CN1818001A - Modified TPU abrasive sealing materials, production and use thereof - Google Patents
Modified TPU abrasive sealing materials, production and use thereof Download PDFInfo
- Publication number
- CN1818001A CN1818001A CN 200610031335 CN200610031335A CN1818001A CN 1818001 A CN1818001 A CN 1818001A CN 200610031335 CN200610031335 CN 200610031335 CN 200610031335 A CN200610031335 A CN 200610031335A CN 1818001 A CN1818001 A CN 1818001A
- Authority
- CN
- China
- Prior art keywords
- tpu
- abs
- pellet
- parts
- ultra
- 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.)
- Granted
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Sealing Material Composition (AREA)
Abstract
A modified TPU abrasive sealing material, its production and use are disclosed. The process is carried out by adding TPU granular into ABS granular material, co-mixing, granulating, drying, molding and choosing. It consists of TPU granular material 100 proportion, ABS granular material 20-35 proportion and ultra-fine powder 0-15 proportion.
Description
Technical field
The modified TPU abrasive sealing materials that the present invention relates to is the macromolecule polymer material that the blend by several polymkeric substance obtains.The invention still further relates to the preparation method and the purposes of above-mentioned materials.
Background technology
Industrial pump is the significant transportation instrument that many industrial and minerals place is used for delivery medium, and the motor seal for the medium that makes conveying and industrial pump in industrial pump is isolated, and all needs pump shaft is sealed, and damages motor in the motor in case delivery medium enters, and causes accident.Usually the sealing of pump shaft all adopts tetrafluoroethylene (PTEE) or rubber as sealing-ring, but adopt existing sealing material not meet the demands for some medium (as seawater), for contact medium is water pump (as: 150LCZ-50 type) axle sleeve of seawater, general PTEE or the elastomeric material of adopting of past.Though PTEE material coefficient of friction is low, because elasticity and poor rigidity, under the working condition of higher " PV " value, very easily produces creep and damage.If with General Purpose Rubber (as butylbenzene, butyronitrile, neoprene) though good springiness because corrosion resistance nature and ageing-resistant performance are all undesirable, if adopt higher silicon, the fluorine specialty elastomer of price, but because mechanical property is relatively poor can't use.Therefore, the axle sleeve that adopts above two kinds of materials to make can't satisfy the service requirements of working condition on such water pump.
Therefore, necessary sleeve sealing to existing seawater water pump is improved.
Summary of the invention
The objective of the invention is to: at the deficiency of the sleeve sealing that has the seawater water pump now, provide a kind of sleeve sealing material of novel seawater water pump, this material can satisfy the requirement of seawater water pump sleeve sealing.
Another object of the present invention is to provide a kind of preparation method of seawater water pump axle sleeve sealing material.
Another object of the present invention is to provide the purposes of above-mentioned materials.
The technical solution used in the present invention is: adopt the TPU particulate material to mix with ABS (acrylonitrile/butadiene/styrene multipolymer) particulate material, utilize that TPU material wear-resistant performance is good, elasticity and flexibility be good, and the characteristics of ABS material hardness height, good rigidly, with TPU pellet and ABS pellet is major ingredient, with the ultra-fine micropowder is auxiliary material, make the sealing material that is fit to the use of seawater water pump axle sleeve through blend granulation, drying, mold pressing, the composition and the weight part prescription of concrete material are:
100 parts of TPU pellets
ABS pellet 20-35 part
Ultra-fine micropowder 0-15 part
The manufacture craft of material of the present invention is:
A. at first TPU pellet and ABS pellet are prepared burden by institute's certainty ratio; In order to reduce the frictional coefficient of product, can also in batching, add 0-15 part ultra-fine (UF) micro mist;
B. TPU pellet and ABS pellet are carried out the blend granulation; The blending technology condition is:
Raw material drying 100-110 ℃;
℃ III:170-175 ℃ of mouth mould of blending temperature I:160-165 ℃ II:170-175: 170 ℃;
Screw speed 8-20 rev/min;
3, drying treatment: the pellet that blend is come out is sent into loft drier, more than 3 hours, promptly obtain required material with 100-110 ℃ of drying.
