CN104482203B - Wear-resistant nano ceramic sealing ring - Google Patents
Wear-resistant nano ceramic sealing ring Download PDFInfo
- Publication number
- CN104482203B CN104482203B CN201410688674.5A CN201410688674A CN104482203B CN 104482203 B CN104482203 B CN 104482203B CN 201410688674 A CN201410688674 A CN 201410688674A CN 104482203 B CN104482203 B CN 104482203B
- Authority
- CN
- China
- Prior art keywords
- parts
- sealing ring
- nano
- rubber
- wear
- 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.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L11/00—Compositions of homopolymers or copolymers of chloroprene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Gasket Seals (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a wear-resistant nano ceramic sealing ring, by means of taking nanoscale raw material white corundum, silicon dioxide, silicon carbide, boron carbide, zinc oxide, titanium oxide and the like as green body materials, and taking chloroprene rubber, silicone rubber, brominated butyl rubber, N660 carbon black, glass fiber, activating agent and PEG20000 as rubber components, the sealing ring is obtained through heat vulcanization process, the preparation process is simple and easy to industrialize, and the sealing ring prepared has excellent physical and chemical properties.
Description
Technical field
The invention belongs to sealing ring field, particularly to a kind of wear-resistant nano ceramics sealing ring.
Background technology
With China science and technology development, various techniques for the demand also more and more higher of mechanical seal and motion seal,
In fields such as metallurgy, machinery, chemical industry, medicine, food, noncorrosive pump, automobile and pneumatic elements, have increasing need for high precision,
Mechanical strength is good, and high temperature abrasion resistance is good, and resistance to chemical corrosion is good, the sealing ring of waterproof contour performance during temperature jump.
Ceramic seal circle is the emphasis of present research, and someone is by aluminium oxide 50～70wt%；Zirconium oxide 10～20wt%；Second
Glycol 3～7wt%；Polyethylene 5～9wt%；One or more of Ludox, Alumina gel or soft clay 2～5wt% makes
Fireproof clay sealing ring, but its purposes is limited, and sealing property also awaits improving；And nano ceramics are incorporated into ceramic field
It is the focus of present research, the excellent physical and chemical performance being had due to nano material, it will greatly improve mechanics, the electricity of nano ceramics
Learn and mechanical performance.
How pottery and sealing ring to be combined, formed by optimizing materials, obtain high performance ceramic seal circle according to
Old is everybody focus of interest and difficult point.
Content of the invention
The purpose of the present invention is for the problems referred to above, develops one kind and nano material is incorporated in ceramic seal circle, lead to
Cross and distribute suitable raw material rationally, obtain the ceramic seal circle with high-wearing feature.
This sealing ring is divided into two parts, and internal is nano ceramics part, and outside is rubber part, and nano ceramics part is passed through
In rubber, the weight portion of nano ceramics part consists of hot vulcanization process layout:
Nanoscale white fused alumina 50-70 part
Nano silicon 10-30 part
Nanometer silicon carbide 10-20 part
Fused magnesite 10-15 part
Nano boron carbide 5-10 part
Nano zine oxide 5-10 part
Nano-titanium oxide 5-10 part
White carbon black 5-10 part
Yttrium stable zirconium oxide 10-20 part
Andalusite 6-10 part
Tempering fiber 1-5 part
Pva 1-3 part
Aluminate cement 1-3 part；
The weight portion of rubber part consists of:
Neoprene 50-70 part
Silicone rubber 30-40 part
Brombutyl 30-50 part
N660 white carbon black 20-40 part
Glass fibre 3-5 part
Activator 1-3 part
Peg20000 1-3 part；
The wearing coefficient of described sealing ring reaches as high as 200g/cm3, and normal pressure compressive resistance is 600-800mpa, and normal pressure resists
Folding intensity is 650-850mpa, and resistance to maximum operation (service) temperature is not less than 1800 DEG C, and heat conductivity is 30-44w/(m k).
Preferably, described nanoscale white fused alumina a size of 40-80nm.
Preferably, the size of described nano silicon is 80-100nm.
