CN104629139B - Resistance to ozone uvioresistant Lycoperdon polymorphum Vitt rubber tube outer layer glue and preparation method thereof - Google Patents
Resistance to ozone uvioresistant Lycoperdon polymorphum Vitt rubber tube outer layer glue and preparation method thereof Download PDFInfo
- Publication number
- CN104629139B CN104629139B CN201510042048.3A CN201510042048A CN104629139B CN 104629139 B CN104629139 B CN 104629139B CN 201510042048 A CN201510042048 A CN 201510042048A CN 104629139 B CN104629139 B CN 104629139B
- Authority
- CN
- China
- Prior art keywords
- rubber
- banbury
- white carbon
- outer layer
- antioxidant
- 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
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
Abstract
Resistance to ozone anti-ultraviolet Lycoperdon polymorphum Vitt rubber tube outer layer glue and preparation method thereof, by polymer alloy rubber, chlorinated polyethylene rubber, zinc oxide, stearic acid, anti-aging agent RD, antioxidant 4010NA, antioxidant NBC, microwax 9332F, RD136 resin, white carbon black N660, white carbon 25 30 etc. raw material, be prepared from through processing technique calendering process.The Lycoperdon polymorphum Vitt rubber tube outer layer glue physical property made according to the present invention and ageing-resistant and ultraviolet effect is notable.By 0.8J/m2Ultraviolet ray intensity and temperature detect after 72 hours, without variable color and crack performance under conditions of being 70 DEG C；And do production tube and be exposed to the sun in the sunlight experiment in 23 months, change without exception.
Description
Technical field
The invention belongs to rubber manufacturing process, be specifically related to a kind of resistance to ozone anti-ultraviolet Lycoperdon polymorphum Vitt rubber tube outer layer glue and
Its preparation method.
Background technology
Lycoperdon polymorphum Vitt rubber tube belongs to light-colour rubber goods, owing to lacking the strengthening action of white carbon black, often causes rubber physical
Degraded performance, ageing-resistant effect is undesirable, shows that its ozone resistance and uvioresistant aspect are much worse than greatly black rubber goods.
Lycoperdon polymorphum Vitt rubber tube, in outdoor application, especially uses under sunlight, and have more than is needed how long outer layer glue arises that be full of cracks and color are sent out
Dark phenomenon, affects service life and appearance.
Summary of the invention
It is an object of the invention to provide a kind of resistance to ozone anti-ultraviolet Lycoperdon polymorphum Vitt rubber tube outer layer glue and preparation method thereof, energy
Effectively reduce Lycoperdon polymorphum Vitt rubber tube and there will be full of cracks and the phenomenon being a bit darkish in color in outdoor application.
For achieving the above object, the present invention is by the following technical solutions:
Resistance to ozone anti-ultraviolet Lycoperdon polymorphum Vitt rubber tube outer layer glue, is prepared from by the raw material of following weight parts: rubber and plastic alloy
Rubber 55-60, chlorinated polyethylene rubber 40-45, zinc oxide 3-5, stearic acid 1-2, age resistor 3-4, microwax 9332F 2-3,
RD136 resin 15-18, white carbon black N660 0.1-0.2, white carbon 25-30, fine silica powder 20-25, precipitated calcium carbonate 35-
40, dibutyl ester 20-25, sulfur 2-3, accelerator CBS 0.5-1, vulcanizing agent TCHC3-5, rubber adhesive RC4-5.
Described age resistor is anti-aging agent RD, antioxidant 4010NA, antioxidant NBC, and its mass fraction is than for 1:(1-2): 1.
