CN103289140B - Anti-electrostatic two sulphur sponge sizing material and preparation method thereof and application - Google Patents

Anti-electrostatic two sulphur sponge sizing material and preparation method thereof and application Download PDF

Info

Publication number
CN103289140B
CN103289140B CN201310241128.2A CN201310241128A CN103289140B CN 103289140 B CN103289140 B CN 103289140B CN 201310241128 A CN201310241128 A CN 201310241128A CN 103289140 B CN103289140 B CN 103289140B
Authority
CN
China
Prior art keywords
parts
rubber
sulphur
electrostatic
sizing material
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.)
Active
Application number
CN201310241128.2A
Other languages
Chinese (zh)
Other versions
CN103289140A (en
Inventor
晋齐怀
石银平
陈松雄
田吉
彭德彪
廖甫江
王春桥
安廷飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jihua Shoes Industry Co ltd
Original Assignee
Jihua 3537 Shoe Making Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jihua 3537 Shoe Making Co Ltd filed Critical Jihua 3537 Shoe Making Co Ltd
Priority to CN201310241128.2A priority Critical patent/CN103289140B/en
Publication of CN103289140A publication Critical patent/CN103289140A/en
Application granted granted Critical
Publication of CN103289140B publication Critical patent/CN103289140B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Compositions Of Macromolecular Compounds (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The invention discloses a kind of anti-electrostatic two sulphur sponge sizing material and preparation method thereof and application, calculate by weight, comprise 90 ~ 110 parts of standard rubbers, 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 staple fibres.The sizing compound formula preparation method of the present invention to two sulphur sponges adjusts, make two sulphur sponges under the prerequisite meeting its basic performance requriements, also there is the effect of anti-electrostatic, improve its scope of application and application prospect, material source of the present invention is extensive, preparation method is simple, but also provides corresponding application method.

Description

Anti-electrostatic two sulphur sponge sizing material and preparation method thereof and application
Technical field
The present invention relates to rubber processing, particularly a kind of anti-electrostatic two sulphur sponge sizing material and preparation method thereof and application.
Background technology
Generally, in rubber overshoes manufacturing processed, as the silicon rubber sponge of rubber overshoes damping key part, usually adopt a sulfidization molding or mold cure (being called for short two sulphur) manufacture technics, and anti-electrostatic rubber overshoes sponge used is a sulfuration sponge.Sulfuration rubber sponge limits because of processing condition, and product specification is low, and fashion is not enough, can not meet the demand of people's beauty.Post cure Anti-static sponge is not also had in prior art.As the staff requiring anti-electrostatic process, do not meet the high-grade anti-electrostatic rubber overshoes of aesthetic requirement, the anti-electrostatic two sulphur silk floss that invention meets forward position fashion demand becomes historical requirement.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of anti-electrostatic two sulphur sponge sizing material and preparation method thereof and application, it solve the technical barrier of two sulphur sponges not anti-electrostatic, to overcome the deficiencies in the prior art.
Of the present inventionly be achieved in that anti-electrostatic two sulphur sponge sizing material, calculate by weight, comprise 90 ~ 110 parts of standard rubbers, 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 staple fibres.
Preferred scheme calculates by weight, comprises 100 parts of standard rubbers, 2.5 parts of 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 staple fibres.
Described standard rubber is 2# standard rubber.
Described machine oil is 46# machine oil.
Described vulcanization accelerator is, every 1.9 parts of vulcanization accelerators are by 0.5 part of captax, and 1.2 parts of altaxs and 0.2 part of Vulcanization accelerator TMTD form.
The preparation method of anti-electrostatic two sulphur sponge sizing material, gets each component by above-mentioned weight fraction, 1) prepare master batch: the standard rubber of 1/2 is not plasticated to Wei Shi plasticity number 0.63 ~ 0.68 higher than on the opening rubber mixing machine of 50 DEG C in temperature, obtains rubber master batch broken-(down)rubber, rubber master batch broken-(down)rubber is added in banburying, add 2 parts of stearic acid, polyamide 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 Banbury mixer load gets up, refine after 1 minute, then add dibutyl phthalate (DBP), after rubber mixing machine load gets up, refine and within 3 minutes, make dibutyl phthalate (DBP) all be held into after in colloid, sizing material to opening rubber mixing machine, and turns refining evenly by discharge under 5 ~ 6mm roll spacing, bottom sheet, naturally cool to room temperature, place 24 hours for subsequent use, 2) broken-(down)rubber is prepared: do not plasticated to Wei Shi plasticity number 0.63 ~ 0.68 higher than on the opening rubber mixing machine of 50 DEG C in temperature by remaining standard rubber, obtain broken-(down)rubber, 3) prepare rubber unvulcanizate: by step 2) in obtained broken-(down)rubber, vulcanization accelerator, nano zine oxide, remaining stearic acid, gas generation agent H, Whitfield's ointment and sulphur drop in rubber mixing machine, refine after 1.5 minutes, add master batch, re-refine 1 minute, then potter's clay is added, refine after 4 minutes, discharge is to opening rubber mixing machine, under the roll spacing of opening rubber mixing machine is the condition of 4 ~ 5mm, by rubber unvulcanizate refining evenly, slice water cooling, detect and correct, make the sulfuration starting point of rubber unvulcanizate be 2 points 40 seconds ~ 3 points 30 seconds, plasticity number is 0.52 ~ 0.58, obtain anti-electrostatic two sulphur sponge sizing material finished product.
The application of anti-electrostatic two sulphur sponge sizing material, by anti-electrostatic two sulphur sponge sizing material slice on a mill until, slice thickness is 3 ~ 3.5mm, is cut into corresponding film by mold shape; The film cut and the glue face of base fabric in the anti-electrostatic rubber overshoes sponge cut are pasted, after metering adhesive plaster weight, by it in the two sulphur sponge mold cavities of 160 ~ 170 DEG C, cloth is faced down, glue faces up, sulfuration 3.5 ~ 4.5 minutes under pressure 20MPa condition, repaiies stream limit glue, obtains anti-electrostatic two sulphur sponge finished product.
In order to verify effect of the present invention further, carry out following experiment:
One, standard rubber broken-(down)rubber Wei Shi plasticity number is to sponge foaming influential effect
Obtained by table 1, needed for two sulphur gelatin sponge, the Wei Shi plasticity number of standard rubber is 0.63-0.68.
Two, sulfuration balanced constant is to foaming effect and resistance value influences
1, vulcanization system, hair engaging aperture system are to two sulphur sponge quality influence
2, rubber softening system, reinforcing and filling system are to sponge quality influence
By table 2, table 3, acquisition optimum formula consumption be: 100 parts of 2# standard rubbers, 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 staple fibres.
Three, cure conditions research:
Drawn by table 4 testing data, the optimum cure condition of anti-electrostatic two sulphur sponge is: vulcanizer operating pressure 20MPa, curing temperature 165 DEG C, curing time 3.5min.
Five, accelerator combination system is to anti-electrostatic two sulphur sponge quality influence
Drawn by table 5, promotor optimum proportioning is: every 1.9 parts of vulcanization accelerators by 0.5 part of captax, 1.2 parts of altaxs and 0.2 part of Vulcanization accelerator TMTD.
Owing to have employed technique scheme, compared with prior art, the sizing compound formula preparation method of the present invention to two sulphur sponges adjusts, make two sulphur sponges under the prerequisite meeting its basic performance requriements, also have the effect of anti-electrostatic, improve its scope of application and application prospect, material source of the present invention is extensive, preparation method is simple, but also provides corresponding application method.The present invention is simple, with low cost, and the result of use of product is good.
Embodiment
Embodiments of the invention: anti-electrostatic two sulphur sponge sizing material, calculates by weight, comprise 100 parts of 2# standard rubbers, 2.5 parts of 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 staple fibres; Every 1.9 parts of vulcanization accelerators are by 0.5 part of captax, and 1.2 parts of altaxs and 0.2 part of Vulcanization accelerator TMTD form.
The preparation method of anti-electrostatic two sulphur sponge sizing material, gets each component by above-mentioned weight fraction, 1) prepare master batch: the standard rubber of 1/2 is not plasticated to Wei Shi plasticity number 0.63 ~ 0.68 higher than on the opening rubber mixing machine of 50 DEG C in temperature, obtains rubber master batch broken-(down)rubber, rubber master batch broken-(down)rubber is added in banburying, add 2 parts of stearic acid, polyamide 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 Banbury mixer load gets up, refine after 1 minute, then add dibutyl phthalate (DBP), after rubber mixing machine load gets up, refine and within 3 minutes, make dibutyl phthalate (DBP) all be held into after in colloid, sizing material to opening rubber mixing machine, and turns refining evenly by discharge under 5 ~ 6mm roll spacing, bottom sheet, naturally cool to room temperature, place 24 hours for subsequent use, 2) broken-(down)rubber is prepared: do not plasticated to Wei Shi plasticity number 0.63 ~ 0.68 higher than on the opening rubber mixing machine of 50 DEG C in temperature by remaining standard rubber, obtain broken-(down)rubber, 3) prepare rubber unvulcanizate: by step 2) in obtained broken-(down)rubber, vulcanization accelerator, nano zine oxide, remaining stearic acid, gas generation agent H, Whitfield's ointment and sulphur drop in rubber mixing machine, refine after 1.5 minutes, add master batch, re-refine 1 minute, then potter's clay is added, refine after 4 minutes, discharge is to opening rubber mixing machine, under the roll spacing of opening rubber mixing machine is the condition of 4 ~ 5mm, by rubber unvulcanizate refining evenly, slice water cooling, detect and correct, make the sulfuration starting point of rubber unvulcanizate be 2 points 40 seconds ~ 3 points 30 seconds, plasticity number is 0.52 ~ 0.58, obtain anti-electrostatic two sulphur sponge sizing material finished product.
The application of anti-electrostatic two sulphur sponge sizing material, by anti-electrostatic two sulphur sponge sizing material slice on a mill until, slice thickness is 3 ~ 3.5mm, is cut into corresponding film by mold shape; The film cut and the glue face of base fabric in the anti-electrostatic rubber overshoes sponge cut are pasted, after metering adhesive plaster weight, by it in the two sulphur sponge mold cavities of 160 ~ 170 DEG C, cloth is faced down, glue faces up, sulfuration 3.5 ~ 4.5 minutes under pressure 20MPa condition, repaiies stream limit glue, obtains anti-electrostatic two sulphur sponge finished product.

