CN114634668B - 一种易降解竹纤维聚丙烯复合材料母粒及其制备方法 - Google Patents
一种易降解竹纤维聚丙烯复合材料母粒及其制备方法 Download PDFInfo
- Publication number
- CN114634668B CN114634668B CN202210149255.9A CN202210149255A CN114634668B CN 114634668 B CN114634668 B CN 114634668B CN 202210149255 A CN202210149255 A CN 202210149255A CN 114634668 B CN114634668 B CN 114634668B
- Authority
- CN
- China
- Prior art keywords
- bamboo fiber
- parts
- modified
- master batch
- powder
- 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
- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 129
- 239000000835 fiber Substances 0.000 title claims abstract description 129
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 126
- 241001330002 Bambuseae Species 0.000 title claims abstract description 126
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 126
- 239000011425 bamboo Substances 0.000 title claims abstract description 126
- -1 polypropylene Polymers 0.000 title claims abstract description 81
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 72
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 72
- 239000002131 composite material Substances 0.000 title claims abstract description 51
- 239000004594 Masterbatch (MB) Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims description 19
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 126
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 94
- 239000000843 powder Substances 0.000 claims abstract description 76
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 47
- 239000000314 lubricant Substances 0.000 claims abstract description 22
- 150000003628 tricarboxylic acids Chemical group 0.000 claims abstract description 19
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 238000001782 photodegradation Methods 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims description 16
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 244000302661 Phyllostachys pubescens Species 0.000 claims description 6
- 235000003570 Phyllostachys pubescens Nutrition 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 239000003109 Disodium ethylene diamine tetraacetate Substances 0.000 claims description 5
- ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical compound [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 claims description 5
- 238000010000 carbonizing Methods 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 5
- 235000019301 disodium ethylene diamine tetraacetate Nutrition 0.000 claims description 5
- 239000002270 dispersing agent Substances 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 239000000194 fatty acid Substances 0.000 claims description 5
- 229930195729 fatty acid Natural products 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 238000010298 pulverizing process Methods 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 238000009210 therapy by ultrasound Methods 0.000 claims description 5
- 238000001291 vacuum drying Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims description 3
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 claims description 3
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 3
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 claims description 3
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 claims description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 3
- 239000001124 (E)-prop-1-ene-1,2,3-tricarboxylic acid Substances 0.000 claims description 2
- 229920001817 Agar Polymers 0.000 claims description 2
- ODBLHEXUDAPZAU-ZAFYKAAXSA-N D-threo-isocitric acid Chemical compound OC(=O)[C@H](O)[C@@H](C(O)=O)CC(O)=O ODBLHEXUDAPZAU-ZAFYKAAXSA-N 0.000 claims description 2