The preparation method of resistance to ozone anti-ultraviolet Lycoperdon polymorphum Vitt rubber tube outer layer glue, comprises the technical steps that:
Processing technique
The first step, banbury is plasticated, and adds polymer alloy rubber and chlorinated polyethylene rubber and RD136 tree in banbury
Fat, controls banbury rotating speed and is 30-35 rev/min, binder removal when banbury temperature is upgraded to 95-105 DEG C；
Second step, uses mill to carry out thin logical technique, and before and after adjusting mill, roller is warmed up to 55-60 DEG C, before and after making
The distance of two rollers is 0.1-1mm, adds the rubber and plastic alloy glue through banbury premix and chlorinated polyethylene rubber and RD136 resin
Epoxy glue, carefully plasticate, it is desirable to tuning up the distance of before and after two roller after five bags volume three is 5-10mm, and bottom sheet parks 20-24
Hour, it is robber materials；
Calendering process, point two-stage nitration
First paragraph: (1) adjusts banbury rotating speed and is 25-30 rev/min, rises floating weight, adds the rubber after plasticating and parking
Collagen-based materials, zinc oxide, stearic acid, age resistor, microwax 9332F and white carbon black N660, banburying 2-3 minute；
(2) white carbon of half, fine silica powder, precipitated calcium carbonate, banburying 2-3 minute are added；
(3) remaining white carbon, fine silica powder, precipitated calcium carbonate and whole dibutyl esters, banburying 4-5 minute are added
Rear binder removal, bottom sheet, cooling, park 10-12 hour, for lower road technique, omnidistance temperature controls at 90-120 DEG C；
Second segment: (1) adjust banbury rotating speed be 25-30 rev/min, add first paragraph mixing after sizing material raw material, sulfur,
Accelerator CBS, vulcanizing agent TCHC and rubber adhesive RC, banburying 2-3 minute, binder removal, dump temperature is 70-90 DEG C；
(2) after volume three operations are wrapped in mill five, the sheet cooling of lower 4-6mm is parked.
The Lycoperdon polymorphum Vitt rubber tube outer layer glue physical property made according to the present invention and ageing-resistant and ultraviolet effect is notable.Press
0.8J/m2Ultraviolet ray intensity and temperature detect after 72 hours, without variable color and crack performance under conditions of being 70 DEG C；And do production tube
It is exposed to the sun in the sunlight 2-3 month and tests, change without exception.
Detailed description of the invention
Embodiment 1
Resistance to ozone anti-ultraviolet Lycoperdon polymorphum Vitt rubber tube outer layer glue, is prepared from by the raw material of following weight parts: rubber and plastic alloy
Rubber 55-60, chlorinated polyethylene rubber 40-45, zinc oxide 3-5, stearic acid 1-2, age resistor 3-4, microwax 9332F 2-3,
RD136 resin 15-18, white carbon black N660 0.1-0.2, white carbon 25-30, fine silica powder 20-25, precipitated calcium carbonate 35-
40, dibutyl ester 20-25, sulfur 2-3, accelerator CBS 0.5-1, vulcanizing agent TCHC3-5, rubber adhesive RC4-5.
Described age resistor is anti-aging agent RD, antioxidant 4010NA, antioxidant NBC, and its mass fraction is than for 1:(1-2): 1.
The preparation method of resistance to ozone anti-ultraviolet Lycoperdon polymorphum Vitt rubber tube outer layer glue, comprises the technical steps that:
Processing technique
The first step, banbury is plasticated, and adds polymer alloy rubber and chlorinated polyethylene rubber and RD136 tree in banbury
Fat, controls banbury rotating speed and is 30-35 rev/min, binder removal when banbury temperature is upgraded to 95-105 DEG C；
Second step, uses mill to carry out thin logical technique, and before and after adjusting mill, roller is warmed up to 55-60 DEG C, before and after making
The distance of two rollers is 0.1-1mm, adds the rubber and plastic alloy glue through banbury premix and chlorinated polyethylene rubber and RD136 resin
Epoxy glue, carefully plasticate, it is desirable to tuning up the distance of before and after two roller after five bags volume three is 5-10mm, and bottom sheet parks 20-24
Hour, it is robber materials；
Calendering process, point two-stage nitration
First paragraph: (1) adjusts banbury rotating speed and is 25-30 rev/min, rises floating weight, adds the rubber after plasticating and parking
Collagen-based materials, zinc oxide, stearic acid, age resistor, microwax 9332F and white carbon black N660, banburying 2-3 minute；
(2) white carbon of half, fine silica powder, precipitated calcium carbonate, banburying 2-3 minute are added；
(3) remaining white carbon, fine silica powder, precipitated calcium carbonate and whole dibutyl esters, banburying 4-5 minute are added
Rear binder removal, bottom sheet, cooling, park 10-12 hour, for lower road technique, omnidistance temperature controls at 90-120 DEG C；
Second segment: (1) adjust banbury rotating speed be 25-30 rev/min, add first paragraph mixing after sizing material raw material, sulfur,
Accelerator CBS, vulcanizing agent TCHC and rubber adhesive RC, banburying 2-3 minute, binder removal, dump temperature is 70-90 DEG C；
(2) after volume three operations are wrapped in mill five, the sheet cooling of lower 4-6mm is parked stand-by.
