CN103242575A - High-stretchproof cable sheath material - Google Patents
High-stretchproof cable sheath material Download PDFInfo
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- CN103242575A CN103242575A CN2013101523793A CN201310152379A CN103242575A CN 103242575 A CN103242575 A CN 103242575A CN 2013101523793 A CN2013101523793 A CN 2013101523793A CN 201310152379 A CN201310152379 A CN 201310152379A CN 103242575 A CN103242575 A CN 103242575A
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- 239000000463 material Substances 0.000 title claims abstract description 21
- 239000000945 filler Substances 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000002253 acid Substances 0.000 claims abstract description 7
- 229920001084 poly(chloroprene) Polymers 0.000 claims abstract description 7
- PDQAZBWRQCGBEV-UHFFFAOYSA-N Ethylenethiourea Chemical compound S=C1NCCN1 PDQAZBWRQCGBEV-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- TVWTZAGVNBPXHU-FOCLMDBBSA-N dioctyl (e)-but-2-enedioate Chemical compound CCCCCCCCOC(=O)\C=C\C(=O)OCCCCCCCC TVWTZAGVNBPXHU-FOCLMDBBSA-N 0.000 claims abstract description 5
- KTWOOEGAPBSYNW-UHFFFAOYSA-N ferrocene Chemical compound [Fe+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 KTWOOEGAPBSYNW-UHFFFAOYSA-N 0.000 claims abstract description 5
- -1 isophthalic acid ester Chemical class 0.000 claims abstract description 5
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 claims abstract description 5
- 229910001635 magnesium fluoride Inorganic materials 0.000 claims abstract description 5
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 5
- QQVIHTHCMHWDBS-UHFFFAOYSA-N perisophthalic acid Natural products OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims abstract description 5
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000003513 alkali Substances 0.000 claims abstract description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 12
- ZORQXIQZAOLNGE-UHFFFAOYSA-N 1,1-difluorocyclohexane Chemical compound FC1(F)CCCCC1 ZORQXIQZAOLNGE-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 6
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 6
- 229940024545 aluminum hydroxide Drugs 0.000 claims description 6
- CJDPJFRMHVXWPT-UHFFFAOYSA-N barium sulfide Chemical compound [S-2].[Ba+2] CJDPJFRMHVXWPT-UHFFFAOYSA-N 0.000 claims description 6
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 6
- 229940035049 sorbitan monooleate Drugs 0.000 claims description 6
- 235000011069 sorbitan monooleate Nutrition 0.000 claims description 6
- 239000001593 sorbitan monooleate Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 235000011149 sulphuric acid Nutrition 0.000 claims description 6
- 239000001117 sulphuric acid Substances 0.000 claims description 6
- 239000004408 titanium dioxide Substances 0.000 claims description 6
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 4
- 239000003112 inhibitor Substances 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 3
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 claims description 3
- 238000000498 ball milling Methods 0.000 claims description 3
- AFZSMODLJJCVPP-UHFFFAOYSA-N dibenzothiazol-2-yl disulfide Chemical compound C1=CC=C2SC(SSC=3SC4=CC=CC=C4N=3)=NC2=C1 AFZSMODLJJCVPP-UHFFFAOYSA-N 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 239000012065 filter cake Substances 0.000 claims description 3
- 239000000706 filtrate Substances 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- 230000032683 aging Effects 0.000 abstract description 5
- 239000003921 oil Substances 0.000 abstract description 5
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 2
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- PWWSSIYVTQUJQQ-UHFFFAOYSA-N distearyl thiodipropionate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCCCCCCCC PWWSSIYVTQUJQQ-UHFFFAOYSA-N 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000035882 stress Effects 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical compound C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 abstract 1
- DHWJPPZXJVFBLT-UHFFFAOYSA-N 3,4-bis(2-ethylhexyl)-7-oxabicyclo[4.1.0]hept-1-ene-3,4-dicarboxylic acid Chemical compound CCCCC(CC)CC1(C(O)=O)C(CC(CC)CCCC)(C(O)=O)CC2OC2=C1 DHWJPPZXJVFBLT-UHFFFAOYSA-N 0.000 abstract 1
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- 230000003078 antioxidant effect Effects 0.000 abstract 1
- 230000020169 heat generation Effects 0.000 abstract 1
- 235000013873 oxidized polyethylene wax Nutrition 0.000 abstract 1
- 239000004209 oxidized polyethylene wax Substances 0.000 abstract 1
- 230000036314 physical performance Effects 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 238000002156 mixing Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- XUIMIQQOPSSXEZ-NJFSPNSNSA-N silicon-30 atom Chemical compound [30Si] XUIMIQQOPSSXEZ-NJFSPNSNSA-N 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses a high-stretchproof cable sheath material. The material consists of the following raw material in parts by weight: 90-100 parts of chloroprene rubber CR121, 6-8 parts of di(2-ethylhexyl)-4,5-epoxytetrahydrophthalate, 4-6 parts of isophthalic acid ester, 5-7 parts of oxidized polyethylene wax, 2-3 parts of magnesium fluoride, 3-5 parts of ferrocene, 1-2 parts of an anti-aging agent aw, 1-2 parts of 2-benzimidazolethiol, 5-8 parts of dioctyl maleate, 1-2 parts of an accelerator DM, 3-4 parts of zinc borate, 20-30 parts of nano silicon dioxide, 2-3 parts of an antioxidant DSTP, 2-3 parts of ethylene thiourea and 25-35 parts of a modified filler. The produced cable sheath material has excellent physical performance, dimension stability, low shrinkage, strong product stretching accelerant strength, anti-tearing strength and elastic force and good oil resistance, heat resistance, burning resistance, sun light resistance, ozone resistance, acid and alkali resistance and chemical reagent resistance; and the modified filler has good dispersibility and low surface tension, so that the tensile strength and stress at definite elongation of the cable sheath material are further improved, the heat generation and compression permanent deformation are reduced, the aging speed of the cable sheath material can be slowed down, and the cable sheath material can resist acid and alkaline corrosion and is low in production cost.
Description
Technical field
The present invention relates generally to a kind of cable jacket material, relates in particular to the cable jacket material that a kind of high tensile is stretched.
Background technology
Chloroprene rubber has good physical and mechanical properties, and oil resistant is heat-resisting, anti-combustion, anti-daylight, anti-ozone, acid and alkali-resistance, chemical-resistant reagent.Have higher draw tensile strength, elongation and reversible crystallinity, cementability is good, ageing-resistant, heat-resisting, oil resistant, chemical resistance excellence, but at 80～100 ℃ of life-time service, has certain flame retardant resistance, but it is relatively poor that shortcoming is package stability, therefore just can guarantee that as cable jacket material it has very strong heat-resisting, ageing-resistant, oil resistant, characteristic such as corrosion-resistant with chloroprene rubber, and improve its package stability by adding some modified fillers, with regard to the further performance of improving cable jacket material.
Summary of the invention
The object of the invention is exactly the cable jacket material in order to provide a kind of high tensile to stretch.
The present invention is achieved by the following technical solutions:
The cable jacket material that a kind of high tensile is stretched, it is made up of the raw material of following weight parts:
Chloroprene rubber CR121 90-100, epoxy tetrahydro-2-ethylhexyl phthalate 6-8, isophthalic acid ester 4-6, oxidized polyethlene wax 5-7, magnesium fluoride 2-3, ferrocene 3-5, anti-aging agent aw 1-2,2-thiol group benzimidazolyl 1-2, dioctyl maleate 5-8, altax 1-2, zinc borate 3-4, nano silicon 20-30, oxidation inhibitor DSTP2-3, ethylene thiourea 2-3, modified filler 25-35;
Described modified filler is made up of the raw material of following weight parts:
The sulphuric acid soln 900-1000 of 0.3-0.5%, barium sulphide 80-90, ethanol 30-40, aluminium-hydroxide powder 10-15, sorbitan monooleate 10-12, distearyl acyl-oxygen aluminum isopropoxide acid esters 2-3, titanium dioxide 2-4, Union carbide A-162 1-2, sodium polyacrylate 4-6, dicumyl peroxide 1-2, bubble flower alkali 4-6, stearic acid 2-4, water are an amount of;
Continue to feed above-mentioned sulphuric acid soln in the barium sulphide, after feeding finishes, add sodium polyacrylate, fully stirred 6-10 minute down at 60-80 ℃, remove by filter filtrate, filter cake is washed 2-3 time, add 1-2 times of water, aluminium-hydroxide powder, titanium dioxide, sorbitan monooleate, Union carbide A-162, under 2000-2500 rev/min rotating speed dispersed with stirring 10-20 minute, add each raw material of residue again, fully stir, being heated to temperature is 70-80 ℃, ball milling gets the modified filler that fineness is 2-4 μ m.
Advantage of the present invention is:
The cable jacket material physicals excellence that the present invention produces, dimensional stabilizing, shrinking percentage is low, product draws degree of promoting the strong, tearing toughness, screen resilience performance strong, has good oil resistant, and is heat-resisting, anti-combustion, anti-daylight, anti-ozone, acid and alkali-resistance, chemical reagent-resistant performance, modified filler of the present invention, good dispersity, surface tension is low, has further improved tensile strength, the stress at definite elongation of CABLE MATERIALS, low-heat-generation and compression set are fallen, not only can delay the aging speed of CABLE MATERIALS, and the energy acid-alkali-corrosive-resisting, reduce production costs.
Embodiment
Embodiment 1
The cable jacket material that a kind of high tensile is stretched is characterized in that what it was made up of the raw material of following weight parts (kilogram):
Chloroprene rubber CR121 100, epoxy tetrahydro-2-ethylhexyl phthalate 8, isophthalic acid ester 6, oxidized polyethlene wax 7, magnesium fluoride 3, ferrocene 5, anti-aging agent aw 2,2-thiol group benzimidazolyl 1, dioctyl maleate 8, altax 2, zinc borate 4, nano silicon 30, oxidation inhibitor DSTP3, ethylene thiourea 3, modified filler 35;
Described modified filler is made up of the raw material of following weight parts:
Concentration is that 0.5% sulphuric acid soln 1000, barium sulphide 90, ethanol 40, aluminium-hydroxide powder 15, sorbitan monooleate 12, distearyl acyl-oxygen aluminum isopropoxide acid esters 3, titanium dioxide 4, Union carbide A-162 2, sodium polyacrylate 6, dicumyl peroxide 2, bubble flower alkali 6, stearic acid 3, water are an amount of;
Above-mentioned sulphuric acid soln is continued to import in the above-mentioned barium sulphide, after importing finishes, add sodium polyacrylate, fully stirred 10 minutes down at 80 ℃, remove by filter filtrate, filter cake is washed 3 times, add 2 times of water, aluminium-hydroxide powder, titanium dioxide, sorbitan monooleate, Union carbide A-162, stirring and segregation is 20 minutes under 2500 rev/mins rotating speed, add each raw material of residue, fully stir, being heated to temperature is 80 ℃, ball milling gets the modified filler that fineness is 4 μ m.
The preparation method of the cable jacket material that described anti-high tensile is stretched may further comprise the steps:
(1) above-mentioned chloroprene rubber CR121 is mixed the adding Banbury mixer with epoxy tetrahydro-2-ethylhexyl phthalate, isophthalic acid ester, oxidized polyethlene wax, magnesium fluoride, be 85-90 ℃ in temperature and descended mixing 2-3 minute;
(2) add again above-mentioned ferrocene, anti-aging agent aw, 2-thiol group benzimidazolyl, dioctyl maleate,, zinc borate, nano silicon, oxidation inhibitor DSTP, ethylene thiourea, modified filler, be under 85-90 ℃ in temperature, mixing 4-6 minute;
(3) add each raw material of residue again, be 55-60 ℃ in temperature and descended mixing 2-3 minute, the discharging cooling namely gets described cable jacket material.
Performance test:
Tensile strength: 17.8MPa;
Elongation at break: 705%;
Oil-proofness: 100 ℃ * 70h of 20# machine oil, elongation at break conservation rate 72.5%, tensile strength conservation rate 78.5%;
Anti-ozone: 25 ℃, 24h, ozone concn 0.024%, do not have cracking;
Ageing-resistant: 120 ℃, 150h, tensile strength conservation rate 91.5%, elongation at break conservation rate 80.7%.
Claims (1)
1. cable jacket material that high tensile is stretched is characterized in that what it was made up of the raw material of following weight parts:
Chloroprene rubber CR121 90-100, epoxy tetrahydro-2-ethylhexyl phthalate 6-8, isophthalic acid ester 4-6, oxidized polyethlene wax 5-7, magnesium fluoride 2-3, ferrocene 3-5, anti-aging agent aw 1-2,2-thiol group benzimidazolyl 1-2, dioctyl maleate 5-8, altax 1-2, zinc borate 3-4, nano silicon 20-30, oxidation inhibitor DSTP2-3, ethylene thiourea 2-3, modified filler 25-35;
Described modified filler is made up of the raw material of following weight parts:
The sulphuric acid soln 900-1000 of 0.3-0.5%, barium sulphide 80-90, ethanol 30-40, aluminium-hydroxide powder 10-15, sorbitan monooleate 10-12, distearyl acyl-oxygen aluminum isopropoxide acid esters 2-3, titanium dioxide 2-4, Union carbide A-162 1-2, sodium polyacrylate 4-6, dicumyl peroxide 1-2, bubble flower alkali 4-6, stearic acid 2-4, water are an amount of;
Continue to feed above-mentioned sulphuric acid soln in the barium sulphide, after feeding finishes, add sodium polyacrylate, fully stirred 6-10 minute down at 60-80 ℃, remove by filter filtrate, filter cake is washed 2-3 time, add 1-2 times of water, aluminium-hydroxide powder, titanium dioxide, sorbitan monooleate, Union carbide A-162, under 2000-2500 rev/min rotating speed dispersed with stirring 10-20 minute, add each raw material of residue again, fully stir, being heated to temperature is 70-80 ℃, ball milling gets the modified filler that fineness is 2-4 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310152379.3A CN103242575B (en) | 2013-04-27 | 2013-04-27 | A kind of cable jacket material of high tensile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310152379.3A CN103242575B (en) | 2013-04-27 | 2013-04-27 | A kind of cable jacket material of high tensile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103242575A true CN103242575A (en) | 2013-08-14 |
| CN103242575B CN103242575B (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310152379.3A Active CN103242575B (en) | 2013-04-27 | 2013-04-27 | A kind of cable jacket material of high tensile |
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| Country | Link |
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| CN (1) | CN103242575B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104845046A (en) * | 2015-05-08 | 2015-08-19 | 芜湖航天特种电缆厂 | High-strength wave-proof sleeve |
| CN105070370A (en) * | 2015-07-22 | 2015-11-18 | 安徽华宇电缆集团有限公司 | Compression-resistant and corrosion-resistant cable for ships |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1156493A1 (en) * | 2000-05-19 | 2001-11-21 | Sagem Sa | Crosslinkable semi-conductive composition and electrical cable with semi-conductive film |
| CN101613504A (en) * | 2009-07-24 | 2009-12-30 | 青岛中阳消防科技有限公司 | A kind of material and preparation method with temperature sensing cable material of CRT characteristic |
-
2013
- 2013-04-27 CN CN201310152379.3A patent/CN103242575B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1156493A1 (en) * | 2000-05-19 | 2001-11-21 | Sagem Sa | Crosslinkable semi-conductive composition and electrical cable with semi-conductive film |
| CN101613504A (en) * | 2009-07-24 | 2009-12-30 | 青岛中阳消防科技有限公司 | A kind of material and preparation method with temperature sensing cable material of CRT characteristic |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104845046A (en) * | 2015-05-08 | 2015-08-19 | 芜湖航天特种电缆厂 | High-strength wave-proof sleeve |
| CN104845046B (en) * | 2015-05-08 | 2018-05-18 | 芜湖航天特种电缆厂股份有限公司 | High intensity wave prevention sleeve |
| CN105070370A (en) * | 2015-07-22 | 2015-11-18 | 安徽华宇电缆集团有限公司 | Compression-resistant and corrosion-resistant cable for ships |
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| Publication number | Publication date |
|---|---|
| CN103242575B (en) | 2016-03-16 |
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Address after: Tianchang city of Chuzhou province Anhui Tiankang road 239300 No. 28 Patentee after: ANHUI KANGLIYA CO., LTD. Address before: Tianchang city of Chuzhou province Anhui Tiankang road 239300 No. 28 Patentee before: Anhui Province Kangliya Industry Co., Ltd. |