CN106679499B - A kind of non-lethal Self-defending device with super viscose - Google Patents
A kind of non-lethal Self-defending device with super viscose Download PDFInfo
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- CN106679499B CN106679499B CN201510753230.XA CN201510753230A CN106679499B CN 106679499 B CN106679499 B CN 106679499B CN 201510753230 A CN201510753230 A CN 201510753230A CN 106679499 B CN106679499 B CN 106679499B
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- parts
- viscose
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- polytetrahydrofuran diol
- liquid
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- 229920000297 Rayon Polymers 0.000 title claims abstract description 53
- 231100001160 nonlethal Toxicity 0.000 title claims abstract description 13
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000007788 liquid Substances 0.000 claims abstract description 43
- BGNXCDMCOKJUMV-UHFFFAOYSA-N Tert-Butylhydroquinone Chemical compound CC(C)(C)C1=CC(O)=CC=C1O BGNXCDMCOKJUMV-UHFFFAOYSA-N 0.000 claims abstract description 34
- 150000002009 diols Chemical class 0.000 claims abstract description 24
- 229920000909 polytetrahydrofuran Polymers 0.000 claims abstract description 24
- 229940044119 2-tert-butylhydroquinone Drugs 0.000 claims abstract description 17
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229920001651 Cyanoacrylate Polymers 0.000 claims abstract description 17
- MWCLLHOVUTZFKS-UHFFFAOYSA-N Methyl cyanoacrylate Chemical compound COC(=O)C(=C)C#N MWCLLHOVUTZFKS-UHFFFAOYSA-N 0.000 claims abstract description 17
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims abstract description 17
- 125000003368 amide group Chemical group 0.000 claims abstract description 17
- 125000005594 diketone group Chemical group 0.000 claims abstract description 17
- 125000005456 glyceride group Chemical group 0.000 claims abstract description 17
- 239000012948 isocyanate Substances 0.000 claims abstract description 17
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims abstract description 17
- 235000012424 soybean oil Nutrition 0.000 claims abstract description 16
- 239000003549 soybean oil Substances 0.000 claims abstract description 16
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims abstract description 15
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims abstract description 15
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims abstract description 15
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000007787 solid Substances 0.000 claims abstract description 8
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 22
- 238000003756 stirring Methods 0.000 claims description 14
- 238000002360 preparation method Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims 2
- 239000001913 cellulose Substances 0.000 claims 2
- -1 hydroxypropyl Chemical group 0.000 claims 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- 239000007921 spray Substances 0.000 description 6
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 241000270295 Serpentes Species 0.000 description 1
- WRLRISOTNFYPMU-UHFFFAOYSA-N [S].CC1=CC=CC=C1 Chemical compound [S].CC1=CC=CC=C1 WRLRISOTNFYPMU-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229940042795 hydrazides for tuberculosis treatment Drugs 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Polyurethanes Or Polyureas (AREA)
- Medicinal Preparation (AREA)
Abstract
A kind of non-lethal Self-defending device with super viscose, the liquid viscose of use includes that the component of following parts by weight is prepared: 30-50 parts of cyanoacrylate, 10-25 parts of hydrogenated rosin glyceride, 20-30 parts of toluene di-isocyanate(TDI), 5-10 parts of hydroxypropyl methyl cellulose, 23-27 parts of polytetrahydrofuran diol, 5-8 parts of epoxidized soybean oil, amido crash suck 3-7 parts of diketone, 1,10-15 parts of 4- butanediol, 5-9 parts of 2- tert-butyl hydroquinone, 8-12 parts of unifor；The liquid viscose has fast solid characteristic at normal temperature.High safety of the present invention, it is easy to carry and use.
Description
Technical field
The present invention relates to self-defence equipment technical field, specially a kind of non-lethal Self-defending device with super viscose.
Background technique
When people encounter attack and plunder, the generation of emergency event cannot be prevented with rod or stick at any time with it,
It positive cannot be fought with violence molecule, and the body protectors such as currently used sprayer, operability requirement is too high (to need to spray
To the eye of violence molecule), effect be not very well, therefore, inventor devise it is a kind of it is easy to use, there is super viscose
Non-lethal Self-defending device.
Summary of the invention
Technical problem solved by the invention is to provide a kind of non-lethal Self-defending device with super viscose, to solve
It cannot carry at any time, operability requires too high problem.
Technical problem solved by the invention is realized using following technical scheme:
A kind of non-lethal Self-defending device with super viscose, including ejecting gun, the ejecting gun have handle, gun body, spray
Mouth and switch, the handle are fixedly connected with the gun body, and the gun body has container and booster, are loaded in the container
Liquid viscose, and the nozzle is installed in the front end of the container, the booster is connected to the rear end of the container, to for institute
It states and increases pressure inside container, the switch is installed on the handle, to control opening for the booster and the nozzle
It closes；
The liquid viscose includes that the component of following parts by weight is prepared:
30-50 parts of cyanoacrylate,
10-25 parts of hydrogenated rosin glyceride,
20-30 parts of toluene di-isocyanate(TDI),
5-10 parts of hydroxypropyl methyl cellulose,
23-27 parts of polytetrahydrofuran diol,
5-8 parts of epoxidized soybean oil,
Amido crash suck 3-7 parts of diketone,
10-15 parts of 1,4-butanediol,
5-9 parts of 2- tert-butyl hydroquinone,
8-12 parts of unifor；
The liquid viscose has fast solid characteristic at normal temperature.
As a kind of perferred technical scheme, the liquid viscose that the present invention uses include following parts by weight component preparation and
At:
40 parts of cyanoacrylate,
15 parts of hydrogenated rosin glyceride,
25 parts of toluene di-isocyanate(TDI),
8 parts of hydroxypropyl methyl cellulose,
25 parts of polytetrahydrofuran diol,
7 parts of epoxidized soybean oil,
Amido crash suck 5 parts of diketone,
10 parts of 1,4-butanediol,
8 parts of 2- tert-butyl hydroquinone,
10 parts of unifor.
As a kind of perferred technical scheme, the preparation method of liquid viscose of the invention includes the following steps:
(1) by polytetrahydrofuran diol temperature be 110-125 DEG C at stirring vacuum be dehydrated 2-3h, be cooled to 70-78 DEG C；
(2) into polytetrahydrofuran diol be added cyanoacrylate, hydrogenated rosin glyceride, toluene di-isocyanate(TDI),
Hydroxypropyl methyl cellulose, sealing stirring 1.2-1.5h, obtains reaction solution under conditions of 75-85 DEG C；
(3) then into the reaction solution of step (2) sequentially at the uniform velocity be added epoxidized soybean oil, amido crash suck diketone, Isosorbide-5-Nitrae-fourth
Glycol, 2- tert-butyl hydroquinone, and during addition, the temperature of guarantee system is 55-65 DEG C, and time control will be added
In 0.5-1.5h, liquid viscose is obtained.
It will be apparent that relevant power supply can be arranged in the present invention, solenoid valve is set at nozzle, and power supply is to solenoid valve and pressurization
Device power supply, when connect switch when, booster work, be container in pressurization, solenoid valve open, liquid viscose sprayed from nozzle and
Out.
The liquid viscose that the present invention uses is harmless, and after spraying in pressure vessel, in the shorter time i.e.
Solidifiable.
Due to using above technical scheme, the invention has the following advantages:
The present invention includes the pressure vessel to contain liquid viscose, and the pressure vessel is provided with injection cock, and
Liquid viscose includes that the component of following parts by weight is prepared: 30-50 parts of cyanoacrylate, hydrogenated rosin glyceride 10-25
Part, 20-30 parts of toluene di-isocyanate(TDI), 5-10 parts of hydroxypropyl methyl cellulose, 23-27 parts of polytetrahydrofuran diol, epoxy is big
5-8 parts of soya-bean oil, amido crash suck 3-7 parts of diketone, 10-15 parts of 1,4-butanediol, 5-9 parts of 2- tert-butyl hydroquinone, to toluene sulphur
8-12 parts of hydrazides；The liquid viscose has fast solid characteristic at normal temperature.Fluid present invention viscose is pressure in pressure vessel
Power, encountered after injection cock is launched air then can quick solidification at solid, when in use, which is ejected into
When on the body of people or object, the glue of solidification can firmly snarl target as snake, after being stained with people or the object contact of this viscose glue
It is difficult to separate.
High safety of the present invention, it is easy to carry and use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of liquid spray gun.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
Embodiment 1
A kind of non-lethal Self-defending device with super viscose, referring to Fig. 1, including ejecting gun, the ejecting gun has handle
1, gun body 2, nozzle 3 and switch 4, the handle 1 are fixedly connected with the gun body 2, and the gun body 2 has container 21 and booster
22, be loaded with liquid viscose in the container 21, and the nozzle 3 is installed in the front end of the container 21, the booster 22 with
The rear end of the container 21 is connected to, to increase pressure inside the container 21, the switch 4 is installed on the handle 1,
To control the opening and closing of the booster 22 and the nozzle 3；
The liquid viscose includes that the component of following parts by weight is prepared:
30 parts of cyanoacrylate,
10 parts of hydrogenated rosin glyceride,
20 parts of toluene di-isocyanate(TDI),
5 parts of hydroxypropyl methyl cellulose,
23 parts of polytetrahydrofuran diol,
5 parts of epoxidized soybean oil,
Amido crash suck 3 parts of diketone,
10 parts of 1,4-butanediol,
5 parts of 2- tert-butyl hydroquinone,
8 parts of unifor；
The liquid viscose has fast solid characteristic at normal temperature.
The preparation method of liquid viscose of the invention includes the following steps:
(1) by polytetrahydrofuran diol temperature be 110 DEG C at stirring vacuum be dehydrated 2h, be cooled to 70 DEG C；
(2) into polytetrahydrofuran diol be added cyanoacrylate, hydrogenated rosin glyceride, toluene di-isocyanate(TDI),
Hydroxypropyl methyl cellulose, sealing stirring 1.2h, obtains reaction solution under conditions of 75 DEG C；
(3) then into the reaction solution of step (2) sequentially at the uniform velocity be added epoxidized soybean oil, amido crash suck diketone, Isosorbide-5-Nitrae-fourth
Glycol, 2- tert-butyl hydroquinone, and during addition, the temperature of guarantee system is 55 DEG C, and time control will be added and exist
0.5h obtains liquid viscose after the completion.
Embodiment 2
A kind of non-lethal Self-defending device with super viscose, including the pressure vessel to contain liquid viscose, the pressure
Force container is provided with injection cock, and herein, pressure vessel uses common liquid spray gun, and the liquid viscose includes following weight
The component of part is prepared:
50 parts of cyanoacrylate,
25 parts of hydrogenated rosin glyceride,
30 parts of toluene di-isocyanate(TDI),
10 parts of hydroxypropyl methyl cellulose,
27 parts of polytetrahydrofuran diol,
8 parts of epoxidized soybean oil,
Amido crash suck 7 parts of diketone,
15 parts of 1,4-butanediol,
9 parts of 2- tert-butyl hydroquinone,
12 parts of unifor；
The liquid viscose has fast solid characteristic at normal temperature.
The preparation method of liquid viscose of the invention includes the following steps:
(1) by polytetrahydrofuran diol temperature be 110 DEG C at stirring vacuum be dehydrated 2h, be cooled to 70 DEG C；
(2) into polytetrahydrofuran diol be added cyanoacrylate, hydrogenated rosin glyceride, toluene di-isocyanate(TDI),
Hydroxypropyl methyl cellulose, sealing stirring 1.2h, obtains reaction solution under conditions of 75 DEG C；
(3) then into the reaction solution of step (2) sequentially at the uniform velocity be added epoxidized soybean oil, amido crash suck diketone, Isosorbide-5-Nitrae-fourth
Glycol, 2- tert-butyl hydroquinone, and during addition, the temperature of guarantee system is 55 DEG C, and time control will be added and exist
0.5h obtains liquid viscose after the completion.
Embodiment 3
A kind of non-lethal Self-defending device with super viscose, including the pressure vessel to contain liquid viscose, the pressure
Force container is provided with injection cock, and herein, pressure vessel uses common liquid spray gun, and the liquid viscose includes following weight
The component of part is prepared:
40 parts of cyanoacrylate,
15 parts of hydrogenated rosin glyceride,
25 parts of toluene di-isocyanate(TDI),
8 parts of hydroxypropyl methyl cellulose,
25 parts of polytetrahydrofuran diol,
7 parts of epoxidized soybean oil,
Amido crash suck 5 parts of diketone,
10 parts of 1,4-butanediol,
8 parts of 2- tert-butyl hydroquinone,
10 parts of unifor.
The preparation method of liquid viscose of the invention includes the following steps:
(1) by polytetrahydrofuran diol temperature be 120 DEG C at stirring vacuum be dehydrated 2.5h, be cooled to 75 DEG C；
(2) into polytetrahydrofuran diol be added cyanoacrylate, hydrogenated rosin glyceride, toluene di-isocyanate(TDI),
Hydroxypropyl methyl cellulose, sealing stirring 1.4h, obtains reaction solution under conditions of 80 DEG C；
(3) then into the reaction solution of step (2) sequentially at the uniform velocity be added epoxidized soybean oil, amido crash suck diketone, Isosorbide-5-Nitrae-fourth
Glycol, 2- tert-butyl hydroquinone, and during addition, the temperature of guarantee system is 60 DEG C, and time control will be added and exist
0.8h obtains liquid viscose after the completion.
Embodiment 4
A kind of non-lethal Self-defending device with super viscose, including the pressure vessel to contain liquid viscose, the pressure
Force container is provided with injection cock, and herein, pressure vessel uses common liquid spray gun, and the liquid viscose includes following weight
The component of part is prepared:
45 parts of cyanoacrylate,
10 parts of hydrogenated rosin glyceride,
25 parts of toluene di-isocyanate(TDI),
8 parts of hydroxypropyl methyl cellulose,
26 parts of polytetrahydrofuran diol,
7 parts of epoxidized soybean oil,
Amido crash suck 5 parts of diketone,
13 parts of 1,4-butanediol,
8 parts of 2- tert-butyl hydroquinone,
10 parts of unifor；
The liquid viscose has fast solid characteristic at normal temperature.
The preparation method of liquid viscose of the invention includes the following steps:
(1) by polytetrahydrofuran diol temperature be 110 DEG C at stirring vacuum be dehydrated 3h, be cooled to 75 DEG C；
(2) into polytetrahydrofuran diol be added cyanoacrylate, hydrogenated rosin glyceride, toluene di-isocyanate(TDI),
Hydroxypropyl methyl cellulose, sealing stirring 1.2h, obtains reaction solution under conditions of 80 DEG C；
(3) then into the reaction solution of step (2) sequentially at the uniform velocity be added epoxidized soybean oil, amido crash suck diketone, Isosorbide-5-Nitrae-fourth
Glycol, 2- tert-butyl hydroquinone, and during addition, the temperature of guarantee system is 65 DEG C, and time control will be added and exist
0.5h。
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (2)
1. a kind of non-lethal Self-defending device with super viscose, it is characterised in that: including ejecting gun, the ejecting gun has hand
Handle, gun body, nozzle and switch, the handle are fixedly connected with the gun body, and the gun body has container and booster, the appearance
Liquid viscose is loaded in device, and the nozzle, the rear end company of the booster and the container are installed in the front end of the container
It is logical, to increase pressure inside the container, the switch is installed on the handle, to control the booster and institute
State the opening and closing of nozzle；
The liquid viscose includes that the component of following parts by weight is prepared:
30-50 parts of cyanoacrylate,
10-25 parts of hydrogenated rosin glyceride,
20-30 parts of toluene di-isocyanate(TDI),
5-10 parts of hydroxypropyl methyl cellulose,
23-27 parts of polytetrahydrofuran diol,
5-8 parts of epoxidized soybean oil,
Amido crash suck 3-7 parts of diketone,
10-15 parts of 1,4-butanediol,
5-9 parts of 2- tert-butyl hydroquinone,
8-12 parts of unifor；
The liquid viscose has fast solid characteristic at normal temperature；
The liquid viscose is using the method preparation included the following steps:
(1) by polytetrahydrofuran diol temperature be 110-125 DEG C at stirring vacuum be dehydrated 2-3h, be cooled to 70-78 DEG C；
(2) cyanoacrylate, hydrogenated rosin glyceride, toluene di-isocyanate(TDI), hydroxypropyl are added into polytetrahydrofuran diol
Ylmethyl cellulose, sealing stirring 1.2-1.5h, obtains reaction solution under conditions of 75-85 DEG C；
(3) then into the reaction solution of step (2) sequentially at the uniform velocity be added epoxidized soybean oil, amido crash suck diketone, 1,4-butanediol,
2- tert-butyl hydroquinone, and during addition, the temperature of guarantee system is 55-65 DEG C, and time control will be added and exist
0.5-1.5h obtains liquid viscose.
2. a kind of non-lethal Self-defending device with super viscose according to claim 1, it is characterised in that: the liquid is glutinous
Glue includes that the component of following parts by weight is prepared:
40 parts of cyanoacrylate,
15 parts of hydrogenated rosin glyceride,
25 parts of toluene di-isocyanate(TDI),
8 parts of hydroxypropyl methyl cellulose,
25 parts of polytetrahydrofuran diol,
7 parts of epoxidized soybean oil,
Amido crash suck 5 parts of diketone,
10 parts of 1,4-butanediol,
8 parts of 2- tert-butyl hydroquinone,
10 parts of unifor；
The liquid viscose is using the method preparation included the following steps:
(1) by polytetrahydrofuran diol temperature be 110-125 DEG C at stirring vacuum be dehydrated 2-3h, be cooled to 70-78 DEG C；
(2) cyanoacrylate, hydrogenated rosin glyceride, toluene di-isocyanate(TDI), hydroxypropyl are added into polytetrahydrofuran diol
Ylmethyl cellulose, sealing stirring 1.2-1.5h, obtains reaction solution under conditions of 75-85 DEG C；
(3) then into the reaction solution of step (2) sequentially at the uniform velocity be added epoxidized soybean oil, amido crash suck diketone, 1,4-butanediol,
2- tert-butyl hydroquinone, and during addition, the temperature of guarantee system is 55-65 DEG C, and time control will be added and exist
0.5-1.5h obtains liquid viscose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510753230.XA CN106679499B (en) | 2015-11-06 | 2015-11-06 | A kind of non-lethal Self-defending device with super viscose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510753230.XA CN106679499B (en) | 2015-11-06 | 2015-11-06 | A kind of non-lethal Self-defending device with super viscose |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106679499A CN106679499A (en) | 2017-05-17 |
| CN106679499B true CN106679499B (en) | 2019-01-29 |
Family
ID=58862974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510753230.XA Active CN106679499B (en) | 2015-11-06 | 2015-11-06 | A kind of non-lethal Self-defending device with super viscose |
Country Status (1)
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| CN (1) | CN106679499B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4216746A1 (en) * | 1992-05-21 | 1993-11-25 | Sika Chemie Gmbh | Glue or adhesive applicator using compressed air - has recessed point on opening in nozzle head, the sections between recesses supporting and-or gripping point of nozzle body |
| CN101182405B (en) * | 2007-12-13 | 2011-09-14 | 华南理工大学 | Preparation method of dual-component aqueous polyurethane adhesive agent |
| CN201482624U (en) * | 2009-04-10 | 2010-05-26 | 安徽佳泰矿业科技有限公司 | Two-component polyurethane spray gun |
| CN101638464B (en) * | 2009-09-01 | 2011-05-04 | 陕西科技大学 | Method for preparing polyurethane-polyacrylic ester microemulsion |
| US8640717B2 (en) * | 2010-04-12 | 2014-02-04 | Thomas Robert McCarthy | Multipurpose sequential droplet applicator |
| CN103013423B (en) * | 2012-12-20 | 2014-06-04 | 南通高盟新材料有限公司 | Preparation method for high temperature-resistant waterborne polyurethane adhesive |
| CN104549815A (en) * | 2014-12-30 | 2015-04-29 | 中国兵器工业集团第五三研究所 | Two-component nonfatal viscous ammunition and firing device thereof |
-
2015
- 2015-11-06 CN CN201510753230.XA patent/CN106679499B/en active Active
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| CN106679499A (en) | 2017-05-17 |
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Effective date of registration: 20181213 Address after: 102488 Beijing Fangshan District, Chengguang East Road, No. 16 Courtyard, 5th Floor 502 Applicant after: BEIJING WUHUAN WEIYE TECHNOLOGY Co.,Ltd. Address before: 518000 20th Floor, Block C, Futian Science and Technology Plaza, 1006 Shennan Middle Road, Futian District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN ZHONGWU OPTICAL PRECISION MACHINERY CO.,LTD. |
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