CN103289140A - Anti-static dithio sponge rubber material as well as preparation method and application thereof - Google Patents
Anti-static dithio sponge rubber material as well as preparation method and application thereof Download PDFInfo
- Publication number
- CN103289140A CN103289140A CN2013102411282A CN201310241128A CN103289140A CN 103289140 A CN103289140 A CN 103289140A CN 2013102411282 A CN2013102411282 A CN 2013102411282A CN 201310241128 A CN201310241128 A CN 201310241128A CN 103289140 A CN103289140 A CN 103289140A
- Authority
- CN
- China
- Prior art keywords
- parts
- rubber
- electrostatic
- sulphur
- sponge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention discloses an anti-static dithio sponge rubber material as well as a preparation method and an application thereof. The anti-static dithio sponge rubber material comprises the following components in parts by weight: 90-110 parts of standard rubber, 2-3 parts of sulfur, 1.7-2 parts of vulcanization accelerator, 7-9 parts of nano zinc oxide, 11-15 parts of stearic acid, 80-100 parts of argil, 2-2.5 parts of hole agent H, 0.4-0.6 part of salicylic acid, 18-22 parts of carbon black with high wear resistance, 4-6 parts of conductive black, 12-17 parts of engine oil, 8-12 parts of dibutyl phthalate and 1.5-2.5 parts of polyamide staple fibre. The preparation method of the dithio sponge rubber material formula is adjusted, so that dithio sponge also has an anti-static effect on the premise of meeting the basic performance requirement, and the application range and the application prospect of the dithio sponge are widened. The anti-static dithio sponge rubber material is wide in material source and simple in preparation method; and the invention also provides a corresponding application method.
Description
Technical field
The present invention relates to the Rubber processing field, particularly a kind of anti-electrostatic two sulphur sponge sizing materials and preparation method thereof and application.
Background technology
Generally speaking, in the rubber overshoes manufacturing processed, as the silicon rubber sponge of rubber overshoes damping key part, adopt sulfidization molding or mould sulfuration (being called for short two sulphur) technology manufacturing usually, and the used sponge of anti-electrostatic rubber overshoes is for once vulcanizing sponge.Once vulcanize rubber sponge and limit because of processing condition, product specification is low, and the fashion deficiency does not satisfy the demand of people's beauty.Also there is not post cure anti-electrostatic sponge in the prior art.As the staff who requires anti-electrostatic to handle, do not meet the high-grade anti-electrostatic rubber overshoes of aesthetic requirement, the anti-electrostatic two sulphur silk flosses that invention meets the forward position fashion demand become historical requirement.
Summary of the invention
Technical problem to be solved by this invention is: a kind of anti-electrostatic two sulphur sponge sizing materials and preparation method thereof and application are provided, and it has solved the not technical barrier of anti-electrostatic of two sulphur sponges, to overcome the deficiencies in the prior art.
The anti-electrostatic two sulphur sponge sizing materials that are achieved in that of the present invention calculate by weight, comprise 90～110 parts of standard glue, 2～3 parts of sulphur, 1.7～2 parts of vulcanization accelerators, 7～9 parts of nano zine oxides, 11～15 parts of stearic acid, 80～100 parts of potter's clay, 2～2.5 parts of gas generation agent H, 0.4～0.6 part of Whitfield's ointment, 18～22 parts of high wear-resistant carbon blacks, 4～6 parts of graphitized carbon blacks, 12～17 parts of machine oil, 8～12 parts of dibutyl phthalates and 1.5～2.5 parts of polyamide fibre staple fibres.
Preferred scheme is that calculating comprises 100 parts of standard glue by weight, 2.5 part sulphur, 1.9 parts of vulcanization accelerators, 8 parts of nano zine oxides, 13.5 part stearic acid, 90 parts of potter's clay, 2.3 parts of gas generation agent H, 0.5 part of Whitfield's ointment, 20 parts of high wear-resistant carbon blacks, 5 parts of graphitized carbon blacks, 15 parts of machine oil, 10 parts of dibutyl phthalates and 2 parts of polyamide fibre staple fibres.