The resilient material of making by above-mentioned technology and prescription can reach as following table 1 listed performance index:
Table 1
| Project | Unit | Performance | Project | Unit | Performance |
| Proportion | G/cm 3 | 1.14-1.18 | Hardness | Shao Shi | 95±2 |
| Tensile strength | Mpa | 35.0-40.0 | Elongation | ％ | 390-450 |
| Rebound degree | ％ | 18-27 | Voltage breakdown | KV/mm | 15-22 |
| Akron abrasion | cm 3/ 1.61 kilometers | 0.02-0.03 | Second-order transition temperature | ℃ | -70 |
| Volume resistance | Ω-cm | 10 9-10 11 |
Can make the sealing member of different shape with above-mentioned materials by compression molding, especially
Make sea-water pump axle sleeve sealing member, concrete processing step is:
1, cleaning mold has dried by the fire releasing agent
2, raw material drying 100-110 ℃ more than 3 hours
3, feeding quantity: estimate according to product weight.
4, pressing process, processing requirement:
(1) the mould compacting of on chilling press, raw material being tried one's best;
(2) mould is heated to 180-195 ℃ on thermocompressor, and exhaust is no less than 3 times (heating is main by electric heating coil, and upper and lower die plate temperature is controlled at about 180-190 ℃, in case aberration in heat-processed; Hot pressing pressure is as the criterion to help plasticizing and exhaust);
(3) holding temperature is 185-190 ℃ (or 180-185 ℃), and the time is that insulation in 60-70 minute also need be arranged gas several times early stage;
(4) mould moves to chilling press and be forced into the 2-3Mpa constant voltage rapidly under the situation of flash not;
(5) constant voltage to mold cools down to 60 ℃ with bottom knockout.
The existing high rigidity of material of the present invention, again this performance of snappiness to be arranged be that common plastics or rubber are unexistent.This product has very excellent abrasive energy simultaneously, and its wear resisting property is than rubber more than high ten times, and works better under the severe environment that a small amount of hard impurity exists can and be arranged in the dry friction of short-term.Be used for multiple " operating mode " conditions application such as manufacturing machine driving member, chemical attachment, skid defied tire, sole, film article, leatheroid and electric wire, cable so be fit to very much be applied in industries such as vessel, automobile making, chemical industry.Especially be suitable as the sleeve sealing material of seawater water pump.Have following characteristics:
1, excellent abrasive and low temperature flexibility.
2, snappiness and compression set are little.
3, higher draw tensile strength, elongation at break and tear strength are the tough materials of a class.
4, anti-solvent, oil resistant, hydrolysis, antifungal, chemical stability and environmental resistance are good.
5, can obtain different hardness and elastic goods by formula adjustment.
Embodiment
The invention will be further described below in conjunction with embodiment, but protection scope of the present invention is not limited to the described scope of embodiment.
Embodiment one
Adopt the TPU particulate material to mix with ABS (acrylonitrile/butadiene/styrene multipolymer) particulate material, preparation sea-water pump axle sleeve sealing member, with TPU pellet and ABS pellet is major ingredient, with the ultra-fine micropowder is auxiliary material, make the sealing material that is fit to the use of seawater water pump axle sleeve through blend granulation, drying, mold pressing, the composition and the weight part prescription of concrete material are:
100 parts of TPU pellets
20 parts of ABS pellets
15 parts of ultra-fine micropowders
Above-mentioned two kinds of materials are prepared by following manufacture craft:
1, at first TPU pellet and ABS pellet are prepared burden by institute's certainty ratio;
2, in batching, add 15 parts of ultra-fine (UF) micro mists;
3, TPU pellet and ABS pellet are carried out the blend granulation; The blending technology condition is:
100 ℃ of raw material dryings;
℃ III:170-175 ℃ of mouth mould of blending temperature I:160-165 ℃ II:170-175: 170 ℃;
Adopt the blend of dual-screw-stem machine forcing machine, 16 rev/mins of screw speeds; Make required raw material;
4, compression molding is carried out in the blend granulation; Concrete processing step is:
1) cleaning mold has dried by the fire releasing agent
2) raw material drying 100-110 ℃ more than 3 hours
3) feeding quantity: (suppress to such an extent that product size is: 82 * 59 * 100mm) weighings, 300 grams
*
4) pressing process
(1) the mould compacting of on chilling press, raw material being tried one's best;
(2) mould is heated to 180 ℃ on thermocompressor, and exhaust is no less than 3 times (heating is main by electric heating coil, and upper and lower die plate temperature is controlled at about 180 ℃, in case aberration in heat-processed; Hot pressing pressure is as the criterion to help plasticizing and exhaust);
(3) holding temperature is 180-185 ℃, and the time is that insulation in 60-70 minute also need be arranged gas several times early stage;
(4) mould moves to chilling press and be forced into the 2-3Mpa constant voltage rapidly under the situation of flash not;
(5) constant voltage ℃ with bottom knockout, promptly makes required sea-water pump axle sleeve sealing member to mold cools down to 60.
