CN108864391A - A kind of freezer Special anti-skid tire preparation method - Google Patents
A kind of freezer Special anti-skid tire preparation method Download PDFInfo
- Publication number
- CN108864391A CN108864391A CN201810806299.8A CN201810806299A CN108864391A CN 108864391 A CN108864391 A CN 108864391A CN 201810806299 A CN201810806299 A CN 201810806299A CN 108864391 A CN108864391 A CN 108864391A
- Authority
- CN
- China
- Prior art keywords
- tire
- mold
- steel mesh
- skid
- special anti
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C39/10—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/02—Solid tyres ; Moulds therefor
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4205—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups
- C08G18/4208—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups
- C08G18/4211—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups derived from aromatic dicarboxylic acids and dialcohols
- C08G18/4213—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups derived from aromatic dicarboxylic acids and dialcohols from terephthalic acid and dialcohols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6648—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6651—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of freezer Special anti-skid tire preparation methods to specifically include following operating procedure by polyurethane compositions pouring molding：S1：Prepare base polyurethane prepolymer for use as；S2：Prepare steel mesh；S3：Mold prepares；S4：It pours；S5：Finishing.The present invention is provided with steel mesh by pouring in polyurethane in tire, utilize the different compression ratio of storeroom, polyurethane pours material under gravity can compression rebound, and then deformation is small for steel mesh, therefore one end of iron wire will expose and be acted on ground on steel mesh, and then play the role of anti-skidding, compared with the anti-skid structure of conventional tire, with higher antiskid effect, steel mesh is poured in material using monolithic construction setting in polyurethane, and the weighing ability of tire can be improved.
Description
Technical field
The invention belongs to tyre technologies, and in particular to a kind of freezer Special anti-skid tire preparation method.
Background technique
With the continuous improvement that industrial vehicle and various other purpose-built vehicles require tyre performance, traditional inflation
Tire has been unable to meet requirement in certain occasions.With the development of polyurethane material, after polyurethane moulded, have excellent
Performance is gradually applied in terms of tire production.
Such as application No. is the patents of CN201710068550.0, and it discloses a kind of freezer antiskid polyurethane solid tyre
Preparation method, preparation method are：A certain amount of polyether Glycols are put into reaction kettle, after heating and vacuumizing, are added one
Base polyurethane prepolymer for use as is made in quantitative isophorone diisocyanate and catalyst after temperature reaction；Performed polymer is moved to poly-
It in urethane elastomer casting machine, heats and vacuumizes, 1,6 hexamethylene diamine chain extenders are added, after reacting a period of time, be added a certain amount of
Functional additive, be poured in tire-mold, kept the temperature after pouring, finished product is obtained after heat treatment.Foregoing invention improves
Content of soft segmer in polyurethane molecular chain, freezer at a temperature of be not easy to harden, improve antiskid effect, carcass is durable,
Early damage, long service life will not be generated；It is free from environmental pollution, it is suitble to use in the demanding occasion of environment tidiness, molding
Simple process, it is easy to accomplish industrialized production.
But there is following defect in above scheme in use：Whole pour is carried out using the polyurethane material of identical material
Type is built up, the promotion of tire weight bearing ability is unfavorable for, anti-skidding, increase is still carried out by the way of surface of tyre and ground friction
The loss of tyre surface, and anti-skidding low efficiency.
Summary of the invention
The purpose of the present invention is to provide a kind of freezer Special anti-skid tire preparation methods, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the present invention provides the following technical solutions：A kind of freezer Special anti-skid tire preparation method, by
Polyurethane compositions pouring molding specifically includes following operating procedure：
S1：Base polyurethane prepolymer for use as is prepared, a certain amount of polybutylene terephthalate is added in reaction kettle, electric heating cover is passed through
60-80 DEG C is heated to reaction kettle, and reaction kettle is vacuumized, backward reaction kettle in be added TDI, stabilizer, heating
To 80-90 DEG C, with 200-300r/min revolving speed stirring 15-20 minutes, base polyurethane prepolymer for use as is obtained, it is spare；
S2：Steel mesh is prepared, selecting the steel wire that diameter is 1-2mm and the reinforcing bar that diameter is 0.5-1cm is raw material, first by steel
Muscle bends to circular configuration, and uses electric welding, takes 3-5 circular configuration, is weldingly fixed on diameter so that 5-8cm is spaced and parallel
To be chopped on reinforcing bar, and barrel shaped structure is formed, steel wire is cut into the iron wire that length is 3-5cm later, and iron wire is welded admittedly
It is scheduled on the outer surface of barrel shaped structure, obtains steel net structure, it is spare；
S3：Mold prepares, and steel mesh is fixed in tire-mold, and keeps the side wall of iron wire and tire-mold to push against, and to group
Mold after conjunction is preheated, and preheating temperature is 50-70 DEG C；
S4：It pours, the base polyurethane prepolymer for use as in S1 after mixing, is passed through under the conditions of 40-60 DEG C with chain extender, defoaming agent
Elastomer casting machine is cast in tire-mold, after standing heat preservation 10-30 minutes, is taken out after natural cooling and is poured building body；
S5：Burr and extra castable are cut off using cutting machine, and carry out Shot Blasting, ball blast knot to building body is poured by finishing
Non-skid tyre is obtained after beam.