Described standard glue is 2# standard glue.
Described machine oil is 46# machine oil.
Described vulcanization accelerator is, per 1.9 parts of vulcanization accelerators are by 0.5 part of captax, and 1.2 parts of altaxs and 0.2 part of TM monex TD form.
The preparation method of anti-electrostatic two sulphur sponge sizing materials gets each component, 1 by above-mentioned weight fraction) the preparation master batch: the standard glue with 1/2 is not higher than 50 ℃ opening rubber mixing machine in temperature plasticates to Wei Shi plasticity number 0.63～0.68, gets the rubber master batch broken-(down)rubber; The rubber master batch broken-(down)rubber is added in the banburying, add 2 parts of stearic acid, polyamide fibre staple fibre and graphitized carbon blacks, refine and add high wear-resistant carbon black after 2 minutes, after re-refining 4 minutes, add machine oil, after treating that Banbury mixer is loaded, refine after 1 minute, add dibutyl phthalate (DBP) again, treat that rubber mixing machine is loaded after, refine made dibutyl phthalate (DBP) all hold to go in the colloid in 3 minutes after, discharge is to opening rubber mixing machine, and sizing material turned refining evenly following sheet under 5～6mm roll spacing, naturally cool to room temperature, place 24 hours standby; 2) preparation broken-(down)rubber: remaining standard glue is not higher than 50 ℃ opening rubber mixing machine in temperature plasticates to Wei Shi plasticity number 0.63～0.68, get broken-(down)rubber; 3) broken-(down)rubber that makes preparation rubber unvulcanizate: with step 2), vulcanization accelerator, nano zine oxide, remaining stearic acid, gas generation agent H, Whitfield's ointment and sulphur drop in the rubber mixing machine, refine after 1.5 minutes, add master batch, re-refined 1 minute, add potter's clay then, refine after 4 minutes, discharge is to opening rubber mixing machine, is under the condition of 4～5 mm in the roll spacing of opening rubber mixing machine, with the rubber unvulcanizate refining evenly, the slice water cooling detects and corrects, and the sulfuration starting point that makes rubber unvulcanizate is 2 minutes 40 seconds～3 minutes and 30 seconds, plasticity number is 0.52～0.58, namely gets anti-electrostatic two sulphur sponge sizing material finished products.
The application of anti-electrostatic two sulphur sponge sizing materials, with anti-electrostatic two sulphur sponge sizing materials slice in mill, slice thickness is 3～3.5mm, is cut into corresponding film by mold shape; The glue face of base fabric in the film that cuts and the anti-electrostatic rubber overshoes sponge that cuts is pasted, after the metering adhesive plaster weight, with it in 160～170 ℃ two sulphur sponge mold cavities, cloth is faced down, glue faces up, under pressure 20MPa condition, vulcanized 3.5～4.5 minutes, repair and flow limit glue, namely get anti-electrostatic two sulphur sponge finished products.
In order further to verify effect of the present invention, carried out following experiment:
One, standard glue broken-(down)rubber Wei Shi plasticity number influences the sponge foaming effect
Obtain by table 1, the Wei Shi plasticity number of the required standard glue of two sulphur gelatin sponge is 0.63-0.68.
Two, sulfuration cooperation system is to foaming effect and resistance value influences
1, vulcanization system, a pore system are to two sulphur sponge quality influence
2, rubber softening system, reinforcing and filling system are to the sponge quality influence
By table 2, table 3, acquisition optimum formula consumption be: 100 parts of 2# standard glue, 2.5 parts of sulphur, 1.9 parts of vulcanization accelerators, 8 parts of nano zine oxides, 13.5 parts of stearic acid, 2.5 parts of gas generation agent H, 0.5 part of Whitfield's ointment, 90 parts of potter's clay, 20 parts of high wear-resistant carbon blacks, 5 parts of graphitized carbon blacks, 15 parts of 46# machine oil, 10 parts of dibutyl phthalates, 2 parts of polyamide fibre staple fibres.
