CN103437198B - A kind of thermoplastic elastomer (TPE) opens the preparation method of limit pearl artificial leather - Google Patents
A kind of thermoplastic elastomer (TPE) opens the preparation method of limit pearl artificial leather Download PDFInfo
- Publication number
- CN103437198B CN103437198B CN201310409175.3A CN201310409175A CN103437198B CN 103437198 B CN103437198 B CN 103437198B CN 201310409175 A CN201310409175 A CN 201310409175A CN 103437198 B CN103437198 B CN 103437198B
- Authority
- CN
- China
- Prior art keywords
- elastomer
- artificial leather
- thermoplastic
- tpe
- limit pearl
- 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
Links
- 229920002725 thermoplastic elastomer Polymers 0.000 title claims abstract description 56
- 239000002649 leather substitute Substances 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 27
- 239000004744 fabric Substances 0.000 claims abstract description 21
- 238000002844 melting Methods 0.000 claims abstract description 20
- 230000008018 melting Effects 0.000 claims abstract description 20
- 150000001875 compounds Chemical class 0.000 claims abstract description 19
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims abstract description 16
- 239000010985 leather Substances 0.000 claims abstract description 16
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 229920001971 elastomer Polymers 0.000 claims description 21
- 239000000806 elastomer Substances 0.000 claims description 21
- 239000002131 composite material Substances 0.000 claims description 12
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 238000004040 coloring Methods 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 229920006124 polyolefin elastomer Polymers 0.000 claims description 8
- 229920001169 thermoplastic Polymers 0.000 claims description 6
- 239000004416 thermosoftening plastic Substances 0.000 claims description 6
- 239000002759 woven fabric Substances 0.000 claims description 5
- 239000000975 dye Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000010438 heat treatment Methods 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 4
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 3
- 239000004814 polyurethane Substances 0.000 abstract description 2
- 229920002635 polyurethane Polymers 0.000 abstract 1
- 238000002474 experimental method Methods 0.000 description 30
- 238000005299 abrasion Methods 0.000 description 6
- 230000000704 physical effect Effects 0.000 description 6
- 238000004781 supercooling Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 229920003225 polyurethane elastomer Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 210000004209 hair Anatomy 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Landscapes
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The invention provides the preparation method that a kind of thermoplastic elastomer (TPE) opens limit pearl artificial leather, it comprises step: the selection of base cloth and process; Compound suppressing; The manufacture of primary human fabricate-leather; The manufacture of finished product.The method for main material, adds other auxiliary material with Polyurethane Thermoplastic Elastomer (TPU), and after the mixing of extruder heating and melting, compound is compressed together continuously, opens limit pearl artificial leather through cooling obtained a kind of environment-friendly type.Provided by the inventionly open limit pearl artificial leather preparation method, solvent-free in production process, heavy metal free adds, and reaches cleanly production completely, resulting product be a kind of loopful protect open limit pearl artificial leather.
Description
Technical field
The present invention relates to a kind of preparation method opening limit pearl artificial leather, particularly, relate to the preparation method that a kind of thermoplastic elastomer (TPE) opens limit pearl artificial leather.
Background technology
Open limit pearl and come from head layer or the double-layer fur that animal fur removes lax tripe sirloin and extremity portion, paste PVC on its surface and carry out modification and form.Open limit pearl be a kind of surface-brightening as mirror, comfortable feel, rakish high-grade leather.Due to animal fur resource scarcity, and people more and more pay attention to the protection to animal, and therefore people start to split limit pearl copy with producing the method for artificial leather.Mainly adopt polyvinyl chloride (PVC) at present, polyurethane (PU) manufactures this product.These manufacture method production processes are complicated, and production process produces large quantity of exhaust gas, is difficult to realize cleanly production, and can causes serious pollution effect.