- ODBLHEXUDAPZAU-FONMRSAGSA-N Isocitric acid Natural products OC(=O)[C@@H](O)[C@H](C(O)=O)CC(O)=O ODBLHEXUDAPZAU-FONMRSAGSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 229940091181 aconitic acid Drugs 0.000 claims description 2
- 239000008272 agar Substances 0.000 claims description 2
- BTVVNGIPFPKDHO-UHFFFAOYSA-K cerium(3+);octadecanoate Chemical compound [Ce+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O BTVVNGIPFPKDHO-UHFFFAOYSA-K 0.000 claims description 2
- GTZCVFVGUGFEME-IWQZZHSRSA-N cis-aconitic acid Chemical compound OC(=O)C\C(C(O)=O)=C\C(O)=O GTZCVFVGUGFEME-IWQZZHSRSA-N 0.000 claims description 2
- 150000004665 fatty acids Chemical class 0.000 claims description 2
- XHQSLVIGPHXVAK-UHFFFAOYSA-K iron(3+);octadecanoate Chemical compound [Fe+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XHQSLVIGPHXVAK-UHFFFAOYSA-K 0.000 claims description 2
- JMWUYEFBFUCSAK-UHFFFAOYSA-L nickel(2+);octadecanoate Chemical compound [Ni+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O JMWUYEFBFUCSAK-UHFFFAOYSA-L 0.000 claims description 2
- ODBLHEXUDAPZAU-UHFFFAOYSA-N threo-D-isocitric acid Natural products OC(=O)C(O)C(C(O)=O)CC(O)=O ODBLHEXUDAPZAU-UHFFFAOYSA-N 0.000 claims description 2
- GTZCVFVGUGFEME-UHFFFAOYSA-N trans-aconitic acid Natural products OC(=O)CC(C(O)=O)=CC(O)=O GTZCVFVGUGFEME-UHFFFAOYSA-N 0.000 claims description 2
- 238000006731 degradation reaction Methods 0.000 abstract description 9
- 230000015556 catabolic process Effects 0.000 abstract description 8
- 239000002028 Biomass Substances 0.000 abstract description 4
- 230000000704 physical effect Effects 0.000 abstract description 2
- 229920001911 maleic anhydride grafted polypropylene Polymers 0.000 description 17
- 239000000243 solution Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 230000001808 coupling effect Effects 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000009472 formulation Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000002105 nanoparticle Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 244000271437 Bambusa arundinacea Species 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 238000009863 impact test Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- HZLCGUXUOFWCCN-UHFFFAOYSA-N 2-hydroxynonadecane-1,2,3-tricarboxylic acid Chemical compound CCCCCCCCCCCCCCCCC(C(O)=O)C(O)(C(O)=O)CC(O)=O HZLCGUXUOFWCCN-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229940040563 agaric acid Drugs 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 229920006238 degradable plastic Polymers 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000005313 fatty acid group Chemical group 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- FRVCGRDGKAINSV-UHFFFAOYSA-L iron(2+);octadecanoate Chemical compound [Fe+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O FRVCGRDGKAINSV-UHFFFAOYSA-L 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000003348 petrochemical agent Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210149255.9A CN114634668B (zh) | 2022-02-18 | 2022-02-18 | 一种易降解竹纤维聚丙烯复合材料母粒及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210149255.9A CN114634668B (zh) | 2022-02-18 | 2022-02-18 | 一种易降解竹纤维聚丙烯复合材料母粒及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN114634668A CN114634668A (zh) | 2022-06-17 |
CN114634668B true CN114634668B (zh) | 2023-09-29 |
Family
ID=81945881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210149255.9A Active CN114634668B (zh) | 2022-02-18 | 2022-02-18 | 一种易降解竹纤维聚丙烯复合材料母粒及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114634668B (zh) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101326000A (zh) * | 2005-12-06 | 2008-12-17 | 路博润有限公司 | 新型分散剂和其组合物 |
EP2105277A1 (de) * | 2008-03-25 | 2009-09-30 | Granula Polymer GmbH | Reinigungsmittel für Vorrichtungen zur Kunststoffverarbeitung oder Kunststoffherstellung, dessen Verwendung, Verfahren zur Herstellung sowie Verfahren zum Reinigen |
CN108250568A (zh) * | 2017-12-23 | 2018-07-06 | 陈建峰 | 一种防霉耐水型竹塑复合材料的制备方法 |
AU2020101067A4 (en) * | 2020-05-09 | 2020-07-30 | Zhejiang Academy Of Forestry | Method for preparing bamboo fiber molded composite |
KR102242021B1 (ko) * | 2020-09-09 | 2021-04-27 | 지앤지텍(주) | 대전방지용 인조잔디 충진재 및 이의 제조방법 |
-
2022
- 2022-02-18 CN CN202210149255.9A patent/CN114634668B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101326000A (zh) * | 2005-12-06 | 2008-12-17 | 路博润有限公司 | 新型分散剂和其组合物 |
EP2105277A1 (de) * | 2008-03-25 | 2009-09-30 | Granula Polymer GmbH | Reinigungsmittel für Vorrichtungen zur Kunststoffverarbeitung oder Kunststoffherstellung, dessen Verwendung, Verfahren zur Herstellung sowie Verfahren zum Reinigen |
CN108250568A (zh) * | 2017-12-23 | 2018-07-06 | 陈建峰 | 一种防霉耐水型竹塑复合材料的制备方法 |
AU2020101067A4 (en) * | 2020-05-09 | 2020-07-30 | Zhejiang Academy Of Forestry | Method for preparing bamboo fiber molded composite |
KR102242021B1 (ko) * | 2020-09-09 | 2021-04-27 | 지앤지텍(주) | 대전방지용 인조잔디 충진재 및 이의 제조방법 |
Non-Patent Citations (2)
Title |
---|
Substrate-directed formation of calcium carbonate fibres;Yi-Yeoun Kim et al.;《Journal of Materials Chemistry》;第19卷;第387-398 页 * |
竹纤维/聚丙烯复合材料界面相容性研究进展;施江扬;张林;杭祖圣;;高分子通报(第12期);第10-15页 * |
Also Published As
Publication number | Publication date |
---|---|
CN114634668A (zh) | 2022-06-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Priya et al. | Synthesis, characterization and antibacterial activity of biodegradable starch/PVA composite films reinforced with cellulosic fibre | |
US6150438A (en) | Composite resin composition | |
CA2900596C (en) | Microstructured composite material, method for the production thereof, moulded articles made hereof and also purposes of use | |
CN108948690B (zh) | 一种聚乳酸-木质素-淀粉复合材料及其制备方法 | |
CN102391631A (zh) | 可生物降解的防静电高分子复合材料及其制备方法 | |
Madera‐Santana et al. | Biocomposites based on poly (lactic acid) and seaweed wastes from agar extraction: Evaluation of physicochemical properties | |
Zhu et al. | Modification of lignin with silane coupling agent to improve the interface of poly (L-lactic) acid/lignin composites | |
CN114369347B (zh) | 一种可降解流动改性助剂及其制备方法和应用 | |
CN114806113A (zh) | 一种耐热抗菌pla全生物降解吸管及其制备方法 | |
CN113913965A (zh) | 一种可降解涤纶纤维及其制备方法 | |
CN105131542A (zh) | 一种经丙交酯表面接枝处理的竹粉和聚乳酸共混复合材料及其制备方法与应用 | |
CN111205605B (zh) | 高熔体强度的聚羟基脂肪酸酯共混物及薄膜及其制备方法和应用 | |
CN113831702B (zh) | 可降解塑料餐盒组合物及其制备方法 | |
CN114634668B (zh) | 一种易降解竹纤维聚丙烯复合材料母粒及其制备方法 | |
CN117089140B (zh) | 一种改性pp复合材料及其制备方法 | |
US20130099029A1 (en) | Process for preparing a thermoplastic polymer mixture based on agave fibers and residues and oxo-degradation additives for preparing biodegradable plastic articles | |
CN113354934A (zh) | 一种全生物降解共混材料 | |
JPH11124485A (ja) | 複合樹脂組成物 | |
CN111944226A (zh) | 一种光降解塑料包装袋环保材料及其制备方法 | |
Sagar et al. | Irradiation‐modification of starch‐containing thermoplastic blends. I. Modification of properties and microstructure | |
CN111040402A (zh) | 一种可完全降解的复合pla纤维素母粒的制备方法 | |
CN107619529B (zh) | 一种生物基全降解塑料、其制备方法和应用 | |
Raj et al. | Studies on blends of modified starch–LDPE | |
Gunning et al. | Effect of compatibilizer content on the mechanical properties of bioplastic composites via hot melt extrusion | |
CN113136073B (zh) | 一种耐低温抗冲击聚丙烯弹性体材料及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240426 Address after: No. 8, Hongcun Natural Village, Qingda Village, Digang Town, Fanchang County, Wuhu City, Anhui Province, 241201 Patentee after: Cao Shouguo Country or region after: China Address before: 244099 Room 401, unit 2, building 1, lanxinyuan, feicui City, Tongguan District, Tongling City, Anhui Province Patentee before: Hu Xuelin Country or region before: China Patentee before: Cao Shouguo |