Make to such an extent that sea-water pump axle sleeve sealing member has very high wear resisting property in this way, and higher draw tensile strength, elongation at break and tear strength are arranged, anti-solvent, oil resistant, hydrolysis, antifungal, chemical stability and environmental resistance are moderate.
Embodiment two
Adopt the TPU particulate material to mix with ABS (acrylonitrile/butadiene/styrene multipolymer) particulate material, preparation sea-water pump axle sleeve sealing member, with TPU pellet and ABS pellet is major ingredient, with the ultra-fine micropowder is auxiliary material, make the sealing material that is fit to the use of seawater water pump axle sleeve through blend granulation, drying, mold pressing, the composition and the weight part prescription of concrete material are:
100 parts of TPU pellets
35 parts of ABS pellets
7 parts of ultra-fine micropowders
Above-mentioned two kinds of materials are prepared by following manufacture craft:
1, earlier TPU pellet and ABS pellet are prepared burden by institute's certainty ratio;
2, in the batching of TPU pellet and ABS pellet, add 7 parts of ultra-fine (UF) micro mists;
3, TPU pellet and ABS pellet are carried out the blend granulation; The blending technology condition is:
(1) raw material drying is 100 ℃;
(2) blending temperature I:160-165 ℃ II:170-175 ℃ III:170-175 ℃ of mouth mould: 170 ℃;
(3) adopt the blend of single-screw machine forcing machine, 16 rev/mins of screw speeds; Make required raw material;
The technology that compression molding is carried out in the blend granulation is the same with embodiment one.Make in this way sea-water pump axle sleeve sealing member to have very high a wear resisting property moderate, but higher draw tensile strength, elongation at break and tear strength are arranged, anti-solvent, oil resistant, hydrolysis, antifungal, chemical stability and environmental resistance are moderate.
Embodiment three
Adopt the TPU particulate material to mix with ABS (acrylonitrile/butadiene/styrene multipolymer) particulate material, preparation sea-water pump axle sleeve sealing member, with TPU pellet and ABS pellet is major ingredient, with the ultra-fine micropowder is auxiliary material, make the sealing material that is fit to the use of seawater water pump axle sleeve through blend granulation, drying, mold pressing, the composition and the weight part prescription of concrete material are:
100 parts of TPU pellets
25 parts of ABS pellets
9 parts of ultra-fine micropowders
Above-mentioned two kinds of materials are prepared by following manufacture craft:
1, at first TPU pellet and ABS pellet are prepared burden by institute's certainty ratio;
2, in the batching of TPU pellet and ABS pellet, add 9 parts of ultra-fine (UF) micro mists;
3, TPU pellet and ABS pellet are carried out the blend granulation; The blending technology condition is:
(1) raw material drying is 100 ℃;
(2) blending temperature I:160-165 ℃ II:170-175 ℃ III:170-175 ℃ of mouth mould: 170 ℃;
(3) adopt the blend of single-screw machine forcing machine, 16 rev/mins of screw speeds; Make required raw material;
The technology that compression molding is carried out in the blend granulation is the same with embodiment one.Make to such an extent that sea-water pump axle sleeve sealing member has very high wear resisting property, tensile strength, elongation at break, tear strength in this way, and anti-solvent, oil resistant, hydrolysis, antifungal, chemical stability and environmental resistance are all moderate.
Embodiment four
Adopt the TPU particulate material to mix with ABS (acrylonitrile/butadiene/styrene multipolymer) particulate material, preparation sea-water pump axle sleeve sealing member, material weight part proportioning is:
100 parts of TPU pellets
30 parts of ABS pellets
0 part of ultra-fine micropowder
Above-mentioned two kinds of materials are prepared by following manufacture craft:
TPU pellet+ABS pellet → blend granulation → drying → mold pressing
1, at first TPU pellet and ABS pellet are prepared burden by institute's certainty ratio;
2, directly TPU pellet and ABS pellet are carried out the blend granulation; The blending technology condition is:
(1) raw material drying is 100 ℃;
(2) blending temperature I:160-165 ℃ II:170-175 ℃ III:170-175 ℃ of mouth mould: 170 ℃;
(3) adopt the blend of single-screw machine forcing machine, 16 rev/mins of screw speeds; Make required raw material; The technology that compression molding is carried out in the blend granulation is the same with embodiment one.Make in this way sea-water pump axle sleeve sealing member to have very high a wear resisting property moderate, but higher draw tensile strength, elongation at break and tear strength are arranged, anti-solvent, oil resistant, hydrolysis, antifungal, chemical stability and environmental resistance are also very good.
By above-mentioned technology and prescription sea-water pump axle sleeve performance index that sealing member reaches such as 2 formulas of following table of making:
Table 2
| Project | Unit | Performance | Embodiment one | Embodiment two | Embodiment three | Embodiment four |
| Proportion | G/cm 3 | 1.14-1.18 | 1.18 | 1.14 | 1.15 | 1.16 |
| Tensile strength | Mpa | 35.0-41.0 | 35.0 | 41.0 | 38.0 | 40.5 |
| Elongation | ％ | 390-450 | 450 | 390 | 420 | 400 |
| Akron abrasion | cm 3/ 1.61 kilometers | 0.02-0.03 | 0.021 | 0.030 | 0.025 | 0.027 |
| Rebound degree | ％ | 18-27 | 27 | 18 | 23 | 25 |
| Hardness | Shao Shi | 93-97 | 93 | 97 | 95 | 96 |
Claims (6)
1, modified TPU abrasive sealing materials, adopt the TPU particulate material to mix with the ABS particulate material, utilize that TPU material wear-resistant performance is good, elasticity and flexibility be good, and the characteristics of ABS material hardness height, good rigidly, it is characterized in that: with TPU pellet and ABS pellet is major ingredient, with the ultra-fine micropowder is auxiliary material, makes through blend granulation, drying, mold pressing to be fit to the sealing material that seawater water pump axle sleeve uses, and the composition and the weight part prescription of concrete material are:
100 parts of TPU pellets
ABS pellet 20-35 part
Ultra-fine micropowder 0-15 part.
2, elastomer material as claimed in claim 1 is characterized in that: the composition and the weight part prescription of concrete material are:
100 parts of TPU pellets
35 parts of ABS pellets
7 parts of ultra-fine micropowders.
3, elastomer material as claimed in claim 1 is characterized in that: the composition and the weight part prescription of concrete material are:
100 parts of TPU pellets
20 parts of ABS pellets
15 parts of ultra-fine micropowders.
4, the preparation method of elastomer material as claimed in claim 1 is characterized in that: the manufacture craft of material of the present invention is:
A. at first TPU pellet and ABS pellet are prepared burden by institute's certainty ratio; In order to reduce the frictional coefficient of product, can also in batching, add 7-15 part ultra-fine micropowder;
B. TPU pellet and ABS pellet are carried out the blend granulation; The blending technology condition is:
Raw material drying 100-110 ℃, dry more than 3 hours
Blending temperature I:160-165 ℃, II:170-175 ℃, III:170-175 ℃, mouthful mould: 170 ℃; Screw speed 8-20 rev/min.
5, the purposes of material according to claim 1, it is characterized in that: described material is used to prepare sea-water pump axle sleeve sealing member.
6, as the purposes of material as described in the claim 5, it is characterized in that: the proportion of described material is 1.14-1.18G/cm
3, tensile strength is 35.0-41.0Mpa, and elongation is 390-450%, and Akron abrasion is 0.02-0.03cm
3/ 1.61 kilometers, rebound degree is 18-27%, and hardness is 93-97 Shao Shi.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100313355A CN100392038C (en) | 2006-03-13 | 2006-03-13 | Modified TPU abrasive sealing materials, production and use thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100313355A CN100392038C (en) | 2006-03-13 | 2006-03-13 | Modified TPU abrasive sealing materials, production and use thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1818001A true CN1818001A (en) | 2006-08-16 |
| CN100392038C CN100392038C (en) | 2008-06-04 |
Family
ID=36918208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100313355A Expired - Fee Related CN100392038C (en) | 2006-03-13 | 2006-03-13 | Modified TPU abrasive sealing materials, production and use thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100392038C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107892809A (en) * | 2017-12-07 | 2018-04-10 | 福建新力元反光材料有限公司 | A kind of lines of resistance to scratch-type is carved characters film and preparation method thereof |
| CN109679324A (en) * | 2018-12-26 | 2019-04-26 | 山东一诺威聚氨酯股份有限公司 | Low temperature resistant wear-resisting TPU composite material and preparation method for nailed climbing boots |
| CN112917964A (en) * | 2021-01-22 | 2021-06-08 | 泉州玉斌鞋业有限公司 | Improved PU sole manufacturing process |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AUPP750598A0 (en) * | 1998-12-04 | 1999-01-07 | Cromiac International Pte Ltd | Thermoplastic rubber composition |
| DE19920367A1 (en) * | 1999-05-04 | 2000-11-16 | Bayer Ag | Aliphatic, sinterable thermoplastic polyurethane molding compounds with improved properties |
| US6281298B1 (en) * | 1999-08-20 | 2001-08-28 | H. B. Fuller Licensing & Financing Inc. | Water-based pressure sensitive adhesives having enhanced characteristics |
| CN1197914C (en) * | 2003-04-03 | 2005-04-20 | 阎俊龙 | Thermoplastic elastomer and its production process |
-
2006
- 2006-03-13 CN CNB2006100313355A patent/CN100392038C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107892809A (en) * | 2017-12-07 | 2018-04-10 | 福建新力元反光材料有限公司 | A kind of lines of resistance to scratch-type is carved characters film and preparation method thereof |
| CN107892809B (en) * | 2017-12-07 | 2020-09-08 | 福建新力元反光材料有限公司 | Scratch-resistant grain lettering film and manufacturing method thereof |
| CN109679324A (en) * | 2018-12-26 | 2019-04-26 | 山东一诺威聚氨酯股份有限公司 | Low temperature resistant wear-resisting TPU composite material and preparation method for nailed climbing boots |
| CN112917964A (en) * | 2021-01-22 | 2021-06-08 | 泉州玉斌鞋业有限公司 | Improved PU sole manufacturing process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100392038C (en) | 2008-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1303147C (en) | Mother stock of polyvinyl carbon nanotube anti-static composite material and anti-static composite material based on mother stock | |
| CN1168592C (en) | Common extrusion tubing including rubber/thermoplastic material mixture | |
| WO2019188709A1 (en) | Method for producing acrylic rubber, method for producing acrylic rubber composition, and twin-screw extrusion dryer for acrylic rubbers | |
| EP2947116A3 (en) | Chemically functionalized renewed rubber composition | |
| CN1653096A (en) | Diene rubber, process for production thereof, rubber compositions, process for producing the same, and crosslinked rubbers | |
| CN1974663A (en) | Crosslinkable compositions, thermoplastic elastomers obtained therefrom and their use | |
| CN103298877A (en) | Fluorine rubber composition and bladder for tire production | |
| CN101052678A (en) | Tire and crosslinkable elastomeric composition | |
| CN101168615A (en) | Composition of nitrile rubber and polyformaldehyde and preparation method thereof | |
| CN103298878A (en) | Fluoro-rubber composition and bladder for tire fabrication | |
| CN1212976A (en) | Thermoplastic elastomer and process for producing it | |
| CN86104817A (en) | The fluoro elastomer cosulfurizing composition that chemical stability is good | |
| CN1077123C (en) | Material containing sulphurized elastic body combined with thermal plastic elastic body | |
| CN1803908A (en) | Polypropylene plastic and preparation process thereof | |
| WO2015002176A1 (en) | Resin composition and sealing member | |
| CN1923883A (en) | Polypropylene cable sheath material for submersible pump and producing technology thereof | |
| CN1818001A (en) | Modified TPU abrasive sealing materials, production and use thereof | |
| CN1884349A (en) | Flame-retardant thermoplastic sulfurized rubber preparation method | |
| CN1687218A (en) | Method for preparing tribasic ethylene propylene rubber/polypropylene thermoplastic elastomer | |
| CN108659545A (en) | A kind of silicon rubber composite material and preparation method thereof | |
| CN1006387B (en) | Covulcanizable compositions of fluoroelastomers having improved chemical stability | |
| CN1803928A (en) | Plastic alloy composite material | |
| CN1569961A (en) | Bra cushion material and its making method | |
| JP2018080754A (en) | Gasket around engine and manufacturing method thereof | |
| CN1152093C (en) | Process for modifying carbon black with ethyl monomer |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080604 Termination date: 20190313 |