Summary of the invention
For the deficiencies in the prior art, the object of this invention is to provide the preparation method that a kind of thermoplastic elastomer (TPE) opens limit pearl artificial leather.The method is main material with thermoplastic polyurethane elastomer, adds other auxiliary material, forms a kind of environment-friendly type open limit pearl artificial leather through extruder heating and melting mixing aft-loaded airfoil.Solvent-free in process of production, heavy metal free adds, and reaches cleanly production completely.
Thermoplastic elastomer (TPE) provided by the invention opens the preparation method of limit pearl artificial leather.Comprise the steps:
1) process of base cloth: in the drying tunnel of 100 DEG C-150 DEG C, preliminary treatment is carried out to base cloth.
2) compound suppressing: by the elastomer thermoplastic mixtures prepared, add colouring agent, at 100 DEG C-350 DEG C, carry out melting mixing by extruder, and under 0.1-0.8Mpa pressure, carry out compound through pretreated base cloth in step 1) and suppress continuously, cooling obtains preliminary composite.
3) manufacture of primary human fabricate-leather: by step 2) gained preliminary composite surface colouring agent carries out the processing process of pattern, texture, obtains primary human fabricate-leather.
4) manufacture of finished product: at 100 DEG C-350 DEG C, make thermoplastic elastomer (TPE) melting by extruder, carries out compound with step 3) gained primary human fabricate-leather after melting and suppresses continuously under 0.1-0.5Mpa pressure, and cooling obtains environment-friendly type and opens limit pearl artificial leather.
Preferably, the base cloth described in step 1) is woven fabric or super fine cloth, and most preferably, described Ji Bu is super fine cloth.
Preferably, step 2) described in elastomer thermoplastic mixtures be formed by one or several mixed preparing in thermoplastic polyurethane elastomer, thermoplastic elastomer TPR, polyolefin elastomer and TPV TPV.Most preferably, described elastomer thermoplastic mixtures is the mixture of thermoplastic polyurethane elastomer, TPV TPV and polyolefin elastomer.
Preferably, described colouring agent is master batch made by dyestuff or toner, and most preferably, described colouring agent is toner.
Preferably, described in step 3) carry out pattern, to process the equipment that adopts be print system or flower roller in texture processing.
Preferably, the thermoplastic elastomer (TPE) described in step 4) is thermoplastic polyurethane elastomer.
Environment-friendly type provided by the invention opens the manufacture method of limit pearl artificial leather, and in whole production processes, do not use solvent, heavy metal free adds, and to environment, can not fully achieve cleanly production.Described preparation method revolutionizes the traditional preparation methods produced and open limit pearl artificial leather.The vision adopting the method to obtain and the splendid artificial leather goods of handle effect uniqueness, have wear-resisting, scratch resistance (drawing), without the good characteristic of folding line.
By preferred embodiment hereafter, and detailed description by reference to the accompanying drawings, above and other objects of the present invention, feature and advantage will become apparent.
Accompanying drawing explanation
Fig. 1 is preparation method's flow chart that thermoplastic elastomer (TPE) of the present invention opens limit pearl artificial leather.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described:
Embodiment 1: a kind of thermoplastic elastomer (TPE) opens the preparation method of limit pearl artificial leather.As shown in Figure 1, following step is carried out successively:
(1) in 100 DEG C of drying tunnels, preliminary treatment is carried out to the super fine cloth that 0.6mm is thick.
(2) by 0.5 part of (weight ratio) thermoplastic polyurethane elastomer, 0.1 part of (weight ratio) TPV TPV, 0.2 part of (weight ratio) polyolefin elastomer, 0.02 part of (weight ratio) toner, melting mixing is carried out under being squeezed in 100 DEG C of situations, and continuous compound suppressing is carried out with the Ji Bu processed through step (1) under 0.2Mpa pressure, make the preliminary composite with base cloth one after cooling.
(3) adopt print system toner to carry out pattern, texture process to the preliminary composite surface that step (2) obtains, make the dapple primary human fabricate-leather of band.