Preferably, stabilizer is benzene sulfonyl chloride, the throwing of the polybutylene terephthalate, MDI, stabilizer in step S1
Enter amount is 15 by weight：10-20：1-3.
Preferably, iron wire is distributed along the radial direction of barrel shaped structure in the step S2, and in the outer wall of barrel shaped structure
Vertically.
Preferably, the release agent with a thickness of 20-30um, the release agent are pre-coated in step S3 on the inner wall of tire-mold
For methyl-silicone oil.
Preferably, chain extender is 1-6 hexamethylene diamine in step S4, and the defoaming is silicone emulsion, high-carbon alcohol fatty acid ester is multiple
Any one agent in conjunction object, polyoxyethylene polyoxypropylene pentaerythrite ether, the base polyurethane prepolymer for use as and chain extender, defoaming agent
Input amount be by weight 40-50：6-8：1-5.
Technical effect and advantage of the invention：
The present invention is provided with steel mesh by pouring in polyurethane in tire, using the different compression ratio of storeroom, polyurethane is poured
Material under gravity can compression rebound, and then deformation is small for steel mesh, therefore one end of iron wire will expose on steel mesh
It is acted on ground, and then plays the role of anti-skidding, compared with the anti-skid structure of conventional tire, there is higher anti-skidding effect
Fruit, steel mesh are poured in material using monolithic construction setting in polyurethane, and the weighing ability of tire can be improved.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1
A kind of freezer Special anti-skid tire preparation method specifically includes following operating procedure by polyurethane compositions pouring molding：
S1：Base polyurethane prepolymer for use as is prepared, a certain amount of polybutylene terephthalate is added in reaction kettle, electric heating cover is passed through
60 DEG C are heated to reaction kettle, and reaction kettle is vacuumized, backward reaction kettle in TDI, stabilizer is added, stabilizer is
Benzene sulfonyl chloride, the polybutylene terephthalate, MDI, stabilizer input amount be by weight 15：10：1, it is warming up to 80
DEG C, with 200r/min revolving speed stirring 15 minutes, base polyurethane prepolymer for use as is obtained, it is spare；
S2：Steel mesh is prepared, selecting the steel wire that diameter is 1mm and the reinforcing bar that diameter is 0.5cm is raw material, first that reinforcing bar is curved
Song uses electric welding at circular configuration, takes 3 circular configurations, is the steel that is chopped with the spaced and parallel diameter that is weldingly fixed on of 5cm
On muscle, and barrel shaped structure is formed, steel wire is cut into length later and is the iron wire of 3cm, and iron wire is weldingly fixed on barrel-shaped knot
On the outer surface of structure, steel net structure is obtained, iron wire is distributed along the radial direction of barrel shaped structure, and is hung down in the outer wall of barrel shaped structure
Directly, spare；
S3：Mold prepares, and steel mesh is fixed in tire-mold, the demoulding with a thickness of 20um is pre-coated on the inner wall of tire-mold
Agent, the release agent is methyl-silicone oil, and the side wall of iron wire and tire-mold is kept to push against, and is carried out to the mold after combination pre-
Heat, preheating temperature are 50 DEG C；
S4：Pour, by S1 base polyurethane prepolymer for use as and chain extender, defoaming agent under the conditions of 40 DEG C after mixing, chain extender
For 1-6 hexamethylene diamine, the defoaming is silicone emulsion, the base polyurethane prepolymer for use as and chain extender, defoaming agent input amount by weight
Than being 40：6：1, it is cast in tire-mold by elastomer casting machine, stands heat preservation after ten minutes, taken out and pour after natural cooling
Building body；
S5：Burr and extra castable are cut off using cutting machine, and carry out Shot Blasting, ball blast knot to building body is poured by finishing
Non-skid tyre is obtained after beam.
Embodiment 2
A kind of freezer Special anti-skid tire preparation method specifically includes following operating procedure by polyurethane compositions pouring molding：
S1：Base polyurethane prepolymer for use as is prepared, a certain amount of polybutylene terephthalate is added in reaction kettle, electric heating cover is passed through
70 DEG C are heated to reaction kettle, and reaction kettle is vacuumized, backward reaction kettle in TDI, stabilizer is added, stabilizer is
Benzene sulfonyl chloride, the polybutylene terephthalate, MDI, stabilizer input amount be by weight 15：15：2, it is warming up to 85
DEG C, with 250r/min revolving speed stirring 18 minutes, base polyurethane prepolymer for use as is obtained, it is spare；
S2：Steel mesh is prepared, selecting the steel wire that diameter is 2mm and the reinforcing bar that diameter is 1cm is raw material, first by bar bending
At circular configuration, and electric welding is used, take 4 circular configurations, is the reinforcing bar that is chopped with the spaced and parallel diameter that is weldingly fixed on of 6cm
On, and barrel shaped structure is formed, steel wire is cut into length later and is the iron wire of 4cm, and iron wire is weldingly fixed on barrel shaped structure
Outer surface on, obtain steel net structure, iron wire is distributed along the radial direction of barrel shaped structure, and in the outer wall vertical of barrel shaped structure,
It is spare；
S3：Mold prepares, and steel mesh is fixed in tire-mold, the demoulding with a thickness of 25um is pre-coated on the inner wall of tire-mold
Agent, the release agent is methyl-silicone oil, and the side wall of iron wire and tire-mold is kept to push against, and is carried out to the mold after combination pre-
Heat, preheating temperature are 60 DEG C；
S4：Pour, by S1 base polyurethane prepolymer for use as and chain extender, defoaming agent under the conditions of 50 DEG C after mixing, chain extender
For 1-6 hexamethylene diamine, the defoaming is the fatty acid ester compounded object of higher alcohols, the base polyurethane prepolymer for use as and chain extender, defoaming agent
Input amount is 45 by weight：7：3, it is cast in tire-mold by elastomer casting machine, stands heat preservation after twenty minutes, it is natural
It is taken out after cooling and pours building body；
S5：Burr and extra castable are cut off using cutting machine, and carry out Shot Blasting, ball blast knot to building body is poured by finishing
Non-skid tyre is obtained after beam.
Embodiment 3
A kind of freezer Special anti-skid tire preparation method specifically includes following operating procedure by polyurethane compositions pouring molding：
S1：Base polyurethane prepolymer for use as is prepared, a certain amount of polybutylene terephthalate is added in reaction kettle, electric heating cover is passed through
80 DEG C are heated to reaction kettle, and reaction kettle is vacuumized, backward reaction kettle in TDI, stabilizer is added, stabilizer is
Benzene sulfonyl chloride, the polybutylene terephthalate, MDI, stabilizer input amount be by weight 15：20：3, it is warming up to 90
DEG C, with 300r/min revolving speed stirring 20 minutes, base polyurethane prepolymer for use as is obtained, it is spare；
S2：Steel mesh is prepared, selecting the steel wire that diameter is 2mm and the reinforcing bar that diameter is 1cm is raw material, first by bar bending
At circular configuration, and electric welding is used, take 5 circular configurations, is the reinforcing bar that is chopped with the spaced and parallel diameter that is weldingly fixed on of 8cm
On, and barrel shaped structure is formed, steel wire is cut into length later and is the iron wire of 5cm, and iron wire is weldingly fixed on barrel shaped structure
Outer surface on, obtain steel net structure, iron wire is distributed along the radial direction of barrel shaped structure, and in the outer wall vertical of barrel shaped structure,
It is spare；
S3：Mold prepares, and steel mesh is fixed in tire-mold, the demoulding with a thickness of 30um is pre-coated on the inner wall of tire-mold
Agent, the release agent is methyl-silicone oil, and the side wall of iron wire and tire-mold is kept to push against, and is carried out to the mold after combination pre-
Heat, preheating temperature are 70 DEG C；
S4：Pour, by S1 base polyurethane prepolymer for use as and chain extender, defoaming agent under the conditions of 60 DEG C after mixing, chain extender
For 1-6 hexamethylene diamine, the defoaming is polyoxyethylene polyoxypropylene pentaerythrite ether, and the base polyurethane prepolymer for use as and chain extender disappear
The input amount of infusion is 50 by weight：8：5, it is cast in tire-mold by elastomer casting machine, stands heat preservation 30 minutes
Afterwards, it is taken out after natural cooling and pours building body；
S5：Burr and extra castable are cut off using cutting machine, and carry out Shot Blasting, ball blast knot to building body is poured by finishing
Non-skid tyre is obtained after beam.
The present invention is provided with steel mesh by pouring in polyurethane in tire, utilize the different compression ratio of storeroom, polyurethane
Pour material under gravity can compression rebound, and then deformation is small for steel mesh, therefore one end of iron wire will on steel mesh
Expose and acted on ground, so play the role of it is anti-skidding, compared with the anti-skid structure of conventional tire, have it is higher anti-skidding
Effect, steel mesh are poured in material using monolithic construction setting in polyurethane, and the weighing ability of tire can be improved.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (5)
1. a kind of freezer Special anti-skid tire preparation method, by polyurethane compositions pouring molding, which is characterized in that specifically include as
Lower operating procedure：
S1：Base polyurethane prepolymer for use as is prepared, a certain amount of polybutylene terephthalate is added in reaction kettle, electric heating cover is passed through
60-80 DEG C is heated to reaction kettle, and reaction kettle is vacuumized, backward reaction kettle in be added TDI, stabilizer, heating
To 80-90 DEG C, with 200-300r/min revolving speed stirring 15-20 minutes, base polyurethane prepolymer for use as is obtained, it is spare；
S2：Steel mesh is prepared, selecting the steel wire that diameter is 1-2mm and the reinforcing bar that diameter is 0.5-1cm is raw material, first by steel
Muscle bends to circular configuration, and uses electric welding, takes 3-5 circular configuration, is weldingly fixed on diameter so that 5-8cm is spaced and parallel
To be chopped on reinforcing bar, and barrel shaped structure is formed, steel wire is cut into the iron wire that length is 3-5cm later, and iron wire is welded admittedly
It is scheduled on the outer surface of barrel shaped structure, obtains steel net structure, it is spare；
S3：Mold prepares, and steel mesh is fixed in tire-mold, and keeps the side wall of iron wire and tire-mold to push against, and to group
Mold after conjunction is preheated, and preheating temperature is 50-70 DEG C；
S4：It pours, the base polyurethane prepolymer for use as in S1 after mixing, is passed through under the conditions of 40-60 DEG C with chain extender, defoaming agent
Elastomer casting machine is cast in tire-mold, after standing heat preservation 10-30 minutes, is taken out after natural cooling and is poured building body；
S5：Burr and extra castable are cut off using cutting machine, and carry out Shot Blasting, ball blast knot to building body is poured by finishing
Non-skid tyre is obtained after beam.
2. a kind of freezer Special anti-skid tire preparation method according to claim 1, it is characterised in that：Stablize in step S1
Agent is benzene sulfonyl chloride, the polybutylene terephthalate, MDI, stabilizer input amount be by weight 15：10-20：1-3.
3. a kind of freezer Special anti-skid tire preparation method according to claim 1, it is characterised in that：In the step S2
Iron wire is distributed along the radial direction of barrel shaped structure, and in the outer wall vertical of barrel shaped structure.
4. a kind of freezer Special anti-skid tire preparation method according to claim 1, it is characterised in that：Tire in step S3
The release agent with a thickness of 20-30um is pre-coated on the inner wall of mold, the release agent is methyl-silicone oil.
5. a kind of freezer Special anti-skid tire preparation method according to claim 1, it is characterised in that：Chain extension in step S4
Agent is 1-6 hexamethylene diamine, and the defoaming is silicone emulsion, the fatty acid ester compounded object of higher alcohols, polyoxyethylene polyoxypropylene Ji Wusi
The input amount of any one agent in alcohol ether, the base polyurethane prepolymer for use as and chain extender, defoaming agent is 40-50 by weight：6-
8：1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810806299.8A CN108864391A (en) | 2018-07-20 | 2018-07-20 | A kind of freezer Special anti-skid tire preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810806299.8A CN108864391A (en) | 2018-07-20 | 2018-07-20 | A kind of freezer Special anti-skid tire preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108864391A true CN108864391A (en) | 2018-11-23 |
Family
ID=64303966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810806299.8A Pending CN108864391A (en) | 2018-07-20 | 2018-07-20 | A kind of freezer Special anti-skid tire preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108864391A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53140351A (en) * | 1977-05-13 | 1978-12-07 | Dainippon Ink & Chem Inc | Thermoplastic polyurethanne resin composition with improved performance |
| CN2136756Y (en) * | 1992-09-01 | 1993-06-23 | 杨明春 | Anti-skid tyre |
| CN2227582Y (en) * | 1994-09-05 | 1996-05-22 | 杨明春 | Anti-skid tyre |
| CN103642009A (en) * | 2013-12-09 | 2014-03-19 | 山东一诺威聚氨酯股份有限公司 | Polyester polyol as well as preparation method and application thereof |
| CN105482058A (en) * | 2015-12-31 | 2016-04-13 | 山东一诺威聚氨酯股份有限公司 | Biodegradable polyurethane elastomer and preparation method thereof |
| WO2017144492A1 (en) * | 2016-02-22 | 2017-08-31 | Basf Se | Method for producing a diblock copolymer |
-
2018
- 2018-07-20 CN CN201810806299.8A patent/CN108864391A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53140351A (en) * | 1977-05-13 | 1978-12-07 | Dainippon Ink & Chem Inc | Thermoplastic polyurethanne resin composition with improved performance |
| CN2136756Y (en) * | 1992-09-01 | 1993-06-23 | 杨明春 | Anti-skid tyre |
| CN2227582Y (en) * | 1994-09-05 | 1996-05-22 | 杨明春 | Anti-skid tyre |
| CN103642009A (en) * | 2013-12-09 | 2014-03-19 | 山东一诺威聚氨酯股份有限公司 | Polyester polyol as well as preparation method and application thereof |
| CN105482058A (en) * | 2015-12-31 | 2016-04-13 | 山东一诺威聚氨酯股份有限公司 | Biodegradable polyurethane elastomer and preparation method thereof |
| WO2017144492A1 (en) * | 2016-02-22 | 2017-08-31 | Basf Se | Method for producing a diblock copolymer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106800637A (en) | A kind of abrasion resistant polyurethane solid tyre | |
| CN105199071B (en) | A kind of polyurethane combined material, its prepare the method for compound polyurethane material and the purposes of obtained product | |
| CN101486834B (en) | High performance nano polyurethane micropore elastomer composite material and preparation thereof | |
| KR101788339B1 (en) | Accelerated cure of isocyanate terminated prepolymers | |
| CN103101399A (en) | Polyurethane airless tire, and manufacturing method and application thereof | |
| HUE026464T2 (en) | Novel damping element in shoe soles | |
| CN102350923A (en) | Open-structure tire free of tire burst | |
| CN102140161A (en) | Polyurethane elastomer composition for filling tires and using method thereof | |
| CN102816292A (en) | Polyurethane foam special for automobile seat and preparation method | |
| CN101831169B (en) | Toughened MC nylon blending material and preparation method thereof | |
| CN103289381B (en) | In-situ reinforced and toughened MC nylon 6 composite material and preparation method thereof | |
| CN105128965A (en) | Casting polyurethane robot track with framework made of aramid fiber and preparation method thereof | |
| CN108909373A (en) | A kind of abrasion resistant polyurethane tire and preparation method thereof | |
| CN202319746U (en) | Non-tire-explosion tire with open type structure | |
| CN108864391A (en) | A kind of freezer Special anti-skid tire preparation method | |
| CN103502298A (en) | Polyisocyanate polyaddition products, a process for preparation thereof and use thereof | |
| CN106832198A (en) | A kind of preparation method of freezer antiskid polyurethane solid tyre | |
| CN105073834A (en) | Tire | |
| CN108164981A (en) | Polyurethane sieve plate and preparation method thereof | |
| CN113680659B (en) | Production process method of wear-resistant high-strength polyurethane cast sieve plate | |
| CN1174854C (en) | Green tyre with composite rubber-polyurethane elastomer structure and its production process | |
| CN101319040B (en) | Process for preparing high-performance urethane elastomer | |
| WO2016052563A1 (en) | Tire | |
| CN109053996A (en) | A kind of polyurethane anti-skid driving wheel preparation method | |
| CN202439505U (en) | Open-structure cycle tire free of tire burst |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181123 |
|
| RJ01 | Rejection of invention patent application after publication |