Described wear-resistant ceramic sealing ring is obtained by following preparation method:
(1) after Ceramic Material being mixed in proportion, carry out ball milling, ball-milling medium is pure water, abrading-ball is aluminium oxide abrading-ball,
By ball milling 1-3h, obtain mixing homogeneous slurry, by sieving, after mist projection granulating, carry out secondary ball milling, ball-milling medium is pure
Water purification, abrading-ball is aluminium oxide abrading-ball, by ball milling 1-3h, the slurry after ball milling is placed in mould, with the pressure of 10-20mpa
Isostatic pressed is compressing, obtain green compact, subsequently carries out biscuiting 30-40min to green compact at 800 ~ 830 DEG C, obtains ceramic body；
(2) rubber raw materials are carried out crushing, ground and mixed, ball-milling medium is pure water, and abrading-ball is aluminium oxide abrading-ball, obtains
Homogeneous rubber raw materials；
(3) rubber raw materials are injected in ceramic body through high-pressure injection moulding machine, subsequently carry out vulcanizing 3- in vulcanizing tank
5h, curing temperature is 170-250 DEG C
(4) obtain wear-resistant ceramic sealing ring through conventional post processing.
Beneficial effects of the present invention:
(1) various blank raw materials and rubber raw materials are organically combined by the present invention by creative, and pass through
Optimize preparation technology, obtain good mechanical property, refractory heat-insulating, the wear-resistant ceramic sealing ring of health environment-friendly.
(2) present invention passes through to be introduced into nano inorganic material in the ceramic composition of sealing ring, further increases sealing ring
Physical and chemical performance, its wearing coefficient, normal pressure compressive resistance, normal pressure rupture strength and resistance to maximum operation (service) temperature and heat conductivity
All greatly promote compared to common sealing ring etc. parameter.
(4) the sealing ring preparation process is simple of present invention preparation, environmental protection, and it is easy to industrialized production.
Specific embodiment
With reference to specific embodiment, and with reference to data, the present invention is described in further detail.It should be understood that these embodiments
The present invention solely for the purpose of illustration, rather than limit the scope of the present invention by any way.
Embodiment 1:
A kind of wear-resistant nano ceramics sealing ring, this sealing ring is divided into two parts, and internal is nano ceramics part, and outside is
Rubber part, nano ceramics part passes through hot vulcanization process layout in rubber,
The weight portion of nano ceramics part consists of:
70 parts of nanoscale white fused alumina
30 parts of nano silicon
20 parts of nanometer silicon carbide
15 parts of fused magnesite
10 parts of nano boron carbide
10 parts of nano zine oxide
10 parts of nano-titanium oxide
10 parts of white carbon black
20 parts of yttrium stable zirconium oxide
10 parts of andalusite
5 parts of tempering fiber
3 parts of pva
3 parts of aluminate cement；
The weight portion of rubber part consists of:
70 parts of neoprene
40 parts of silicone rubber
50 parts of brombutyl
40 parts of n660 white carbon black
5 parts of glass fibre
3 parts of activator
3 parts of peg20000；
Nanoscale white fused alumina a size of 80nm；
The size of nano silicon is 100nm；
The wearing coefficient of described sealing ring is 200g/cm3, and normal pressure compressive resistance is 800mpa, and normal pressure rupture strength is
800mpa, resistance to maximum operation (service) temperature is 1980 DEG C, and heat conductivity is 42w/(m k).
Embodiment 2:
A kind of wear-resistant nano ceramics sealing ring, this sealing ring is divided into two parts, and internal is nano ceramics part, and outside is
Rubber part, nano ceramics part passes through hot vulcanization process layout in rubber,
The weight portion of nano ceramics part consists of:
50 parts of nanoscale white fused alumina
10 parts of nano silicon
10 parts of nanometer silicon carbide
10 parts of fused magnesite
5 parts of nano boron carbide
5 parts of nano zine oxide
5 parts of nano-titanium oxide
5 parts of white carbon black
10 parts of yttrium stable zirconium oxide
6 parts of andalusite
1 part of tempering fiber
1 part of pva
1 part of aluminate cement；
The weight portion of rubber part consists of:
50 parts of neoprene
30 parts of silicone rubber
30 parts of brombutyl
20 parts of n660 white carbon black
3 parts of glass fibre
1 part of activator
1 part of peg20000；
Nanoscale white fused alumina a size of 40nm；
The size of nano silicon is 80nm；
The wearing coefficient 180g/cm3 of described sealing ring, normal pressure compressive resistance is 770mpa, and normal pressure rupture strength is
800mpa, 1990 DEG C of resistance to maximum operation (service) temperature, heat conductivity is 40w/(m k).