Embodiment 2
Resistance to ozone anti-ultraviolet Lycoperdon polymorphum Vitt rubber tube outer layer glue, outer layer glue is prepared from by the material of following weight: rubber and plastic
Alloy glue 60kg, chlorinated polyethylene rubber 40 kg, zinc oxide 5 kg, stearic acid 1 kg, anti-aging agent RD 1 kg, age resistor
4010NA1.5 kg, antioxidant NBC 1 kg, microwax 9332F 2 kg, RD136 resin 15 kg, white carbon black N660 0.15 kg,
White carbon 30 kg, fine silica powder 20 kg, precipitated calcium carbonate 40 kg, dibutyl ester 25 kg, sulfur 2.5 kg, accelerator
CBS0.8 kg, vulcanizing agent TCHC3 kg, binding agent RC5 kg.
The preparation method of resistance to ozone anti-ultraviolet Lycoperdon polymorphum Vitt rubber tube outer layer glue, the preparation technology of outer layer glue is as follows:
Processing technique
The first step, banbury is plasticated, and adds polymer alloy rubber and chlorinated polyethylene rubber and RD136 tree in banbury
Fat, controlling banbury rotating speed is 33 revs/min, i.e. binder removal when banbury temperature is upgraded to 100 DEG C；
Second step, uses mill to carry out thin logical technique, and before and after adjusting mill, roller is warmed up to 55 DEG C, makes before and after two roller
The distance of cylinder is 1mm, adds the rubber and plastic alloy glue through banbury premix and chlorinated polyethylene rubber and the mixing of RD136 resin
Glue, carefully plasticates, it is desirable to the distance tuning up before and after two roller after five bags volume three is 5mm, and bottom sheet is parked 24 hours, is rubber
Raw material；
Calendering process, point two-stage nitration
First paragraph: (1) adjusts banbury rotating speed is 28 revs/min, rises floating weight, adds the rubber after plasticating and parking former
Material, zinc oxide, stearic acid, age resistor, microwax 9332F and white carbon black N660, banburying 3 minutes；
(2) white carbon of half, fine silica powder, precipitated calcium carbonate, banburying 2 minutes are added；
(3) remaining white carbon, fine silica powder, precipitated calcium carbonate and whole dibutyl esters are added, after banburying 5 minutes
Binder removal, bottom sheet, cooling, park 12 hours, for lower road technique, omnidistance temperature controls at 120 DEG C；
Second segment: (1) adjusts banbury rotating speed is 25 revs/min, adds sizing material raw material, sulfur, rush after first paragraph is mixing
Entering agent CBS, vulcanizing agent TCHC and binding agent RC, banburying 3 minutes, binder removal, dump temperature is 90 DEG C；
(2) after volume three operations are wrapped in mill five, the sheet cooling of lower 4mm is parked stand-by.
Correlated performance detects
(1) physical property.Hardness: Shao 72(A)；Stretch breaking strength: 12MPa；Elongation rate of tensile failure: 350%；300% stretches by force surely
Degree: 6MPa；Permanent deformation: 16%.
(2) resistance to ozone detection.Test after 72 hours under conditions of ozone concentration 50ppm and temperature are 40 DEG C, without be full of cracks
Phenomenon.
(3) ultraviolet light detection.By 0.8J/m2Ultraviolet ray intensity and temperature detect after 72 hours under conditions of being 70 DEG C,
Without variable color and crack performance；And do production tube and be exposed to the sun in the sunlight experiment in 3 months, change without exception.
