CN104672450B - 聚二甲基硅酸溴代对苯二酚酯聚合物及其制备方法 - Google Patents
聚二甲基硅酸溴代对苯二酚酯聚合物及其制备方法 Download PDFInfo
- Publication number
- CN104672450B CN104672450B CN201510102432.8A CN201510102432A CN104672450B CN 104672450 B CN104672450 B CN 104672450B CN 201510102432 A CN201510102432 A CN 201510102432A CN 104672450 B CN104672450 B CN 104672450B
- Authority
- CN
- China
- Prior art keywords
- hydroquinone
- silicic acid
- bromo
- poly dimethyl
- cooled
- 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
- -1 Poly dimethyl silicic acid bromo hydroquinone ester Chemical class 0.000 title claims abstract description 62
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 229920000642 polymer Polymers 0.000 title claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 127
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 23
- 239000003063 flame retardant Substances 0.000 claims abstract description 22
- REFDOIWRJDGBHY-UHFFFAOYSA-N 2-bromobenzene-1,4-diol Chemical compound OC1=CC=C(O)C(Br)=C1 REFDOIWRJDGBHY-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 9
- 239000003960 organic solvent Substances 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 135
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 81
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 78
- 238000009413 insulation Methods 0.000 claims description 72
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 claims description 50
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 42
- 229910052757 nitrogen Inorganic materials 0.000 claims description 39
- 239000003153 chemical reaction reagent Substances 0.000 claims description 38
- 238000006073 displacement reaction Methods 0.000 claims description 38
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 38
- 239000000706 filtrate Substances 0.000 claims description 34
- LIKFHECYJZWXFJ-UHFFFAOYSA-N dimethyldichlorosilane Chemical compound C[Si](C)(Cl)Cl LIKFHECYJZWXFJ-UHFFFAOYSA-N 0.000 claims description 22
- 239000007787 solid Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 20
- 239000002904 solvent Substances 0.000 claims description 19
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 claims description 16
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 14
- 238000005194 fractionation Methods 0.000 claims description 13
- 229910052710 silicon Inorganic materials 0.000 claims description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000047 product Substances 0.000 claims description 12
- 239000010703 silicon Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- 229910052794 bromium Inorganic materials 0.000 claims description 7
- 239000011734 sodium Substances 0.000 claims description 7
- 229910052708 sodium Inorganic materials 0.000 claims description 7
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 6
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 6
- 238000005292 vacuum distillation Methods 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 claims description 5
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 5
- DTFQULSULHRJOA-UHFFFAOYSA-N 2,3,5,6-tetrabromobenzene-1,4-diol Chemical compound OC1=C(Br)C(Br)=C(O)C(Br)=C1Br DTFQULSULHRJOA-UHFFFAOYSA-N 0.000 claims description 4
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 abstract description 71
- 239000000463 material Substances 0.000 abstract description 10
- 239000003610 charcoal Substances 0.000 abstract description 5
- 239000004952 Polyamide Substances 0.000 abstract description 3
- 239000003822 epoxy resin Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229920002647 polyamide Polymers 0.000 abstract description 3
- 229920000647 polyepoxide Polymers 0.000 abstract description 3
- 229920000728 polyester Polymers 0.000 abstract description 3
- 229920005989 resin Polymers 0.000 abstract description 3
- 239000011347 resin Substances 0.000 abstract description 3
- 229920000098 polyolefin Polymers 0.000 abstract description 2
- MOWOBWXGWWLOHM-UHFFFAOYSA-N BrC1=C(O)C=CC(=C1)O.[Na] Chemical compound BrC1=C(O)C=CC(=C1)O.[Na] MOWOBWXGWWLOHM-UHFFFAOYSA-N 0.000 abstract 1
- 229910000077 silane Inorganic materials 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 36
- 238000010792 warming Methods 0.000 description 34
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 33
- 230000006837 decompression Effects 0.000 description 32
- 239000007788 liquid Substances 0.000 description 26
- 239000012153 distilled water Substances 0.000 description 23
- 238000001035 drying Methods 0.000 description 23
- 239000010410 layer Substances 0.000 description 22
- ONCIQCKBUSMDIK-UHFFFAOYSA-N dihydroxy(dimethoxy)silane Chemical compound CO[Si](O)(O)OC ONCIQCKBUSMDIK-UHFFFAOYSA-N 0.000 description 21
- 238000000926 separation method Methods 0.000 description 20
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 18
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 18
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 12
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical compound [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 description 12
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical class CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 11
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical group [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 11
- 229920001707 polybutylene terephthalate Polymers 0.000 description 9
- 239000011780 sodium chloride Substances 0.000 description 9
- 229910052938 sodium sulfate Inorganic materials 0.000 description 8
- 235000011152 sodium sulphate Nutrition 0.000 description 8
- 235000019341 magnesium sulphate Nutrition 0.000 description 7
- 150000005208 1,4-dihydroxybenzenes Chemical class 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 5
- 238000010992 reflux Methods 0.000 description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- NESLWCLHZZISNB-UHFFFAOYSA-M sodium phenolate Chemical compound [Na+].[O-]C1=CC=CC=C1 NESLWCLHZZISNB-UHFFFAOYSA-M 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- KFUSEUYYWQURPO-UHFFFAOYSA-N 1,2-dichloroethene Chemical class ClC=CCl KFUSEUYYWQURPO-UHFFFAOYSA-N 0.000 description 2
- 125000006416 CBr Chemical group BrC* 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 2
- 229910018540 Si C Inorganic materials 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 description 2
- 229910000410 antimony oxide Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 2
- 230000000979 retarding effect Effects 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- RFXSFVVPCLGHAU-UHFFFAOYSA-N benzene;phenol Chemical compound C1=CC=CC=C1.OC1=CC=CC=C1.OC1=CC=CC=C1 RFXSFVVPCLGHAU-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000031709 bromination Effects 0.000 description 1
- 238000005893 bromination reaction Methods 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- JZZIHCLFHIXETF-UHFFFAOYSA-N dimethylsilicon Chemical compound C[Si]C JZZIHCLFHIXETF-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 150000004291 polyenes Chemical class 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Silicon Polymers (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510102432.8A CN104672450B (zh) | 2015-03-06 | 2015-03-06 | 聚二甲基硅酸溴代对苯二酚酯聚合物及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510102432.8A CN104672450B (zh) | 2015-03-06 | 2015-03-06 | 聚二甲基硅酸溴代对苯二酚酯聚合物及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104672450A CN104672450A (zh) | 2015-06-03 |