Three, cure conditions research:
Draw by table 4 testing data, the optimum cure condition of anti-electrostatic two sulphur sponges is: vulcanizer operating pressure 20MPa, 165 ℃ of curing temperatures, curing time 3.5min.
Five, the accelerator combination system is to anti-electrostatic two sulphur sponge quality influence
Draw by table 5, the best proportioning of promotor is: per 1.9 parts of vulcanization accelerators are by 0.5 part of captax, 1.2 parts of altaxs and 0.2 part of TM monex TD.
Owing to adopted technique scheme, compared with prior art, the present invention adjusts the sizing compound formula preparation method of two sulphur sponges, make two sulphur sponges under the prerequisite that satisfies its basic performance requriements, the effect that also has anti-electrostatic has improved its scope of application and application prospect, and material source of the present invention is extensive, the preparation method is simple, but also corresponding application method is provided.The present invention is simple, and is with low cost, and the result of use of product is good.
Embodiment
Embodiments of the invention: anti-electrostatic two sulphur sponge sizing materials, calculate by weight, comprise 100 parts of 2# standard glue, 2.5 part sulphur, 1.9 parts of vulcanization accelerators, 8 parts of nano zine oxides, 13.5 part stearic acid, 90 parts of potter's clay, 2.3 parts of gas generation agent H, 0.5 part of Whitfield's ointment, 20 parts of high wear-resistant carbon blacks, 5 parts of graphitized carbon blacks, 15 parts of 46# machine oil, 10 parts of dibutyl phthalates and 2 parts of polyamide fibre staple fibres; Per 1.9 parts of vulcanization accelerators are by 0.5 part of captax, and 1.2 parts of altaxs and 0.2 part of TM monex TD form.
The preparation method of anti-electrostatic two sulphur sponge sizing materials gets each component, 1 by above-mentioned weight fraction) the preparation master batch: the standard glue with 1/2 is not higher than 50 ℃ opening rubber mixing machine in temperature plasticates to Wei Shi plasticity number 0.63～0.68, gets the rubber master batch broken-(down)rubber; The rubber master batch broken-(down)rubber is added in the banburying, add 2 parts of stearic acid, polyamide fibre staple fibre and graphitized carbon blacks, refine and add high wear-resistant carbon black after 2 minutes, after re-refining 4 minutes, add machine oil, after treating that Banbury mixer is loaded, refine after 1 minute, add dibutyl phthalate (DBP) again, treat that rubber mixing machine is loaded after, refine made dibutyl phthalate (DBP) all hold to go in the colloid in 3 minutes after, discharge is to opening rubber mixing machine, and sizing material turned refining evenly following sheet under 5～6mm roll spacing, naturally cool to room temperature, place 24 hours standby; 2) preparation broken-(down)rubber: remaining standard glue is not higher than 50 ℃ opening rubber mixing machine in temperature plasticates to Wei Shi plasticity number 0.63～0.68, get broken-(down)rubber; 3) broken-(down)rubber that makes preparation rubber unvulcanizate: with step 2), vulcanization accelerator, nano zine oxide, remaining stearic acid, gas generation agent H, Whitfield's ointment and sulphur drop in the rubber mixing machine, refine after 1.5 minutes, add master batch, re-refined 1 minute, add potter's clay then, refine after 4 minutes, discharge is to opening rubber mixing machine, is under the condition of 4～5 mm in the roll spacing of opening rubber mixing machine, with the rubber unvulcanizate refining evenly, the slice water cooling detects and corrects, and the sulfuration starting point that makes rubber unvulcanizate is 2 minutes 40 seconds～3 minutes and 30 seconds, plasticity number is 0.52～0.58, namely gets anti-electrostatic two sulphur sponge sizing material finished products.
The application of anti-electrostatic two sulphur sponge sizing materials, with anti-electrostatic two sulphur sponge sizing materials slice in mill, slice thickness is 3～3.5mm, is cut into corresponding film by mold shape; The glue face of base fabric in the film that cuts and the anti-electrostatic rubber overshoes sponge that cuts is pasted, after the metering adhesive plaster weight, with it in 160～170 ℃ two sulphur sponge mold cavities, cloth is faced down, glue faces up, under pressure 20MPa condition, vulcanized 3.5～4.5 minutes, repair and flow limit glue, namely get anti-electrostatic two sulphur sponge finished products.
Claims (7)
1. anti-electrostatic two sulphur sponge sizing materials is characterized in that: calculate by weight, comprise 90～110 parts of standard glue, 2～3 parts of sulphur, 1.7～2 parts of vulcanization accelerators, 7～9 parts of nano zine oxides, 11～15 parts of stearic acid, 80～100 parts of potter's clay, 2～2.5 parts of gas generation agent H, 0.4～0.6 part of Whitfield's ointment, 18～22 parts of high wear-resistant carbon blacks, 4～6 parts of graphitized carbon blacks, 12～17 parts of machine oil, 8～12 parts of dibutyl phthalates and 1.5～2.5 parts of polyamide fibre staple fibres.
2. anti-electrostatic two sulphur sponge sizing materials according to claim 1 is characterized in that: calculate by weight, comprise 100 parts of standard glue, 2.5 part sulphur, 1.9 parts of vulcanization accelerators, 8 parts of nano zine oxides, 13.5 part stearic acid, 90 parts of potter's clay, 2.3 parts of gas generation agent H, 0.5 part of Whitfield's ointment, 20 parts of high wear-resistant carbon blacks, 5 parts of graphitized carbon blacks, 15 parts of machine oil, 10 parts of dibutyl phthalates and 2 parts of polyamide fibre staple fibres.
3. anti-electrostatic two sulphur sponge sizing materials according to claim 1 and 2, it is characterized in that: described standard glue is 2# standard glue.
4. anti-electrostatic two sulphur sponge sizing materials according to claim 1 and 2, it is characterized in that: described machine oil is 46# machine oil.
5. anti-electrostatic two sulphur sponge sizing materials according to claim 1 and 2 is characterized in that: described vulcanization accelerator is, per 1.9 parts of vulcanization accelerators are by 0.5 part of captax, and 1.2 parts of altaxs and 0.2 part of TM monex TD form.
6. the preparation method of anti-electrostatic two sulphur sponge sizing materials as claimed in claim 1, it is characterized in that: get each component by above-mentioned weight fraction, 1) preparation master batch: the standard glue with 1/2 is not higher than 50 ℃ opening rubber mixing machine in temperature plasticates to Wei Shi plasticity number 0.63～0.68, gets the rubber master batch broken-(down)rubber; The rubber master batch broken-(down)rubber is added in the banburying, add 2 parts of stearic acid, polyamide fibre staple fibre and graphitized carbon blacks, refine and add high wear-resistant carbon black after 2 minutes, after re-refining 4 minutes, add machine oil, after treating that Banbury mixer is loaded, refine after 1 minute, add dibutyl phthalate (DBP) again, treat that rubber mixing machine is loaded after, refine made dibutyl phthalate (DBP) all hold to go in the colloid in 3 minutes after, discharge is to opening rubber mixing machine, and sizing material turned refining evenly following sheet under 5～6mm roll spacing, naturally cool to room temperature, place 24 hours standby; 2) preparation broken-(down)rubber: remaining standard glue is not higher than 50 ℃ opening rubber mixing machine in temperature plasticates to Wei Shi plasticity number 0.63～0.68, get broken-(down)rubber; 3) broken-(down)rubber that makes preparation rubber unvulcanizate: with step 2), vulcanization accelerator, nano zine oxide, remaining stearic acid, gas generation agent H, Whitfield's ointment and sulphur drop in the rubber mixing machine, refine after 1.5 minutes, add master batch, re-refined 1 minute, add potter's clay then, refine after 4 minutes, discharge is to opening rubber mixing machine, is under the condition of 4～5 mm in the roll spacing of opening rubber mixing machine, with the rubber unvulcanizate refining evenly, the slice water cooling detects and corrects, and the sulfuration starting point that makes rubber unvulcanizate is 2 minutes 40 seconds～3 minutes and 30 seconds, plasticity number is 0.52～0.58, namely gets anti-electrostatic two sulphur sponge sizing material finished products.
7. the application of anti-electrostatic two sulphur sponge sizing materials as claimed in claim 1 is characterized in that: with anti-electrostatic two sulphur sponge sizing materials slice in mill, slice thickness is 3～3.5mm, is cut into corresponding film by mold shape; The glue face of base fabric in the film that cuts and the anti-electrostatic rubber overshoes sponge that cuts is pasted, after the metering adhesive plaster weight, with it in 160～170 ℃ two sulphur sponge mold cavities, cloth is faced down, glue faces up, under pressure 20MPa condition, vulcanized 3.5～4.5 minutes, repair and flow limit glue, namely get anti-electrostatic two sulphur sponge finished products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310241128.2A CN103289140B (en) | 2013-06-18 | 2013-06-18 | Anti-electrostatic two sulphur sponge sizing material and preparation method thereof and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310241128.2A CN103289140B (en) | 2013-06-18 | 2013-06-18 | Anti-electrostatic two sulphur sponge sizing material and preparation method thereof and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103289140A true CN103289140A (en) | 2013-09-11 |
| CN103289140B CN103289140B (en) | 2016-04-13 |
Family
ID=49090709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310241128.2A Active CN103289140B (en) | 2013-06-18 | 2013-06-18 | Anti-electrostatic two sulphur sponge sizing material and preparation method thereof and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103289140B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109400975A (en) * | 2018-10-31 | 2019-03-01 | 际华三五三七制鞋有限责任公司 | Conductive shoes tasteless disulfide sponge sizing material and preparation method and application |
| CN109400974A (en) * | 2018-10-31 | 2019-03-01 | 际华三五三七制鞋有限责任公司 | Conductive disulfide sponge sizing material and preparation method and application |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1376731A (en) * | 2001-03-27 | 2002-10-30 | 中国人民解放军总后勤部军需装备研究所士兵系统研究中心 | Spongy rubber containing short fibres |
| CN1830344A (en) * | 2005-03-11 | 2006-09-13 | 中国人民解放军总后勤部军需装备研究所 | Antibacterial spoonga rubber shoe insole and its production method |
| CN101238920A (en) * | 2008-03-13 | 2008-08-13 | 际华三五一七橡胶制品有限公司 | Special type protection work shoes with antistatic oil-resistant function |
| CN101584512A (en) * | 2009-04-21 | 2009-11-25 | 际华三五一七橡胶制品有限公司 | A kind of new sponge insole and preparation method thereof |
| CN101659763A (en) * | 2009-10-09 | 2010-03-03 | 际华三五三七制鞋有限责任公司 | Light high elasticity deodorant rubber spongy cushion for shoes and preparation method thereof |
| CN102796288A (en) * | 2012-08-09 | 2012-11-28 | 际华三五三七制鞋有限责任公司 | Novel antiskid antistatic rubber sole and preparation method thereof |
| CN103087361A (en) * | 2013-01-28 | 2013-05-08 | 江阴海达橡塑股份有限公司 | Blown rubber for thick product and variable temperature mould pressing preparation method thereof |
-
2013
- 2013-06-18 CN CN201310241128.2A patent/CN103289140B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1376731A (en) * | 2001-03-27 | 2002-10-30 | 中国人民解放军总后勤部军需装备研究所士兵系统研究中心 | Spongy rubber containing short fibres |
| CN1830344A (en) * | 2005-03-11 | 2006-09-13 | 中国人民解放军总后勤部军需装备研究所 | Antibacterial spoonga rubber shoe insole and its production method |
| CN101238920A (en) * | 2008-03-13 | 2008-08-13 | 际华三五一七橡胶制品有限公司 | Special type protection work shoes with antistatic oil-resistant function |
| CN101584512A (en) * | 2009-04-21 | 2009-11-25 | 际华三五一七橡胶制品有限公司 | A kind of new sponge insole and preparation method thereof |
| CN101659763A (en) * | 2009-10-09 | 2010-03-03 | 际华三五三七制鞋有限责任公司 | Light high elasticity deodorant rubber spongy cushion for shoes and preparation method thereof |
| CN102796288A (en) * | 2012-08-09 | 2012-11-28 | 际华三五三七制鞋有限责任公司 | Novel antiskid antistatic rubber sole and preparation method thereof |
| CN103087361A (en) * | 2013-01-28 | 2013-05-08 | 江阴海达橡塑股份有限公司 | Blown rubber for thick product and variable temperature mould pressing preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109400975A (en) * | 2018-10-31 | 2019-03-01 | 际华三五三七制鞋有限责任公司 | Conductive shoes tasteless disulfide sponge sizing material and preparation method and application |
