CN102408605B - Environmentally-friendly sanitary water contact hose and production method thereof - Google Patents
Environmentally-friendly sanitary water contact hose and production method thereof Download PDFInfo
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- CN102408605B CN102408605B CN201110251876.XA CN201110251876A CN102408605B CN 102408605 B CN102408605 B CN 102408605B CN 201110251876 A CN201110251876 A CN 201110251876A CN 102408605 B CN102408605 B CN 102408605B
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Abstract
The invention relates to an environmentally-friendly sanitary water contact hose and a production method thereof. The raw material formula of the water contact hose comprises the following components in parts by weight: 100 parts of base resin, 1-5 parts of silane, 0.02-0.04 part of cross-linking catalyst, 0.01-0.2 part of peroxide and 0.1-0.5 part of antioxidant. The water contact hose is prepared by extruding and processing shaping the above raw materials to obtain a pipe, and vulcanizing and cross-linking. The water contact hose has Shore A hardness of 55-95, has good corrosion resistance, cold and heat circulation resistance and aging resistance, and can achieve national sanitation requirement and pass microorganism toxicity test, therefore, the water contact hose is especially suitable for preparation of water contact internal pipes of knitted pipes or sprinkler pipes.
Description
Technical field
the present invention relates to a kind of tactile water tube hose and production method thereof, the organosilane crosslinked polyolefin elastic-body that is particularly related to the environmentally-friendly sanitary of a kind of Shao A hardness in 55 ~ 95 scopes touches water tube hose, it can be tested by Ecotoxicology, there is more outstanding sanitation performance, be especially suitable for use as the tactile water inner tube of braided tube, flower sprinkling tube etc..
Background technology
traditional braided tube or flower sprinkling tube conventionally can be used terpolymer EP rubber (EPDM) sebific duct or polyvinyl chloride (PVC) sebific duct to do and touch water inner tube.There is number of drawbacks in these tactile water inner tubes, little etc. if any peculiar smell, loss of properties on aging, use temperature scope, the most important thing is not environmental protection of EPDM or PVC material itself, pvc material self is chloride, and EPDM also can add multiple harmful additive etc. in the course of processing, easily ooze out polluted-water, therefore use braided tube or the flower sprinkling tube that these materials are made generally all not reach sanitary index, be difficult to test by Ecotoxicology.
organosilane crosslinked polyolefin elastic-body material, owing to having good performance and the excellent bending property such as low temperature resistant, wear-resisting, ageing-resistant and corrosion-resistant, has attracted more and more people's research and use.There is patent report that silane crosslinking polyolefin elastic material is used as to cable insulation, obtained flexible insulation cable.Also there are many pieces of patent reports about the preparation method's of silicane cross-linking polyolefin composition research and about the research of other physicochemical properties of silane cross-linked polyolefin material and improvement etc., but there is no at present the report of the toxicity aspect of silane cross-linked polyolefin material and be applied to the research report in the tactile water inner tube of the high braided tube of hygienic requirements or flower sprinkling tube.
Summary of the invention
technical problem to be solved by this invention is that the tactile water inner tube that overcomes braided tube in prior art or flower sprinkling tube does not reach the defect of hygienic requirements, and a kind of tactile water tube hose of environmentally-friendly sanitary is provided.
another object of the present invention is to provide the production method of above-mentioned tactile water tube hose.
the 3rd object of the present invention is the tactile water inner tube for braided tube or flower sprinkling tube by above-mentioned tactile water tube hose, makes the braided tube or the flower sprinkling tube product that have outstanding sanitation performance, can not polluted water.
for solving above technical problem, the present invention takes following technical scheme:
a tactile water tube hose for environmentally-friendly sanitary, makes through vulcanization crosslinking through extruding machine-shaping again, and in parts by weight, the composition of raw materials of preparing this tactile water tube hose is:
matrix resin 100
silane 1 ~ 5
crosslinking catalyst 0.02 ~ 0.4
superoxide 0.01 ~ 0.2
oxidation inhibitor 0.1 ~ 0.5
wherein, described matrix resin is the mixture that polyolefin elastomer mixes with any part by weight with polyvinyl resin;
described silane is vinyltrimethoxy silane or vinyltriethoxysilane or both combinations;
described crosslinking catalyst is dibutyl tin laurate or two dioctyltin laurate;
described superoxide is 2,5-dimethyl-2,5-bis(t-butylperoxy) hexane;
described oxidation inhibitor is four [methylene β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and combination of 1 ~ 2:1 by weight proportion of diphosphorous acid pentaerythritol stearic acid ester 2.
preferably, in described matrix resin, by weight, polyolefin elastomer: the ratio of polyvinyl resin is between 0.82 ~ 0.45.
preferably, described polyolefin elastomer is the combination of 0 ~ 2:0 ~ 2:1 by weight proportion of ethylene propylene copolymer, POE and ethylene-butylene copolymer.
preferably, the density of described polyvinyl resin between 0.90 ~ 0.97, melting index < 20g/10min.
the production method of the tactile water tube hose of above-mentioned environmentally-friendly sanitary, comprises the steps:
(1), raw material is prepared: by the consumption proportion of each component in composition of raw materials, take each component;
(2), the preparation of A material: after the oxidation inhibitor of the superoxide of the silane of the matrix resin of 92% ~ 98% formula ratio, formula ratio, formula ratio, 45% ~ 55% formula ratio is fully mixed, in forcing machine, carry out extruding pelletization, granulation melt temperature is 110 ~ 220 ℃, gained plastic pellet drying, is A material;
(3), the preparation of B material: will the residue matrix resin of formula ratio, after the oxidation inhibitor of the crosslinking catalyst of formula ratio and residue formula ratio fully mixes, in forcing machine, carry out extruding pelletization, granulation melt temperature is 110 ~ 170 ℃, and gained plastic pellet drying is B material;
(4), extrusion moulding: step (2) gained A material, step (3) gained B material and appropriate look mother are fully mixed in blender, then compound is added forcing machine to carry out extrusion moulding, make tubing;
(5), vulcanization crosslinking: step (4) gained tubing is vulcanized by the water-bath of vapor bath or 40 ~ 90 ℃, and curing time is 10 ~ 24 hours, completes cross-linking process, obtains described tactile water tube hose.
the present invention is touched to the water tube hose processing of polishing further, can be used as tactile water inner tube and be applied on braided tube or flower sprinkling tube.
due to the enforcement of above technical scheme, the present invention compared with prior art tool has the following advantages:
the present invention touches water tube hose and has good erosion resistance, cold-hot cyclicity and ageing-resistant performance, and Shao A hardness, between 55 ~ 95, has good elasticity and snappiness; Meanwhile, the present invention touches water tube hose and can reach national health requirement and test by Ecotoxicology, the tactile water inner tube that is therefore particularly suitable for making braided tube or flower sprinkling tube.
Embodiment
below in conjunction with specific embodiment, the present invention will be further described in detail, but be not limited to these embodiment.
embodiment 1 ~ 8
the composition of raw materials of the tactile water tube hose of embodiment 1 ~ 8 is in Table 1.
the composition of raw materials of the tactile water tube hose of table 1 embodiment 1 ~ 8
in above embodiment, the polyolefin elastomer using is the combination of 0 ~ 2:0 ~ 2:1 by weight proportion of ethylene propylene copolymer, POE and ethylene-butylene copolymer; Silane is vinyltrimethoxy silane; Crosslinking catalyst is two dioctyltin laurate; Superoxide is 2,5-dimethyl-2,5-bis(t-butylperoxy) hexane; Oxidation inhibitor is four [methylene β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and combination of 1 ~ 2:1 by weight proportion of diphosphorous acid pentaerythritol stearic acid ester 2.
the various embodiments described above are all produced and are touched water tube hose as follows, and step is:
(1), raw material is prepared: by the consumption proportion of each component in composition of raw materials, take each component;
(2), the preparation of A material: after the oxidation inhibitor of the superoxide of the silane of the matrix resin of 92% ~ 98% formula ratio, formula ratio, formula ratio, 45% ~ 55% formula ratio is fully mixed, in forcing machine, carry out extruding pelletization, granulation melt temperature is 110 ~ 220 ℃, gained plastic pellet, through fluidized drying, is A material;
(3), the preparation of B material: will the residue matrix resin of formula ratio, after the oxidation inhibitor of the crosslinking catalyst of formula ratio and residue formula ratio fully mixes, in forcing machine, carry out extruding pelletization, granulation melt temperature is 110 ~ 170 ℃, and gained plastic pellet, through fluidized drying, is B material;
(4), extrusion moulding: step (2) gained A material, step (3) gained B material and appropriate look mother are fully mixed in blender, then compound is added forcing machine to carry out extrusion moulding, make tubing; The look female female product of the nontoxic look of food grade of selecting, only plays toning effect, and consumption accounts for 0 ~ 2% of whole processing materials total amount;
(5), vulcanization crosslinking: step (4) gained tubing is vulcanized by the water-bath of vapor bath or 40 ~ 90 ℃, and curing time is 10 ~ 24 hours, completes cross-linking process, obtains the tactile water tube hose of organosilane crosslinked polyolefin elastic-body material.
embodiment 9
in embodiment 1 ~ 8, Shao A hardness of embodiment 3 prepared tactile water tube hoses, between 85 ~ 81, is applicable to making the tactile water inner tube of flower sprinkling tube or braided tube the most, therefore the tactile water tube hose of embodiment 3 gained is carried out to physicochemical property test, the results are shown in table 2.
table 2 embodiment 3 gained touch the performance test results of water tube hose
embodiment 10
the prepared tactile water tube hose of embodiment 3 is carried out to health detection, examination criteria is the safety evaluation standard > > of GB/T 17219-1998 < < Drinking Water transmission & distribution wetting system and protective material, and assay is as shown in table 3:
table 3 embodiment 3 gained touch the health detected result of water tube hose
continued 3
in addition, the tactile water tube hose of embodiment 3 gained is carried out to Ecotoxicology test, result is qualified.
this tactile water tube hose is soaked in respectively in methyl alcohol, acetone, hydrochloric acid, sulfuric acid, nitric acid and sodium hydroxide solution to 180 days, and material occurs without xanthochromia and crack performance.
from above test result, the tactile water tube hose that organosilane crosslinked polyolefin elastic-body material of the present invention is made not only has good ageing-resistant, corrosion resistance nature, and there is very outstanding sanitation performance, therefore can substitute existing terpolymer EP rubber (EPDM) sebific duct or polyvinyl chloride (PVC) sebific duct and use as the tactile water inner tube of braided tube or flower sprinkling tube.
above the present invention is described in detail; its object is to allow the personage who is familiar with this art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; the equivalence that all spirit according to the present invention are done changes or modifies, and all should be encompassed in protection scope of the present invention.
Claims (5)
1. a tactile water tube hose for environmentally-friendly sanitary, is characterized in that: in parts by weight, the composition of raw materials of described tactile water tube hose is:
Matrix resin 100
Silane 1 ~ 5
Crosslinking catalyst 0.02 ~ 0.4
Superoxide 0.01 ~ 0.2
Oxidation inhibitor 0.1 ~ 0.5
Appropriate look female
Wherein, described matrix resin is the mixture that polyolefin elastomer mixes with any part by weight with polyvinyl resin;
Described polyolefin elastomer is the combination of 0 ~ 2:0 ~ 2:1 by weight proportion of ethylene propylene copolymer, POE and ethylene-butylene copolymer;
Described silane is vinyltrimethoxy silane or vinyltriethoxysilane or both combinations;
Described crosslinking catalyst is dibutyl tin laurate or two dioctyltin laurate;
Described superoxide is 2,5-dimethyl-2,5-bis(t-butylperoxy) hexane;
Described oxidation inhibitor is four [methylene β-(3,5-di-t-butyl-4-hydroxy phenyl) propionic acid] pentaerythritol ester and combination of 1 ~ 2:1 by weight proportion of diphosphorous acid pentaerythritol stearic acid ester 2;
Described tactile water tube hose is extruded machine-shaping through above-mentioned raw materials, then makes through vulcanization crosslinking.
2. according to the tactile water tube hose described in claim 1, it is characterized in that: in described matrix resin, by weight, polyolefin elastomer: the ratio of polyvinyl resin is between 0.82 ~ 0.45.
3. according to the tactile water tube hose described in claim 1, it is characterized in that: the density of described polyvinyl resin between 0.90 ~ 0.97, melting index < 20g/10min.
4. the production method of the tactile water tube hose described in any one claim in claim 1 ~ 3, is characterized in that: comprise the steps:
(1), raw material is prepared: by the consumption proportion of each component in composition of raw materials, take each component;
(2), the preparation of A material: after the oxidation inhibitor of the superoxide of the silane of the matrix resin of 92% ~ 98% formula ratio, formula ratio, formula ratio, 45% ~ 55% formula ratio is fully mixed, in forcing machine, carry out extruding pelletization, granulation melt temperature is 110 ~ 220 ℃, gained plastic pellet drying, is A material;
(3), the preparation of B material: will the residue matrix resin of formula ratio, after the oxidation inhibitor of the crosslinking catalyst of formula ratio and residue formula ratio fully mixes, in forcing machine, carry out extruding pelletization, granulation melt temperature is 110 ~ 170 ℃, and gained plastic pellet drying is B material;
(4), extrusion moulding: step (2) gained A material, step (3) gained B material and appropriate look mother are fully mixed in blender, then compound is added forcing machine to carry out extrusion moulding, make tubing;
(5), vulcanization crosslinking: step (4) gained tubing is vulcanized by the water-bath of vapor bath or 40 ~ 90 ℃, and curing time is 10 ~ 24 hours, completes cross-linking process, obtains described tactile water tube hose.
5. the application in braided tube or flower sprinkling tube field as tactile water inner tube of the tactile water tube hose described in any one claim in claim 1 ~ 3.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110251876.XA CN102408605B (en) | 2011-08-30 | 2011-08-30 | Environmentally-friendly sanitary water contact hose and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110251876.XA CN102408605B (en) | 2011-08-30 | 2011-08-30 | Environmentally-friendly sanitary water contact hose and production method thereof |
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| CN102408605A CN102408605A (en) | 2012-04-11 |
| CN102408605B true CN102408605B (en) | 2014-03-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109021405A (en) * | 2018-05-31 | 2018-12-18 | 广东联塑科技实业有限公司 | A kind of PPR pipe and its preparation method and application of high intensity high/low temperature toughness |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824180A (en) * | 2010-05-17 | 2010-09-08 | 佛山塑料集团股份有限公司 | High elasticity polyolefin hose with radiation crosslinking and preparation method thereof |
| CN102080744A (en) * | 2009-11-26 | 2011-06-01 | 东莞日进电线有限公司 | Silicon rubber water pipe and manufacturing process thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102080744A (en) * | 2009-11-26 | 2011-06-01 | 东莞日进电线有限公司 | Silicon rubber water pipe and manufacturing process thereof |
| CN101824180A (en) * | 2010-05-17 | 2010-09-08 | 佛山塑料集团股份有限公司 | High elasticity polyolefin hose with radiation crosslinking and preparation method thereof |
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