Embodiment 3:
A kind of wear-resistant nano ceramics sealing ring, this sealing ring is divided into two parts, and internal is nano ceramics part, and outside is
Rubber part, nano ceramics part passes through hot vulcanization process layout in rubber,
The weight portion of nano ceramics part consists of:
60 parts of nanoscale white fused alumina
30 parts of nano silicon
20 parts of nanometer silicon carbide
15 parts of fused magnesite
10 parts of nano boron carbide
10 parts of nano zine oxide
10 parts of nano-titanium oxide
10 parts of white carbon black
20 parts of yttrium stable zirconium oxide
10 parts of andalusite
5 parts of tempering fiber
3 parts of pva
3 parts of aluminate cement；
The weight portion of rubber part consists of:
70 parts of neoprene
40 parts of silicone rubber
50 parts of brombutyl
40 parts of n660 white carbon black
5 parts of glass fibre
3 parts of activator
3 parts of peg20000；
Nanoscale white fused alumina a size of 80nm；
The size of nano silicon is 90nm；
The wearing coefficient of described sealing ring is 190g/cm3, and normal pressure compressive resistance is 700mpa, and normal pressure rupture strength is
770mpa, resistance to maximum operation (service) temperature is 1940 DEG C, and heat conductivity is 40w/(m k).
Embodiment 4:
A kind of wear-resistant nano ceramics sealing ring, this sealing ring is divided into two parts, and internal is nano ceramics part, and outside is
Rubber part, nano ceramics part passes through hot vulcanization process layout in rubber,
The weight portion of nano ceramics part consists of:
50 parts of nanoscale white fused alumina
20 parts of nano silicon
20 parts of nanometer silicon carbide
15 parts of fused magnesite
10 parts of nano boron carbide
10 parts of nano zine oxide
10 parts of nano-titanium oxide
10 parts of white carbon black
20 parts of yttrium stable zirconium oxide
10 parts of andalusite
5 parts of tempering fiber
3 parts of pva
3 parts of aluminate cement；
The weight portion of rubber part consists of:
70 parts of neoprene
40 parts of silicone rubber
50 parts of brombutyl
40 parts of n660 white carbon black
5 parts of glass fibre
3 parts of activator
3 parts of peg20000；
Nanoscale white fused alumina a size of 80nm；
The size of nano silicon is 90nm；
The wearing coefficient of described sealing ring is 185g/cm3, and normal pressure compressive resistance is 720mpa, and normal pressure rupture strength is
760mpa, resistance to maximum operation (service) temperature is 1900 DEG C, and heat conductivity is 42w/(m k).
Embodiment 5:
A kind of wear-resistant nano ceramics sealing ring, this sealing ring is divided into two parts, and internal is nano ceramics part, and outside is
Rubber part, nano ceramics part passes through hot vulcanization process layout in rubber,
The weight portion of nano ceramics part consists of:
50 parts of nanoscale white fused alumina
20 parts of nano silicon
20 parts of nanometer silicon carbide
15 parts of fused magnesite
10 parts of nano boron carbide
10 parts of nano zine oxide
10 parts of nano-titanium oxide
10 parts of white carbon black
20 parts of yttrium stable zirconium oxide
10 parts of andalusite
5 parts of tempering fiber
3 parts of pva
3 parts of aluminate cement；
The weight portion of rubber part consists of:
70 parts of neoprene
40 parts of silicone rubber
50 parts of brombutyl
40 parts of n660 white carbon black
5 parts of glass fibre
3 parts of activator
3 parts of peg20000；
Nanoscale white fused alumina a size of 40nm；
The size of nano silicon is 100nm；
The wearing coefficient of described sealing ring is 186g/cm3, and normal pressure compressive resistance is 740mpa, and normal pressure rupture strength is
730mpa, resistance to maximum operation (service) temperature is 1990 DEG C, and heat conductivity is 41w/(m k).
Comparative example 1:
A kind of wear-resistant ceramic sealing ring, this sealing ring is divided into two parts, and internal is ceramic segment, and outside is rubber section
Point, ceramic segment passes through hot vulcanization process layout in rubber,
The weight portion of ceramic segment consists of:
70 parts of white fused alumina
30 parts of silicon dioxide
20 parts of carborundum
15 parts of fused magnesite
10 parts of boron carbide
10 parts of zinc oxide
10 parts of titanium oxide
10 parts of white carbon black
20 parts of yttrium stable zirconium oxide
10 parts of andalusite
5 parts of tempering fiber
3 parts of pva
3 parts of aluminate cement；
The weight portion of rubber part consists of:
70 parts of neoprene
40 parts of silicone rubber
50 parts of brombutyl
40 parts of n660 white carbon black
5 parts of glass fibre
3 parts of activator
3 parts of peg20000；
A size of 80 μm of white fused alumina；
The size of silicon dioxide is 100 μm；
The wearing coefficient of described sealing ring is 100g/cm3, and normal pressure compressive resistance is 400mpa, and normal pressure rupture strength is
600mpa, resistance to maximum operation (service) temperature is 1480 DEG C, and heat conductivity is 31w/(m k).