(4) by 0.6 part of (weight ratio) thermoplastic polyurethane elastomer at 350 DEG C, heating and melting in extruder, and the primary human fabricate-leather obtained with step (3) under 0.3Mpa pressure carries out continuous compound suppressing, again after supercooling, formed a kind of thoroughly high, as bright as a sixpence, comfortable feel, rakish a kind of environment-friendly type opens limit pearl artificial leather.
Open limit pearl artificial leather to the thermoplastic elastomer (TPE) obtained and carry out surface brightness experiment, feel experiment, abrasion resistance experiment, scratch resistance (drawing) experiment and the experiment of folding fastness, test its physical property, acquired results is as shown in table 1.
Embodiment 2: a kind of thermoplastic elastomer (TPE) opens the preparation method of limit pearl artificial leather.As shown in Figure 1, following step is carried out successively:
(1) in 120 DEG C of drying tunnels, preliminary treatment is carried out to the super fine cloth that 0.4mm is thick.
(2) by 0.6 part of (weight ratio) polyurethane elastomer, 0.2 part of (weight ratio) TPV TPV, 0.1 part of (weight ratio) thermoplastic elastomer TPR, 0.02 part of (weight ratio) master batch, by extruder melting mixing at 200 DEG C, and continuous compound suppressing is carried out with the Ji Bu processed through step (1) under 0.5Mpa pressure, make the goods with base cloth one after cooling.
(3) adopt print system master batch to carry out pattern, texture process to the preliminary composite surface that step (2) obtains, make the dapple primary human fabricate-leather of band.
(4) by 0.8 part of (weight ratio) thermoplastic polyurethane elastomer at 100 DEG C, heating and melting in extruder, and after the primary human fabricate-leather obtained with step (3) under 0.2Mpa pressure carries out continuous compound suppressing, through supercooling, formed a kind of thoroughly high, as bright as a sixpence, comfortable feel, rakish environment-friendly type opens limit pearl artificial leather.
Open limit pearl artificial leather to the thermoplastic elastomer (TPE) obtained and carry out surface brightness experiment, feel experiment, abrasion resistance experiment, scratch resistance (drawing) experiment and the experiment of folding fastness, test its physical property, acquired results is as shown in table 1.
Embodiment 3: a kind of thermoplastic elastomer (TPE) opens the preparation method of limit pearl artificial leather.As shown in Figure 1, following step is carried out successively:
(1) in 150 DEG C of drying tunnels, preliminary treatment is carried out to the super fine cloth that 1mm is thick.
(2) by 0.8 part of (weight ratio) thermoplastic polyurethane elastomer, 0.1 part of (weight ratio) polyolefin elastomer, 0.02 part of (weight ratio) toner, melting mixing is carried out under being squeezed in 350 DEG C of situations, and continuous compound suppressing is carried out with the Ji Bu processed through step (1) under 0.1Mpa pressure, make the preliminary composite with base cloth one after cooling.
(3) use flower roller toner to carry out pattern, texture process to the preliminary composite surface that step (2) obtains, make the dapple primary human fabricate-leather of band.
(4) by 1 part of (weight ratio) thermoplastic polyurethane elastomer at 200 DEG C, heating and melting in extruder, and the primary human fabricate-leather obtained with step (3) under 0.4Mpa pressure carries out continuous compound suppressing, through supercooling, formed a kind of thoroughly high, as bright as a sixpence, comfortable feel, rakish environment-friendly type opens limit pearl artificial leather.
Open limit pearl artificial leather to the thermoplastic elastomer (TPE) obtained and carry out surface brightness experiment, feel experiment, abrasion resistance experiment, scratch resistance (drawing) experiment and the experiment of folding fastness, test its physical property, acquired results is as shown in table 1.
Embodiment 4: a kind of thermoplastic elastomer (TPE) opens the preparation method of limit pearl artificial leather.As shown in Figure 1, following step is carried out successively:
(1) in 140 DEG C of drying tunnels, the pre-heat treatment is carried out to the woven fabric that 1mm is thick.
(2) by 0.4 part of (weight ratio) polyurethane elastomer, 0.2 part of (weight ratio) TPV TPV, 0.2 part of (weight ratio) thermoplastic elastomer TPR, 0.1 part of (weight ratio) polyolefin elastomer, 0.02 part of (weight ratio) toner, by extruder melting mixing at 300 DEG C, and the continuous compound suppressing with (1) under 0.8Mpa pressure, make after cooling and base cloth goods integrally.
(3) use flower roller toner to carry out pattern, texture process to the preliminary composite surface that step (2) obtains, make the dapple elementary leather of band.
(4) by 0.9 part of (weight ratio) thermoplastic polyurethane elastomer at 150 DEG C, heating and melting in extruder, and carry out continuous compound suppressing with (3) under 0.1Mpa pressure after, through supercooling, formed a kind of thoroughly high, as bright as a sixpence, comfortable feel, rakish environment-friendly type opens limit pearl artificial leather.
Open limit pearl artificial leather to the thermoplastic elastomer (TPE) obtained and carry out surface brightness experiment, feel experiment, abrasion resistance experiment, scratch resistance (drawing) experiment and the experiment of folding fastness, test its physical property, acquired results is as shown in table 1.
Embodiment 5: a kind of thermoplastic elastomer (TPE) opens the preparation method of limit pearl artificial leather.As shown in drawings, following step is carried out successively:
(1) in 150 DEG C of drying tunnels, the pre-heat treatment is carried out to the woven fabric that 1.2mm is thick.
(2) by 0.9 part of (weight ratio) polyurethane elastomer, 0.02 part of (weight ratio) master batch, by extruder melting mixing at 200 DEG C, and the continuous compound suppressing with (1) under 0.4Mpa pressure, make after cooling and base cloth goods integrally.
(3) adopt print system master batch to carry out pattern, texture process to the preliminary composite surface that step (2) obtains, make the dapple elementary leather of band.
(4) by 0.8 part of (weight ratio) thermoplastic polyurethane elastomer at 300 DEG C, heating and melting in extruder, and carry out continuous compound suppressing with (3) under 0.5Mpa pressure after, through supercooling, formed a kind of thoroughly high, as bright as a sixpence, comfortable feel, rakish environment-friendly type opens limit pearl artificial leather.
Open limit pearl artificial leather to the thermoplastic elastomer (TPE) obtained and carry out surface brightness experiment, feel experiment, abrasion resistance experiment, scratch resistance (drawing) experiment and the experiment of folding fastness, test its physical property, acquired results is as shown in table 1.
Embodiment 6: a kind of thermoplastic elastomer (TPE) opens the preparation method of limit pearl artificial leather.As shown in drawings, following step is carried out successively:
(1) in 100 DEG C of drying tunnels, the pre-heat treatment is carried out to the woven fabric that 1.5mm is thick.
(2) by 0.4 part of (weight ratio) polyurethane elastomer, 0.3 part of (weight ratio) TPV TPV, 0.1 part of (weight ratio) thermoplastic elastomer TPR, 0.1 part of (weight ratio) polyolefin elastomer, 0.02 part of (weight ratio) master batch, by extruder melting mixing at 150 DEG C, and the continuous compound suppressing with (1) under 0.6Mpa pressure, make after cooling and base cloth goods integrally.
(3) use flower roller master batch to carry out pattern, texture process to the preliminary composite surface that flower roller step (2) obtains, make the dapple elementary leather of band.
(4) by 0.8 part of (weight ratio) thermoplastic polyurethane elastomer at 200 DEG C, heating and melting in extruder, and carry out continuous compound suppressing with (3) under 0.3Mpa pressure after, through supercooling, formed a kind of thoroughly high, as bright as a sixpence, comfortable feel, rakish environment-friendly type opens limit pearl artificial leather.
Open limit pearl artificial leather to the thermoplastic elastomer (TPE) obtained and carry out surface brightness experiment, feel experiment, abrasion resistance experiment, scratch resistance (drawing) experiment and the experiment of folding fastness, test its physical property, acquired results is as shown in table 1.
Table 1 thermoplastic elastomer (TPE) opens limit pearl artificial leather parameter comparison table
Above-described embodiment is the present invention's preferably embodiment, but the present invention is not restricted to the described embodiments.For those skilled in the art in the invention; without departing from the inventive concept of the premise; its framework is formed and can strain flexibly; can subseries product; just make simple deduction or replace, should be considered as belonging within scope of patent protection that claims that the present invention submits to determine.
Claims (9)
1. thermoplastic elastomer (TPE) opens a preparation method for limit pearl artificial leather, it is characterized in that, comprises step:
1) in the drying tunnel of 100 DEG C-150 DEG C, preliminary treatment is carried out to base cloth;
2) elastomer thermoplastic mixtures will prepared, add colouring agent, at 100 DEG C-350 DEG C, carry out melting mixing by extruder, and under 0.1-0.8MPa pressure, carry out compound through pretreated base cloth in step 1) and suppress continuously, cooling obtains preliminary composite;
3) by step 2) gained preliminary composite surface colouring agent carries out pattern, texture process, obtains primary human fabricate-leather;
4) at 100 DEG C-350 DEG C, make thermoplastic elastomer (TPE) melting by extruder, carry out compound suppress continuously after melting under 0.1-0.5MPa pressure with step 3) gained primary human fabricate-leather, cooling obtains environment-friendly type and opens limit pearl artificial leather.
2. method according to claim 1, is characterized in that, the base cloth described in step 1) is super fine cloth or woven fabric.
3. method according to claim 2, is characterized in that, described Ji Bu is super fine cloth.
4. method according to claim 1, it is characterized in that, step 2) described in elastomer thermoplastic mixtures formed by one or several mixed preparing in thermoplastic polyurethane elastomer, thermoplastic elastomer TPR, polyolefin elastomer and TPV TPV.
5. method according to claim 4, is characterized in that, described elastomer thermoplastic mixtures is the mixture of thermoplastic polyurethane elastomer, TPV TPV and polyolefin elastomer.
6. method according to claim 1, is characterized in that, described colouring agent is master batch made by dyestuff or toner.
7. method according to claim 6, is characterized in that, described colouring agent is toner.
8. method according to claim 1, is characterized in that, carries out pattern, equipment that texture process adopts is print system or flower roller.
9. method according to claim 1, is characterized in that, the thermoplastic elastomer (TPE) described in step 4) is thermoplastic polyurethane elastomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310409175.3A CN103437198B (en) | 2013-09-10 | 2013-09-10 | A kind of thermoplastic elastomer (TPE) opens the preparation method of limit pearl artificial leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310409175.3A CN103437198B (en) | 2013-09-10 | 2013-09-10 | A kind of thermoplastic elastomer (TPE) opens the preparation method of limit pearl artificial leather |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103437198A CN103437198A (en) | 2013-12-11 |
| CN103437198B true CN103437198B (en) | 2015-09-09 |
Family
ID=49690908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310409175.3A Active CN103437198B (en) | 2013-09-10 | 2013-09-10 | A kind of thermoplastic elastomer (TPE) opens the preparation method of limit pearl artificial leather |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103437198B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104480729A (en) * | 2014-12-01 | 2015-04-01 | 南通亿华塑胶有限公司 | Process for producing high-elasticity volleyball leather |
| CN105970638A (en) * | 2016-06-23 | 2016-09-28 | 无锡市金五星针纺有限公司 | Preparation method of artificial smooth-box leather from thermoplastic elastomer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102321979A (en) * | 2011-08-04 | 2012-01-18 | 华伦皮塑（苏州）有限公司 | A kind of manufacturing approach of not having the base fabric synthetic leather |
| CN102720072A (en) * | 2012-07-09 | 2012-10-10 | 华伦皮塑（苏州）有限公司 | Preparing method of thermoplastic elastomer environment-friendly basketball leather |
-
2013
- 2013-09-10 CN CN201310409175.3A patent/CN103437198B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102321979A (en) * | 2011-08-04 | 2012-01-18 | 华伦皮塑（苏州）有限公司 | A kind of manufacturing approach of not having the base fabric synthetic leather |
| CN102720072A (en) * | 2012-07-09 | 2012-10-10 | 华伦皮塑（苏州）有限公司 | Preparing method of thermoplastic elastomer environment-friendly basketball leather |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103437198A (en) | 2013-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102717533B (en) | Method for preparing environment-friendly outdoor sofa leather | |
| CN105350342B (en) | A kind of preparation method of aqueous/solvent-free composite environment-friendly Synthetic Leather | |
| CN102774101B (en) | Production method of flame retardant and environment-friendly TPU (thermoplastic polyurethanes) leather for outdoors | |
| CN105839426B (en) | A kind of chromatography synthetic leather and preparation method thereof | |
| CN103437198B (en) | A kind of thermoplastic elastomer (TPE) opens the preparation method of limit pearl artificial leather | |
| CN104480740A (en) | Polyurethane synthetic leather for imitated leather clothes and production method thereof | |
| CN105563851A (en) | Moulding process for fuselage of UAV (Unmanned Aerial Vehicle) | |
| CN106283704A (en) | The preparation method of colourless migration playshoes suede Synthetic Leather | |
| CN104532604B (en) | The application in environment-friendly type automobile inner decoration artificial leather of the lightweight polyolefin foam | |
| CN102561049B (en) | Production method of zero-emission and full-environment-friendly synthetic leather | |
| CN102182066B (en) | Soft crazy-horse resin for clothing leather and preparation method thereof | |
| CN103817964A (en) | Production method of EVA (ethylene vinyl acetute) multicolor sole | |
| CN110670375B (en) | Environment-friendly conductive synthetic leather for labor protection gloves | |
| CN105970638A (en) | Preparation method of artificial smooth-box leather from thermoplastic elastomer | |
| CN107904962A (en) | The research and development of no-solvent polyurethane four sides elasticity mirror surface leather and production method | |
| CN203613409U (en) | Thermoplastic elastomer smooth-box artificial leather | |
| CN112376284A (en) | Waterborne superfine fiber matte synthetic leather for sofa | |
| CN105908518A (en) | Method of preparing environment-friendly high-strength TPU synthetic leather | |
| CN103556484B (en) | Preparation method of environment-friendly sofa leather used outdoors | |
| CN109228557A (en) | A kind of high-strength abrasion-proof highly-breathable artificial leather automobile leather and preparation method | |
| CN109571993A (en) | A kind of manufacture craft of racing boat | |
| CN103556483B (en) | Preparation method of environment-friendly sofa leather used outdoors | |
| CN108274862B (en) | Water-repellent composite material with high strength and high wind resistance grade and preparation method thereof | |
| CN208841669U (en) | A kind of livewire work latex impregnation type insulating sleeves production mold | |
| CN209126268U (en) | A kind of sofa elastic band |
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 | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231124 Address after: No. 88, Jilongshan Road, He County Economic Development Zone, Ma'anshan City, Anhui Province Patentee after: Ma'anshan Rui High tech Co.,Ltd. Address before: No. 39, Luchang Road, Luhe District, Huangjing Town, Taicang City, Suzhou City, Jiangsu Province 215428 Patentee before: WARREN SYNTHETIC LEATHER (SUZHOU) Co.,Ltd. |