Claims (6)

1. an anti-electrostatic two sulphur sponge sizing material, is characterized in that: calculate by weight, comprises 90 ~ 110 parts of standard rubbers, 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 staple fibres; Described vulcanization accelerator is, every 1.9 parts of vulcanization accelerators are by 0.5 part of captax, and 1.2 parts of altaxs and 0.2 part of Vulcanization accelerator TMTD form.
2. anti-electrostatic two sulphur sponge sizing material according to claim 1, is characterized in that: calculate by weight, comprises 100 parts of standard rubbers, 2.5 parts of 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 staple fibres.
3. anti-electrostatic two sulphur sponge sizing material according to claim 1 and 2, is characterized in that: described standard rubber is 2# standard rubber.
4. anti-electrostatic two sulphur sponge sizing material according to claim 1 and 2, is characterized in that: described machine oil is 46# machine oil.
5. the preparation method of an anti-electrostatic two sulphur sponge sizing material as claimed in claim 1, it is characterized in that: get each component by above-mentioned weight fraction, 1) master batch is prepared: do not plasticated to Wei Shi plasticity number 0.63 ~ 0.68 higher than on the opening rubber mixing machine of 50 DEG C in temperature by the standard rubber of 1/2, obtain broken-(down)rubber, broken-(down)rubber is added in banburying, add 2 parts of stearic acid, polyamide 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 Banbury mixer load gets up, refine after 1 minute, then add dibutyl phthalate (DBP), after rubber mixing machine load gets up, refine and within 3 minutes, make dibutyl phthalate (DBP) all be held into after in colloid, sizing material to opening rubber mixing machine, and turns refining evenly by discharge under 5 ~ 6mm roll spacing, bottom sheet, naturally cool to room temperature, place 24 hours for subsequent use, 2) broken-(down)rubber is prepared: do not plasticated to Wei Shi plasticity number 0.63 ~ 0.68 higher than on the opening rubber mixing machine of 50 DEG C in temperature by remaining standard rubber, obtain broken-(down)rubber, 3) prepare rubber unvulcanizate: by step 2) in obtained broken-(down)rubber, vulcanization accelerator, nano zine oxide, remaining stearic acid, gas generation agent H, Whitfield's ointment and sulphur drop in rubber mixing machine, refine after 1.5 minutes, add master batch, re-refine 1 minute, then potter's clay is added, refine after 4 minutes, discharge is to opening rubber mixing machine, under the roll spacing of opening rubber mixing machine is the condition of 4 ~ 5mm, by rubber unvulcanizate refining evenly, slice water cooling, detect and correct, make the sulfuration starting point of rubber unvulcanizate be 2 points 40 seconds ~ 3 points 30 seconds, plasticity number is 0.52 ~ 0.58, obtain anti-electrostatic two sulphur sponge sizing material finished product.
6. an application for anti-electrostatic two sulphur sponge sizing material as claimed in claim 1, is characterized in that: by anti-electrostatic two sulphur sponge sizing material slice on a mill until, slice thickness is 3 ~ 3.5mm, is cut into corresponding film by mold shape; The film cut and the glue face of base fabric in the anti-electrostatic rubber overshoes sponge cut are pasted, after metering adhesive plaster weight, by it in the two sulphur sponge mold cavities of 160 ~ 170 DEG C, cloth is faced down, glue faces up, sulfuration 3.5 ~ 4.5 minutes under pressure 20MPa condition, repaiies stream limit glue, obtains anti-electrostatic two sulphur sponge finished product.
CN201310241128.2A 2013-06-18 2013-06-18 Anti-electrostatic two sulphur sponge sizing material and preparation method thereof and application Active CN103289140B (en)

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 CN103289140A (en) 2013-09-11
CN103289140B true 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)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CN103289140A (en) 2013-09-11

Similar Documents

Publication Publication Date Title
CN103289141B (en) Anti-electrostatic tasteless deodorization two sulphur sponge sizing material and preparation method thereof and application
CN103275364B (en) Anti-static bacteriostatic two sulphur sponge sizing material and preparation method thereof and application
CN103275362B (en) Rubber overshoes antistatic rubber fills out core sizing material and preparation method thereof and application
CN103275361B (en) Wear-resisting Antistatic sole rubber and preparation method thereof and application
CN102604171B (en) Production process for rubber foam material by means of compression molding
CN103275363B (en) Tasteless two sulphur sponge sizing materials of anti-electrostatic and preparation method thereof and application
CN103275360B (en) Tasteless sole rubber of wear-resisting anti-electrostatic and preparation method thereof and application
CN104910524B (en) Tetramethyl thiuram disulfide pre-dispersed master colloidal particles and preparation method thereof
CN107286398A (en) A kind of flame-retardant conductive rubber and preparation method thereof
CN101864099B (en) Preparation technology of high-insulation natural rubber material
CN103289140B (en) Anti-electrostatic two sulphur sponge sizing material and preparation method thereof and application
CN101786298A (en) Mixing process for improving dispersion of white carbon black
CN102634084A (en) Trans-isoprene-containing rubber composition for pneumatic tire linings
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
CN104788879B (en) A kind of anti-electric shock rubber soles and preparation method thereof
CN108084522A (en) A kind of high intensity butadiene-styrene rubber and preparation method thereof
CN104960129A (en) Preparation method of flexible silica-based gamma shielding composite roll-type film
CN103524793B (en) White carbon black high-activity dispersing agent composition and preparation method thereof
CN104371149A (en) Rolled type black rubber surrounding bar rubber for wear-resisting liberation shoes as well as preparation method and application thereof
CN106397862B (en) It is a kind of to improve process for dispersing of the hard (carbon) black in NR with PEG
CN103737884B (en) A kind of extruding-out process of hollow conductive rubber strip
CN109400976A (en) Conductive shoes odorless model sponge sizing material and preparation method and application
CN107118450A (en) A kind of elasticity is high, abscess-size uniform charging roller rubber pange sebific duct composition and preparation method thereof
CN109438781A (en) Conductive shoes tasteless model sponge sizing material and preparation method and application
CN104311897B (en) Liberation footwear calendering type black rubber foxing glue and preparation method and application

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
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.