(4) with the bond properties of coppered steel wire.Test with the coppered steel wire of a diameter of 0.3mm, intensity 2750MPa,
Extraction force is 150N, and binding efficiency is 100%.
Embodiment 3
Resistance to ozone anti-ultraviolet Lycoperdon polymorphum Vitt rubber tube outer layer glue, outer layer glue is prepared from by the material of following weight: rubber and plastic
Alloy glue 55Kg, chlorinated polyethylene rubber 45 Kg, zinc oxide 3 Kg, stearic acid 2 Kg, anti-aging agent RD 1 Kg, age resistor
4010NA 1 Kg, antioxidant NBC 1 Kg, microwax 9332F 3 Kg, RD136 resin 18 Kg, white carbon black N660 0.1 Kg, white
White carbon black 25 Kg, fine silica powder 25 Kg, precipitated calcium carbonate 35 Kg, dibutyl ester 25 Kg, sulfur 2.5 Kg, accelerator
CBS0.5 Kg, vulcanizing agent TCHC3 Kg, rubber adhesive RC4 Kg.
The preparation method of resistance to ozone anti-ultraviolet Lycoperdon polymorphum Vitt rubber tube outer layer glue, the preparation technology of outer layer glue is as follows:
Processing technique
The first step, banbury is plasticated, and adds polymer alloy rubber and chlorinated polyethylene rubber and RD136 tree in banbury
Fat, controlling banbury rotating speed is 30 revs/min, i.e. binder removal when banbury temperature is upgraded to 95 DEG C；
Second step, uses mill to carry out thin logical technique, and before and after adjusting mill, roller is warmed up to 56 DEG C, makes before and after two roller
The distance of cylinder is 0.51mm, and add through the rubber and plastic alloy glue of banbury premix and chlorinated polyethylene rubber and RD136 resin is mixed
Rubber alloy, carefully plasticates, it is desirable to the distance tuning up before and after two roller after five bags volume three is 8mm, and bottom sheet is parked 22 hours, is rubber
Collagen-based materials；
Calendering process, point two-stage nitration
First paragraph: (1) adjusts banbury rotating speed is 25 revs/min, rises floating weight, adds the rubber after plasticating and parking former
Material, zinc oxide, stearic acid, age resistor, microwax 9332F and white carbon black N660, banburying 2 minutes；
(2) white carbon of half, fine silica powder, precipitated calcium carbonate, banburying 2.3 minutes are added；
(3) remaining white carbon, fine silica powder, precipitated calcium carbonate and whole dibutyl esters, banburying 4.5 minutes are added
Rear binder removal, bottom sheet, cooling, park 10 hours, for lower road technique, omnidistance temperature controls at 100 DEG C；
Second segment: (1) adjusts banbury rotating speed is 21 revs/min, adds the mixing rear sizing material raw material of first paragraph, sulfur, promotion
Agent CBS, vulcanizing agent TCHC and binding agent RC, banburying 3 minutes, binder removal, dump temperature is 80 DEG C；
(2) after volume three operations are wrapped in mill five, the sheet cooling of lower 4mm is parked stand-by.
Correlated performance testing result
(1) physical property.Hardness: Shao 70(A)；Stretch breaking strength: 11MPa；Elongation rate of tensile failure: 310%；300% stretches by force surely
Degree: 5.8MPa；Permanent deformation: 18%.
(2) resistance to ozone detection.Test after 72 hours under conditions of ozone concentration 55ppm and temperature are 43 DEG C, without be full of cracks
Phenomenon.
(3) ultraviolet light detection.By 0.9J/m2Ultraviolet ray intensity and temperature detect after 72 hours under conditions of being 75 DEG C,
Without variable color and crack performance；And do production tube and be exposed to the sun in the sunlight experiment in 3 months, change without exception.
(4) with the bond properties of coppered steel wire.Test with the coppered steel wire of a diameter of 0.3mm, intensity 2750MPa,
Extraction force is 155N, and binding efficiency is 99%.
Embodiment 4
Concrete steps such as embodiment 2, be not both technological parameter in the content of each material, preparation technology in formula change and
Performance detection detects environment, the difference of testing result, specifically as shown in table 1, table 2, table 3.
Claims (2)
- The most resistance to ozone anti-ultraviolet Lycoperdon polymorphum Vitt rubber tube outer layer glue, it is characterised in that be prepared from by the raw material of following weight parts: Polymer alloy rubber 55-60, chlorinated polyethylene rubber 40-45, zinc oxide 3-5, stearic acid 1-2, microwax 9332F 2-3, RD136 resin 15-18, white carbon black N660 0.1-0.2, white carbon 25-30, fine silica powder 20-25, precipitated calcium carbonate 35- 40, dibutyl ester 20-25, sulfur 2-3, accelerator CBS 0.5-1, vulcanizing agent TCHC3-5, rubber adhesive RC4-5, anti-aging agent RD 3-4, anti-aging agent RD and antioxidant 4010NA and antioxidant NBC mass fraction ratio is amounted to antioxidant 4010NA and antioxidant NBC For 1:(1-2): 1.
- The preparation method of resistance to ozone the most as claimed in claim 1 anti-ultraviolet Lycoperdon polymorphum Vitt rubber tube outer layer glue, it is characterised in that Comprise the technical steps that:Processing techniqueThe first step, banbury is plasticated, and adds polymer alloy rubber and chlorinated polyethylene rubber and RD136 resin in banbury, Control banbury rotating speed and be 30-35 rev/min, binder removal when banbury temperature is upgraded to 95-105 DEG C；Second step, uses mill to carry out thin logical technique, and before and after adjusting mill, roller is warmed up to 55-60 DEG C, makes before and after two roller The distance of cylinder is 0.1-1mm, and add through the rubber and plastic alloy glue of banbury premix and chlorinated polyethylene rubber and RD136 resin is mixed Rubber alloy, carefully plasticates, it is desirable to the distance tuning up before and after two roller after five bags volume three is 5-10mm, and bottom sheet is parked 20-24 hour, It is robber materials；Calendering process, point two-stage nitrationFirst paragraph: (1) adjusts banbury rotating speed and is 25-30 rev/min, rises floating weight, adds the rubber after plasticating and parking former Material, zinc oxide, stearic acid, anti-aging agent RD, antioxidant 4010NA, antioxidant NBC, microwax 9332F and white carbon black N660, banburying 2-3 minute；(2) white carbon of half, fine silica powder, precipitated calcium carbonate, banburying 2-3 minute are added；(3) remaining white carbon, fine silica powder, precipitated calcium carbonate and whole dibutyl esters, 4-5 minute heel row of banburying are added Glue, bottom sheet, cooling, park 10-12 hour, for lower road technique, omnidistance temperature controls at 90-120 DEG C；Second segment: (1) adjusts banbury rotating speed and is 25-30 rev/min, the sizing material raw material after addition first paragraph is mixing, sulfur, promotion Agent CBS, vulcanizing agent TCHC and rubber adhesive RC, banburying 2-3 minute, binder removal, dump temperature is 70-90 DEG C；(2) after volume three operations are wrapped in mill five, the sheet cooling of lower 4-6mm is parked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042048.3A CN104629139B (en) | 2015-01-28 | 2015-01-28 | Resistance to ozone uvioresistant Lycoperdon polymorphum Vitt rubber tube outer layer glue and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042048.3A CN104629139B (en) | 2015-01-28 | 2015-01-28 | Resistance to ozone uvioresistant Lycoperdon polymorphum Vitt rubber tube outer layer glue and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104629139A CN104629139A (en) | 2015-05-20 |
| CN104629139B true CN104629139B (en) | 2016-08-31 |
Family
ID=53208406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510042048.3A Active CN104629139B (en) | 2015-01-28 | 2015-01-28 | Resistance to ozone uvioresistant Lycoperdon polymorphum Vitt rubber tube outer layer glue and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104629139B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105778311A (en) * | 2016-05-18 | 2016-07-20 | 衡水吉地尔特种胶管有限公司 | Outer rubber material for steel wire-woven hydraulic rubber pipe and preparation method of outer rubber material |
| CN106928561A (en) * | 2017-02-23 | 2017-07-07 | 兖矿集团邹城金通橡胶有限公司 | A kind of black rubber of resistance to ozone outer tube layer glue and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734571A (en) * | 2012-07-02 | 2012-10-17 | 漯河市利通橡胶有限公司 | Compact steel wire braided rubber hose and preparation method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2312546C (en) * | 1999-06-28 | 2004-11-02 | Takahiro Nishiyama | Rubber composition, hose of low fuel permeation and electroconductive hose of low fuel permeation |
| CN100462400C (en) * | 2005-12-03 | 2009-02-18 | 河北九星橡塑制品有限公司 | Oil and acid-base resisting blended material and its production |
| CN103374181B (en) * | 2012-04-17 | 2016-01-20 | 辽宁德成科技集团有限公司 | A kind of chlorinated polythylene rubber pipe hose lining formula and preparation method thereof |
| CN103087371B (en) * | 2013-02-06 | 2015-01-14 | 福建省鑫橡龙橡塑制品有限公司 | Oil-resistant rubber tube for automobile |
| CN103937055A (en) * | 2014-04-04 | 2014-07-23 | 陕西科隆能源科技有限公司 | Ternary-blended winding inside rubber material and production process thereof |
-
2015
- 2015-01-28 CN CN201510042048.3A patent/CN104629139B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734571A (en) * | 2012-07-02 | 2012-10-17 | 漯河市利通橡胶有限公司 | Compact steel wire braided rubber hose and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104629139A (en) | 2015-05-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105504398B (en) | A kind of low temperature resistant minus 55 DEG C of hydraulic rubber flexible pipe outer layer glue | |
| CN105400085B (en) | A kind of heat resistant rubber and preparation method thereof | |
| CN104629139B (en) | Resistance to ozone uvioresistant Lycoperdon polymorphum Vitt rubber tube outer layer glue and preparation method thereof | |
| CN101555327B (en) | Formulation of high-concentration ozone resistant rubber tube | |
| CN102167853A (en) | Formula and preparation method of nitrile-butadiene rubber for speed-reducing clutch oil seal | |
| CN102128315A (en) | Laminated coextrusion low-pressure water pipe and manufacturing method thereof | |
| CN114479247B (en) | Anti-aging master batch UV-H300PE and preparation method and application thereof | |
| CN111574835A (en) | Single-component room temperature vulcanized silicone rubber capable of being deeply cured and preparation method thereof | |
| CN1865324A (en) | Low temperature resistant polyvinyl chloride salt film for anti-aging | |
| CN109852025A (en) | A kind of high-impact for automobile exterior trimming parts, high durable PC/ASA alloy material and preparation method thereof | |
| CN101391877B (en) | Composite earth brick made by plant stalk and waste and old rubber | |
| CN106751100A (en) | A kind of flowing ASA materials weather-proof, high and preparation method thereof | |
| CN107488307A (en) | A kind of heat-resisting ASA composite material of highlight type high durable and preparation method thereof | |
| CN104341624A (en) | Sizing material adhered to belt ply steel wire of truck radial tire and preparation method | |
| CN104774400B (en) | PVC pellet compositions of low compression set and its preparation method and application | |
| CN103665624A (en) | Modified polyvinyl chloride cable material and preparation method thereof | |
| CN101735742B (en) | Tire bead steel wire adhesive | |
| CN106009148A (en) | PE (poly ethylene) protection film material for automobile and preparation method thereof | |
| CN104129106B (en) | Low extraction hydraulic braking pipe | |
| CN105273317A (en) | High-density TPV material and preparation method thereof | |
| CN106928561A (en) | A kind of black rubber of resistance to ozone outer tube layer glue and preparation method thereof | |
| CN115895028A (en) | Microcrystalline graphite filler, rubber material using same, and preparation method and application thereof | |
| CN107057229A (en) | A kind of PVC film gloss application sheet | |
| CN104130475A (en) | Rubber material for fire extinguisher sealing member | |
| CN107325512A (en) | A kind of anti-aging PC sunlight boards 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 | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |