80%-85%, coupling agent 1%-2%, PE wax 1%-2%, linear low density polyethylene resin 5%-10%, ldpe resin 6%-12%.
2. according to a kind of polyolefin permeable membrane dedicated parent material according to claim 1, it is characterized in that the powder purity of calcium carbonate powder used is greater than 99%, fineness is 1250 orders, and logical sieve rate is 97%, whiteness is greater than 95, powder in process of lapping through the process of liquid dispersion auxiliary agent.
3., according to a kind of polyolefin permeable membrane dedicated parent material according to claim 1, it is characterized in that polyethylene wax used is synthetic wax or cracking wax or their mixture, its molecular weight is 3500-6000g/mol.
4., according to a kind of polyolefin permeable membrane dedicated parent material according to claim 1, it is characterized in that linear low density polyethylene resin used is 7144, ldpe resin 2426H.
5., according to a kind of polyolefin permeable membrane dedicated parent material according to claim 1, it is characterized in that coupling agent used is solid-state titanate coupling agent.
6. polyolefin permeable membrane dedicated parent material and preparation method thereof, is characterized in that, adopts following steps:
A. Paris white is joined high-speed stirring in high mixer, and be heated to 130 DEG C;
B. add coupling agent coated, then adding polyethylene wax to rotating speed is high-speed stirring to 140 DEG C in 100r/min high speed mixer;
C. linear low density polyethylene is added and Low Density Polyethylene mixes and stirs to paste blowing;
D. crusher cooling is proceeded to broken, then be 400rpm rotating speed through rotating speed be that dual-screw-stem machine twin-screw extruder melt extrudes, the mesh of filtering net is 240 orders, and through plastifying, granulation is earnestly air-cooled makes granular master batch, and double-screw extruding pelletizing technological temperature is: feeding section temperature 130-180 DEG C; Melt zone temperature 150-210 DEG C; Homogenizing zone temperature 150-200 DEG C; Die head temperature 160-200 DEG C.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105968532A (en) * | 2016-06-29 | 2016-09-28 | 崔建中 | Nano waterproof breathable film and preparation method thereof |
| CN106009211A (en) * | 2016-05-20 | 2016-10-12 | 山西新泰恒信纳米材料有限公司 | Special master batch for plastic weaving high-speed wire drawing machines and method for preparing special master batch |
| CN106397902A (en) * | 2016-08-30 | 2017-02-15 | 重庆和泰塑胶股份有限公司 | Film-blowing level breathable film resin |
| CN106397918A (en) * | 2016-09-07 | 2017-02-15 | 上海紫华企业有限公司 | Moisture permeable polyolefin micropore breathable film |
| CN107353485A (en) * | 2016-05-10 | 2017-11-17 | 合肥杰事杰新材料股份有限公司 | A kind of antibacterial, ventilating film master batch and preparation method thereof |
| CN108099148A (en) * | 2017-12-05 | 2018-06-01 | 聚石化学（长沙）有限公司 | The ventilated membrane and its production technology of a kind of property |
| CN109265806A (en) * | 2018-09-26 | 2019-01-25 | 天津泽恒包装制品有限公司 | A kind of preparation method of PE preservative film masterbatch |
| CN110079001A (en) * | 2019-05-27 | 2019-08-02 | 佛山华韩卫生材料有限公司 | A kind of very thin high ventilative zero leakage counterdie of pro-skin |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101643559A (en) * | 2009-09-15 | 2010-02-10 | 浙江越韩科技透气材料有限公司 | Ultrathin high porosity film and preparation method thereof |
-
2015
- 2015-12-27 CN CN201511004117.8A patent/CN105504441B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101643559A (en) * | 2009-09-15 | 2010-02-10 | 浙江越韩科技透气材料有限公司 | Ultrathin high porosity film and preparation method thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107353485A (en) * | 2016-05-10 | 2017-11-17 | 合肥杰事杰新材料股份有限公司 | A kind of antibacterial, ventilating film master batch and preparation method thereof |
| CN107353485B (en) * | 2016-05-10 | 2020-11-20 | 合肥杰事杰新材料股份有限公司 | Antibacterial breathable film master batch and preparation method thereof |
| CN106009211A (en) * | 2016-05-20 | 2016-10-12 | 山西新泰恒信纳米材料有限公司 | Special master batch for plastic weaving high-speed wire drawing machines and method for preparing special master batch |
| CN105968532A (en) * | 2016-06-29 | 2016-09-28 | 崔建中 | Nano waterproof breathable film and preparation method thereof |
| CN106397902A (en) * | 2016-08-30 | 2017-02-15 | 重庆和泰塑胶股份有限公司 | Film-blowing level breathable film resin |
| CN106397918A (en) * | 2016-09-07 | 2017-02-15 | 上海紫华企业有限公司 | Moisture permeable polyolefin micropore breathable film |
| CN108099148A (en) * | 2017-12-05 | 2018-06-01 | 聚石化学（长沙）有限公司 | The ventilated membrane and its production technology of a kind of property |
| CN109265806A (en) * | 2018-09-26 | 2019-01-25 | 天津泽恒包装制品有限公司 | A kind of preparation method of PE preservative film masterbatch |
| CN110079001A (en) * | 2019-05-27 | 2019-08-02 | 佛山华韩卫生材料有限公司 | A kind of very thin high ventilative zero leakage counterdie of pro-skin |
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| CN105504441B (en) | 2017-12-22 |
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