CN104672450B true CN104672450B (zh) | 2018-05-18 |
Family
ID=53308072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510102432.8A Active CN104672450B (zh) | 2015-03-06 | 2015-03-06 | 聚二甲基硅酸溴代对苯二酚酯聚合物及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104672450B (zh) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1626565A (zh) * | 2004-07-14 | 2005-06-15 | 华东理工大学 | 芳炔封端的聚硅醚苯并噁嗪树脂及其制备方法 |
CN101857677A (zh) * | 2010-06-08 | 2010-10-13 | 华东理工大学 | 含硅炔芳醚树脂及其制备方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102080335B1 (ko) * | 2012-04-10 | 2020-04-08 | 모멘티브 퍼포먼스 머티리얼즈 게엠베하 | 조절된 구조를 갖는 관능성 실록산의 제조방법 |
-
2015
- 2015-03-06 CN CN201510102432.8A patent/CN104672450B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1626565A (zh) * | 2004-07-14 | 2005-06-15 | 华东理工大学 | 芳炔封端的聚硅醚苯并噁嗪树脂及其制备方法 |
CN101857677A (zh) * | 2010-06-08 | 2010-10-13 | 华东理工大学 | 含硅炔芳醚树脂及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN104672450A (zh) | 2015-06-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104672450B (zh) | 聚二甲基硅酸溴代对苯二酚酯聚合物及其制备方法 | |
CN104004024B (zh) | 四笼环磷酸酯硅氧烷阻燃成炭剂的制备方法 | |
CN104788680B (zh) | 聚二甲基硅酸四溴双酚a酯聚合物及其制备方法 | |
CN104693444B (zh) | 阻燃剂聚二甲基硅酸-2,4,6-三溴间苯二酚酯聚合物及其制备方法 | |
CN104710619B (zh) | 阻燃成炭剂聚二甲基硅酸对苯二酯聚合物及其制备方法 | |
CN104650136A (zh) | 阻燃剂三(二甲基氯丙氧基硅酰氧基乙基)三嗪化合物的制备方法 | |
CN104710470B (zh) | 阻燃剂赛克三(二甲基二卤丙氧基硅酸)酯化合物及其制备方法 | |
CN104725642B (zh) | 一种聚合型有机硅阻燃成炭剂聚合物及其制备方法 | |
CN105254674B (zh) | 烷基二甲氧基硅酸膦杂环甲酯化合物及其制备方法 | |
CN105601669B (zh) | 苯基膦酸二卤乙基酯化合物及其制备方法 | |
CN104710457B (zh) | 三[2-(二甲基氯丙氧基硅酰氧基)乙基]异氰脲酸酯化合物及其制备方法 | |
CN105713039B (zh) | 一种芳基膦酸酯化合物及其制备方法 | |
CN104725413B (zh) | 阻燃增塑剂二甲基硅酸卤丙酯化合物及其制备方法 | |
CN109369699A (zh) | 反应型有机硅阻燃剂烯丙基硅酸三硅笼醇酯化合物及其制备方法 | |
CN106478727B (zh) | 阻燃剂苯基甲氧基硅酸双硫基磷杂三氧杂双环辛基甲酯化合物及其制备方法 | |
CN105541912B (zh) | 磷硫卤三元素协同阻燃增塑剂化合物及其制备方法 | |
CN104693228A (zh) | 阻燃剂二甲基硅酸二苄酯化合物及其制备方法 | |
CN105254673B (zh) | 阻燃剂烷基硅酸三(膦杂环甲基)酯化合物的制备方法 | |
CN104926879B (zh) | 三羟甲基氧化膦笼状硫代磷酸酯化合物的制备方法 | |
CN104650133A (zh) | 阻燃剂二甲基硅酸二(2,4,6-三溴苯)酯化合物的制备方法 | |
CN105384780B (zh) | 芳基硅环膦化合物的制备方法 | |
CN105384776B (zh) | 十二烷基硅酸三(膦杂环甲基)酯化合物及其制备方法 | |
CN104710464B (zh) | 阻燃增塑剂二甲基硅酸二卤丙酯化合物及其制备方法 | |
CN104710468B (zh) | 异氰脲酸三(二甲基二卤丙氧基硅酰氧基卤丙基)酯化合物及其制备方法 | |
CN105566387B (zh) | 多元素协同阻燃剂苯基硫代膦酸酯化合物及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20180402 Address after: 313018, No. 188, Liang Shan Road, Ling Hu Town, Nanxun District, Zhejiang, Huzhou Applicant after: Huzhou Ruigao New Material Co., Ltd. Address before: 215131, No. 833, Xiangcheng Avenue, 1-2012 yuan street, Suzhou, Jiangsu, Xiangcheng District Applicant before: Suzhou Yang Qiao Chemical Industry Science Co., Ltd |
|
GR01 | Patent grant | ||
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: 313018 No. 188 Liangshan Road, Linghu Town, Nanxun District, Huzhou City, Zhejiang Province Patentee after: Zhejiang Rui hi tech materials Limited by Share Ltd Address before: 313018 No. 188 Liangshan Road, Linghu Town, Nanxun District, Huzhou City, Zhejiang Province Patentee before: Huzhou Ruigao New Material Co., Ltd. |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Polydimethylsilicate bromohydroquinone ester polymer and its preparation method Effective date of registration: 20210629 Granted publication date: 20180518 Pledgee: Zhejiang Nanxun Rural Commercial Bank branch Linghu Limited by Share Ltd. Pledgor: Zhejiang Rui hi tech materials Limited by Share Ltd. Registration number: Y2021330000624 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220510 Granted publication date: 20180518 Pledgee: Zhejiang Nanxun Rural Commercial Bank branch Linghu Limited by Share Ltd. Pledgor: Zhejiang Rui hi tech materials Limited by Share Ltd. Registration number: Y2021330000624 |