Comparative example 2:
A kind of wear-resistant nano ceramics sealing ring, this sealing ring is divided into two parts, and internal is nano ceramics part, and outside is
Rubber part, nano ceramics part passes through hot vulcanization process layout in rubber,
The weight portion of nano ceramics part consists of:
70 parts of nanoscale white fused alumina
0 part of nano silicon
0 part of nanometer silicon carbide
15 parts of fused magnesite
0 part of nano boron carbide
10 parts of nano zine oxide
10 parts of nano-titanium oxide
10 parts of white carbon black
20 parts of yttrium stable zirconium oxide
10 parts of andalusite
5 parts of tempering fiber
3 parts of pva
3 parts of aluminate cement；
The weight portion of rubber part consists of:
70 parts of neoprene
40 parts of silicone rubber
50 parts of brombutyl
40 parts of n660 white carbon black
5 parts of glass fibre
3 parts of activator
3 parts of peg20000；
Nanoscale white fused alumina a size of 80nm；
The wearing coefficient of described sealing ring is 150g/cm3, and normal pressure compressive resistance is 600mpa, and normal pressure rupture strength is
720mpa, resistance to maximum operation (service) temperature is 1580 DEG C, and heat conductivity is 36w/(m k).
Claims (3)
1. a kind of wear-resistant nano ceramics sealing ring it is characterised in that: this sealing ring is divided into two parts, and internal is nano ceramics portion
Point, outside is rubber part, and nano ceramics part passes through hot vulcanization process layout in rubber,
The weight portion of nano ceramics part consists of:
Nanoscale white fused alumina 50-70 part
Nano silicon 10-30 part
Nanometer silicon carbide 10-20 part
Fused magnesite 10-15 part
Nano boron carbide 5-10 part
Nano zine oxide 5-10 part
Nano-titanium oxide 5-10 part
White carbon black 5-10 part
Yttrium stable zirconium oxide 10-20 part
Andalusite 6-10 part
Tempering fiber 1-5 part
Pva 1-3 part
Aluminate cement 1-3 part；
The weight portion of rubber part consists of:
Neoprene 50-70 part
Silicone rubber 30-40 part
Brombutyl 30-50 part
N660 white carbon black 20-40 part
Glass fibre 3-5 part
Activator 1-3 part
Peg20000 1-3 part；
The wearing coefficient of described sealing ring reaches as high as 200g/cm3, normal pressure compressive resistance is 600-800mpa, normal pressure rupture strength
For 650-850mpa, at 1900 DEG C -1990 DEG C, heat conductivity is 30-44w/(m k to resistance to maximum operation (service) temperature).
2. the wear-resistant nano ceramics sealing ring as described in claim 1 it is characterised in that described nanoscale white fused alumina a size of
40-80nm.
3. wear-resistant nano ceramics sealing ring as described in claim 1 or 2 is it is characterised in that described nano silicon
A size of 80-100nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410688674.5A CN104482203B (en) | 2014-11-26 | 2014-11-26 | Wear-resistant nano ceramic sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410688674.5A CN104482203B (en) | 2014-11-26 | 2014-11-26 | Wear-resistant nano ceramic sealing ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104482203A CN104482203A (en) | 2015-04-01 |
| CN104482203B true CN104482203B (en) | 2017-02-01 |
Family
ID=52756779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410688674.5A Expired - Fee Related CN104482203B (en) | 2014-11-26 | 2014-11-26 | Wear-resistant nano ceramic sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104482203B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107275529B (en) * | 2017-06-12 | 2020-10-27 | 广东康荣高科新材料股份有限公司 | Lithium ion battery cathode pole sealing structure and preparation process thereof |
| CN110208961A (en) * | 2019-07-05 | 2019-09-06 | 丹阳市宏鑫光学眼镜有限公司 | A kind of shock resistance ultra-toughness polyurethane eyeglass |
| CN111807756B (en) * | 2020-07-08 | 2022-05-03 | 苏州斯尔兰德材料科技有限公司 | Flexible high-temperature-resistant sealing material and preparation method and application thereof |
| CN112409709A (en) * | 2020-10-15 | 2021-02-26 | 扬州千裕电气有限公司 | High-pressure environment-friendly ceramic rubber sealing ring |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01105069A (en) * | 1987-10-14 | 1989-04-21 | Toyota Motor Corp | Gasket for high temperature use |
| CN201599403U (en) * | 2009-12-10 | 2010-10-06 | 湖南精城特种陶瓷有限公司 | Rubber ceramic sealing ring |
| CN103351559A (en) * | 2013-06-24 | 2013-10-16 | 安徽春辉仪表线缆集团有限公司 | Tetrafluoroethylene-propylene rubber/silicone rubber/chloroprene rubber composite sealing pad and preparation method thereof |
| CN103408809A (en) * | 2013-07-01 | 2013-11-27 | 芜湖市银鸿液压件有限公司 | High-abrasion-resistance hydraulic sealing gasket and preparation method thereof |
| CN105254949A (en) * | 2013-11-01 | 2016-01-20 | 国网河南省电力公司漯河供电公司 | Anti-pressure wear-resistant corrosion-resistant transformer sealing ring |
| CN203656174U (en) * | 2013-11-22 | 2014-06-18 | 松阳县轻源机械设备有限公司 | Economical sealing ring |
-
2014
- 2014-11-26 CN CN201410688674.5A patent/CN104482203B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104482203A (en) | 2015-04-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104482203B (en) | Wear-resistant nano ceramic sealing ring | |
| CN104482204B (en) | Ceramic sealing ring prepared by using waste materials | |
| CN109265131B (en) | Aerogel vacuum insulation panel and preparation method of core material thereof | |
| CN103664083B (en) | High-strength iron slag powders thermal insulation mortar and preparation method thereof | |
| CN109553385B (en) | Chrysotile tailing ceramsite and preparation method thereof | |
| CN103360687A (en) | High-durability sealing gasket made of kaolin/ethylene-propylene-diene monomer rubber and production method of high-durability sealing gasket | |
| CN103011693A (en) | Quartz plate and preparation method thereof | |
| CN107619224B (en) | Anti-cracking heat-preserving recycled aggregate mortar and preparation method thereof | |
| CN103694610A (en) | Rubber sealing pad material with wear resistance and sealing performance and preparation method of material | |
| CN105860527A (en) | Wear-resistant mechanical sealing ring compound rubber material and preparation technology thereof | |
| CN104529244A (en) | Anti-aging and antibacterial artificial quartzite board and manufacturing method thereof | |
| CN104500733B (en) | A kind of preparation method of wear-resistant nano ceramics sealing ring | |
| CN104482205B (en) | A kind of method for preparing ceramic seal circle using waste and old raw material | |
| CN103642189B (en) | A kind of modified EPT rubber composite gland bush material and preparation method thereof | |
| CN103709533A (en) | Multi-rubber compounded sealing gasket material and preparation method thereof | |
| CN103756027B (en) | A kind of novel mixed rubber capacitor sealing ring and preparation method thereof | |
| CN103709531A (en) | Non-toxic and environmental friendly composite rubber mixing sealing gasket material and preparation method thereof | |
| CN113620645A (en) | Temperature-resistant concrete and processing technology thereof | |
| CN105170873A (en) | Novel modified molding sand | |
| CN104028245A (en) | Modified nanometer titanium dioxide with relatively good adsorption effect and preparation method thereof | |
| CN104046075A (en) | Asphalt waterproof material | |
| CN103694502A (en) | Sealing gasket material formed by compounding natural rubber and butadiene rubber and preparation method of sealing gasket material | |
| CN103694516A (en) | Composite rubber sealing pad material with sealing performance and wear resistance and preparation method of material | |
| CN107383424A (en) | A kind of pollution-free preparation process of modified micaceous powder | |
| CN104556869B (en) | A kind of high rigidity terrace and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Jianxun Inventor after: Hou Xiaocui Inventor before: Su Guodong |
|
| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20161206 Address after: Huiying economic and Technological Development Zone Jiaozhou city Shandong province Qingdao 266300 Street No. 2 Applicant after: QINGDAO R & D INSTITUTE, XI'AN JIAOTONG UNIVERSITY Address before: Shen Hu Cun town Shaoxing city Shengzhou City, Zhejiang province 312400 Applicant before: SHENGZHOU YIYUAN SEALING MEMBER CO., LTD. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 Termination date: 20181126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |