CN101407604A - Preparation of composite oxygen barrier material composed of active sheet metal aluminum, inorganic powder and polyolefin, and manufacture of pipes - Google Patents
Preparation of composite oxygen barrier material composed of active sheet metal aluminum, inorganic powder and polyolefin, and manufacture of pipes Download PDFInfo
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- CN101407604A CN101407604A CNA2008101109006A CN200810110900A CN101407604A CN 101407604 A CN101407604 A CN 101407604A CN A2008101109006 A CNA2008101109006 A CN A2008101109006A CN 200810110900 A CN200810110900 A CN 200810110900A CN 101407604 A CN101407604 A CN 101407604A
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- inorganic powder
- barrier material
- polyolefine
- barrier
- sheet metal
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Abstract
The invention provides a high barrier material which is mainly used for antioxidant tubular material of cold and heat water, heating and air conditioning system in the building field. The material uses high molecular chemical and physical synergistic effect, the barrier performance is greatly improved, the barrier performance is not reduced due to the influence of temperature and moisture, the compatibility is good, the material can carry out chemical bonding with the tubular base and overcomes the defects that the existing EVOH barrier material can only use hot sol to be adhered with the tubular base. The material also has the multiple effects of strengthening, toughening and antiultraviolet and the components of the material thereof are sheet metallic aluminium, inorganic powder, polyolefine and auxiliary agent, wherein, the polyflefine is one of polypropylene, polyethylene and polybutene; and the sheet metallic aluminium and the inorganic powder are one or more of nano-level or micro-level sheet or granular montmorillonite, wollastonite, mica powder, calcium carbonate, French chalk, kaolin, organizing layered silicate and silicon oxide. The material solves the current condition of lack of specified barrier material in the existing industry of the tubular material.
Description
The present invention relates to a kind of matrix material, relate in particular to a kind of sheet metallic aluminium, inorganic powder, compound barrier material of polyolefine of containing.
Technical field
Barrier material of the present invention has good obstruct, enhancing, toughness reinforcing, UV resistant, anti-aging multiple function.Be mainly used in the oxygen barrier material of making building field hot water or cold water, heating, the various resistance oxygen of air-conditioning system tubing.
Material main characteristic of the present invention has high barrier, can with the middle oxidation prevention layer of polyphosphazene polymer resin as multi-layer co-extruded layer body, also can be used for making have water tolerance, bottle, sheet forming thing and the container of oil-proofness, solvent barrier, moisture proof, gas barrier property.
Background technology
Barrier material is exactly to have to stop the material of gas molecule by characteristic. and EVOH resin (ethylene-vinyl alcohol copolymer) is a kind of known barrier material at present, is widely used in soft or hard food, sauce, tomato-sauce, meat, tealeaves, cosmetic package field.
Any material all has its suitability, and the EVOH resin is under the lower condition of relative humidity, and barrier is only second to aluminium foil.But owing to contain the polar functional base on the EVOH molecular resin key, be easy to environment in water molecules, so strong easily moisture absorption of wet quick property, barrier property sharply descends after the moisture absorption of EVOH resin, for overcoming the drawback that barrier property lost efficacy after a large amount of moisture absorptions of EVOH resin, the food product pack industry is clipped in multilayer in the middle of wet film with the EVOH barrier layer every wet plastic film composite methods at present, to reduce moisture absorption, prolongs the obstruct validity period.Also can only prolong packing material about 18 months storage tives although take every the wet film MULTILAYER COMPOSITE.
At present, because limited aspect special-purpose barrier material selection, the plastic pipe industry is generally all transferred to the good barrier properties of EVOH resin the oxidation prevention layer material of hot water or cold water, heating, air-conditioning system resistance oxygen tubing, so that tubing possesses resistance oxygen function.
But the EVOH resin is its good resistance oxygen characteristic of competence exertion under the Air drying envrionment conditions only, in case all can descend rapidly with the rising of temperature or the increase barrier property of humidity, temperature is elevated to 60 ℃ of transmission coefficients from 20 ℃ can increase 12 times, humidity is elevated to the 80%RH transmission coefficient by 20%RH can increase 10 times, so the plastic pipe industry is in hot water or cold water, heating, air-conditioning system resistance oxygen pipe are made.
In addition because the EVOH resinous molecular structure has the polar functional base, and the tubing base-material is not with, thus two kinds of materials do not melt mutually, therefore, must adopt the hot melt adhesive polyethylene to connect the skill acid anhydrides during use, with surface, internal layer or the centre of EVOH resin bond to tubing as tackiness agent.General oxidation prevention layer and oxidation prevention layer both sides hot melt adhesive total thickness have only 0.015-0.020mm, so precision and processing requirement to equipment when tubing is made are very strict, production process control difficulty is big, unavoidably cause EVOH oxidation prevention layer, hot melt adhesive adhesive layer thickness and thickness deviation big and uneven thus, and EVOH oxidation prevention layer, hot melt adhesive bonding break material phenomenon, also can cause resistance oxygen pipe mechanical property and resistance oxygen effect to descend in case lack material, cause tubing can not reach the desired result of permanently effective resistance oxygen.
Summary of the invention
Barrier material of the present invention has high obstructing performance, tubing base-material and oxidation prevention layer do not need thermosol gluing and can and the tubing base-material combine together and form molecular linkage between tubing base-material and oxidation prevention layer, overcome temperature or humidity simultaneously and raise the influence of its barrier property.
Barrier material of the present invention can be used as the structure oxidation prevention layer and use, also can be blended in the tubing base-material and use, when not affecting the mechanical properties, shock strength, the UV resistant that can also improve base mateiral penetrate, ageing-resistant,, performance such as thermotolerance, reduced the coefficient of expansion simultaneously.
Embodiment
Utilize the compactness and the multi-element, inorganic particulate powder synergy of metallic aluminium, make the grain refining of polyolefine material, compactness improves, and utilizes the double effect of Polymer Chemistry and Physics method to make the invention material have high obstructing performance.Promptly utilizing sheet metal aluminium with certain characteristic, multi-element, inorganic particulate powder for nuclear, is shell with the vector resin, adds auxiliary agent (dispersion agent, coupling agent) in right amount, makes the high barrier material master batch.The key of this link be solve sheet metal aluminium, inorganic particles powder and surface treatment and with the reasonable coating of vector resin, then in granulation process by extrudability reaction, make sheet metal aluminium, inorganic particles powder surface group form combining of chemical bond with vector resin, when making tubing, in high barrier material master batch and the tubing base resin mixed melting making processes, coated vector resin sheet metal aluminium, inorganic particles powder, be diffused in the tubing base-material rapidly, form homogeneous phase and distribute.In this state, sheet metal aluminium, the inorganic particles powder, between vector resin and tubing base-material under the prerequisite of well melting mutually, produce the combination between the interface, the crystallite of barrier material and sheet metal aluminium wafer are orientated along the tube wall direction, the orientation process platelet obtains the height stratification, again because of the compactness of sheet metal aluminium and the compactness of overlapping arrangement, in barrier material, formed multiple layer metal aluminium foil effect, because the height stratification of platelet and the synergy of the aluminium foil after the sheet metal aluminium laminationization, thereby material obtains the double effect of Polymer Chemistry and Physics, formation has metallic character and metal resistance to air loss, the physical barriers of stability: vertical because of the stratification direction again with oxygen molecule infiltration direction, therefore blocked the molecule gap, the effectively infiltration of blocking-up oxygen molecule is again because of having formed nuclear---shell structure and interpenetrating(polymer)networks between the multicomponent material.So when material was subjected to external force, this structure can effectively absorb, transmits and alleviate damage of external force, thus tubing have high resistance oxygen spy and enhancing, toughness reinforcing, prevent that ultraviolet ray from penetrating multi-efficiency, prevented that tubing is aging, the work-ing life of improving tubing.The invention material can solve present tubing industry does not have the special-purpose oxygen barrier material of tubing easy to use, stable, long-acting, high obstructing performance, has very great society benefit.
Claims (1)
- A kind of sheet metallic aluminium, inorganic powder and polyolefine compound high barrier material of containing, its raw material comprises following component and content (weight part): sheet metal aluminium 0.1-20, inorganic powder 0.1-30, polyolefine 50-100, other auxiliary agent 0.01-20.Wherein, sheet metal aluminium is micron order or nano level a kind of, inorganic powder is one or more of nano level or micron-stage sheet-like or granulous wollastonite, polynite, talcum powder, lime carbonate, mica powder, kaolin, organise layered silicate and silicon-dioxide, and polyolefine is; Polypropylene, polyethylene, polybutene a kind of after this material and polyolefine are compound, has good obstruct, enhancing, toughness reinforcing, UV resistant, function such as anti-aging.Be mainly used in the oxygen barrier material of the various resistance oxygen tubing of making building field hot water or cold water, heating, air-conditioning system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101109006A CN101407604A (en) | 2008-06-17 | 2008-06-17 | Preparation of composite oxygen barrier material composed of active sheet metal aluminum, inorganic powder and polyolefin, and manufacture of pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101109006A CN101407604A (en) | 2008-06-17 | 2008-06-17 | Preparation of composite oxygen barrier material composed of active sheet metal aluminum, inorganic powder and polyolefin, and manufacture of pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101407604A true CN101407604A (en) | 2009-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101109006A Pending CN101407604A (en) | 2008-06-17 | 2008-06-17 | Preparation of composite oxygen barrier material composed of active sheet metal aluminum, inorganic powder and polyolefin, and manufacture of pipes |
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| CN (1) | CN101407604A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104109294A (en) * | 2014-07-10 | 2014-10-22 | 宁国市东兴实业有限公司 | Water pipe material for home decoration |
| CN105864528A (en) * | 2014-12-19 | 2016-08-17 | 浙江梅勒派克斯阿管路系统有限公司 | Self-oxygen-resisting plastic tube |
| CN108276647A (en) * | 2018-02-22 | 2018-07-13 | 埃维勒（北京）化工科技有限公司 | A kind of polythene material and the preparation method and application thereof |
| CN111205568A (en) * | 2020-02-28 | 2020-05-29 | 江苏新奥碳纳米材料应用技术研究院有限公司 | Oxygen-blocking polybutylene tubing containing uniformly-dispersed graphene and preparation method thereof |
-
2008
- 2008-06-17 CN CNA2008101109006A patent/CN101407604A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104109294A (en) * | 2014-07-10 | 2014-10-22 | 宁国市东兴实业有限公司 | Water pipe material for home decoration |
| CN105864528A (en) * | 2014-12-19 | 2016-08-17 | 浙江梅勒派克斯阿管路系统有限公司 | Self-oxygen-resisting plastic tube |
| CN108276647A (en) * | 2018-02-22 | 2018-07-13 | 埃维勒（北京）化工科技有限公司 | A kind of polythene material and the preparation method and application thereof |
| CN111205568A (en) * | 2020-02-28 | 2020-05-29 | 江苏新奥碳纳米材料应用技术研究院有限公司 | Oxygen-blocking polybutylene tubing containing uniformly-dispersed graphene and preparation method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20090415 |