| CN109400974A (en) * | 2018-10-31 | 2019-03-01 | 际华三五三七制鞋有限责任公司 | Conductive disulfide sponge sizing material and preparation method and application |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103289140B (en) | 2016-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102604171B (en) | Production process for rubber foam material by means of compression molding | |
| CN103289141A (en) | Anti-static odorless odor-resistant dithio sponge rubber material as well as preparation method and application thereof | |
| CN103275364A (en) | Anti-static bacteriostatic disulfide sponge sizing material, and preparation method and application thereof | |
| CN101955599B (en) | Formula for in situ preparing rolled high brightness shoe side rubber and preparation method thereof | |
| CN103275362A (en) | Electrostatic prevention rubber core filling sizing material for rubber shoes and preparation method and application thereof | |
| CN101948575A (en) | Formula and preparation method of rolled in-situ generated high-brightness sole rubber | |
| CN101864099B (en) | Preparation technology of high-insulation natural rubber material | |
| CN103275363A (en) | Anti-static flavorless disulfide sponge sizing material, and preparation method and application thereof | |
| CN105176059A (en) | Electro-chemically modified and CF (carbon fiber) reinforced TPU (thermoplastic polyurethane) composite material and preparation method thereof | |
| CN103289140A (en) | Anti-static dithio sponge rubber material as well as preparation method and application thereof | |
| CN103342837B (en) | A kind of ozone-resistant aging property is good and the aircraft tyre statical equilibrium sheet external coated rubber sizing material that intensity is high | |
| CN103319896B (en) | VMQ silicon rubber/EVA closed cell foamed materials and preparation method thereof | |
| CN103289411B (en) | Closed cell foamed material and preparation method thereof is blended in Silicone Rubber/EPDM binary | |
| CN104371151A (en) | Calendered black rubber surround bar for flexing endurable liberation shoes as well as preparation method and application of calendered black rubber surround bar | |
| CN106009109A (en) | Flame-retardant rubber-based damping friction-resistant sealing material and preparation method thereof | |
| CN103642080B (en) | Natural rubber sponge with high compressive load retention rate and preparation method thereof | |
| TWI460072B (en) | Manufacturing method of composite fabric | |
| EP3719098B1 (en) | Process for manufacturing super thermal-conductive graphene curing bladder | |
| CN206317261U (en) | A kind of rubber system of processing | |
| CN103059361B (en) | Rubber and production method thereof | |
| CN103554584A (en) | Processing method of antibacterial composite polymerized styrene-butadiene rubber (SSBR) film with plant source | |
| CN107417989A (en) | A kind of high strength high insulation natural rubber and preparation method thereof | |
| CN108641133A (en) | Graphene modified rubber and its preparation method and application | |
| CN100361797C (en) | Method for preparing brake sheets made from macromolecule alloy | |
| CN107082967A (en) | A kind of cold-resistant Fabric Solid-woven Fire-resistant Conveyer Belt and its manufacture method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 550025 No. 1 Qingxi Road, Huaxi District, Guiyang City, Guizhou Province Patentee after: Jihua 3537 Co.,Ltd. Address before: 550025 No. 1 Qingxi Road, Huaxi District, Guiyang City, Guizhou Province Patentee before: JIHUA 3537 SHOE-MAKING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 550025 No. 1 Qingxi Road, Huaxi District, Guizhou, Guiyang Patentee after: Jihua Shoes Industry Co.,Ltd. Address before: 550025 No. 1 Qingxi Road, Huaxi District, Guizhou, Guiyang Patentee before: Jihua 3537 Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |