CN112606628A - Double-color injection-molded TPE (thermoplastic elastomer) plastic elastomer inflation-free tire and manufacturing process thereof - Google Patents
Double-color injection-molded TPE (thermoplastic elastomer) plastic elastomer inflation-free tire and manufacturing process thereof Download PDFInfo
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- CN112606628A CN112606628A CN202110078535.0A CN202110078535A CN112606628A CN 112606628 A CN112606628 A CN 112606628A CN 202110078535 A CN202110078535 A CN 202110078535A CN 112606628 A CN112606628 A CN 112606628A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C7/00—Non-inflatable or solid tyres
- B60C7/10—Non-inflatable or solid tyres characterised by means for increasing resiliency
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
- C08L53/025—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes modified
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
- C08L91/06—Waxes
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- 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
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- Oil, Petroleum & Natural Gas (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a two-color injection-molded TPE (thermoplastic elastomer) plastic elastomer inflation-free tire and a manufacturing process, and relates to the technical field of tires, wherein the tire comprises an inner supporting frame, an outer ring and an inner ring, the outer ring is fixedly connected to the outermost side of the inner supporting frame, the inner ring is fixedly connected to the innermost side of the inner supporting frame, the inner supporting frame comprises a plurality of blocks which are distributed at equal intervals, the outer ring and the inner ring are made of TPE-A materials, the inner supporting frame is made of TPE-B materials, and only the softer tread of the outer ring is in contact with the ground under the condition of empty vehicle or light load of the tire, so; meanwhile, when the tire is under heavy load, the outer ring and the tread of the outer ring connecting body are simultaneously contacted with the ground, so that the comfort level of the tire is effectively ensured, and the supporting force of the tire is greatly improved; the TPE-A and TPE-B materials are environment-friendly materials, have high compatibility, can be recycled at the same time, and do not pollute the environment.
Description
Technical Field
The invention relates to the technical field of tires, in particular to a two-color injection-molded TPE plastic elastomer inflation-free tire and a manufacturing process thereof.
Background
At present, most of tires in use are pneumatic tires, and the pneumatic tires bear the load of a vehicle by using high pressure of compressed air in the tires, so that the tires have good riding comfort. However, when the pneumatic tire is punctured, air leakage is easy to occur, the bearing capacity of the tire is weakened, severe abrasion or irregular abrasion is caused to the tire surface of the tire, and when the inflation pressure in the tire is too high, tire burst also occurs, so that the driving safety of a vehicle is affected. Therefore, developing a non-solid, non-pneumatic tire with comfort, safety, and durability has become a primary task in the automotive and tire industries.
In order to solve the above problems, chinese patent discloses a non-pneumatic tire (publication No. CN 107053954B), which includes a rubber tread, a base rubber, and an elastic support body, wherein the elastic support body sequentially includes an outer bearing ring, a middle support body, and an inner bearing ring from outside to inside along a radial direction of the tire, and the middle support body includes a first support body and a first axial through hole sequentially disposed at intervals along a circumferential direction; the inside first ply that is provided with of outer pressure-bearing ring circumference ring body, inside second ply that is provided with of interior pressure-bearing ring circumference ring body. The inflation-free tire has higher radial bearing rigidity and toughness of the tire, and can uniformly and discretely transmit the tire grounding pressure to the middle support body, so that the shape of a grounding mark is excellent, and the tire has good grounding performance.
However, although the technical effect of the above patent can solve the problem of the non-inflation of the conventional tire, the comfort level is poor, and the supporting force and the fatigue resistance are not satisfactory, so that the technical personnel in the field provide a two-color injection-molded TPE plastic elastomer non-inflation tire and a manufacturing process thereof.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a two-color injection-molded TPE plastic elastomer non-pneumatic tire and a manufacturing process thereof, and solves the problems that the conventional non-pneumatic tire is poor in comfort level and experience feeling, and poor in supporting force and fatigue resistance.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the invention provides a two-color injection-molded TPE plastic elastomer inflation-free tire which comprises an inner supporting frame, an outer ring and an inner ring, wherein the outer ring is fixedly connected to the outermost side of the inner supporting frame, the inner ring is fixedly connected to the innermost side of the inner supporting frame, and the inner supporting frame, the outer ring and the inner ring are of an integrated structure;
the supporting inner frame comprises a plurality of supporting bodies which are distributed at equal intervals, each supporting body is in a corrugated shape, two outer ring connecting bodies which are symmetrically connected to the tops of the supporting bodies, and inner ring connecting bodies which are fixedly connected with the bottom ends of the supporting bodies;
the outer ring is positioned between the two outer ring connecting bodies and fixedly connected with the two outer ring connecting bodies, and the inner ring is positioned inside the inner ring connecting body and fixedly connected with the inner ring connecting body;
the outer ring and the inner ring are both made of TPE-A materials, the supporting inner frame is made of TPE-B materials, the hardness of the TPE-A materials is 50-75A, and the hardness of the TPE-B materials is 90-98A.
Further, the TPE-A is prepared from the following components in parts by mass: 40-60% of hydrogenated styrene-butadiene block copolymer, 25-45% of paraffin grade white oil, 10-25% of polypropylene, 3-5% of wear-resisting agent, 5-20% of heat-resisting agent, 3-10% of graft compatilizer, 10-30% of nano rubber powder and 1-5% of antioxidant or ultraviolet resistant agent;
the TPE-B is prepared from the following components in parts by mass: 10-30% of hydrogenated styrene-butadiene block copolymer, 5-30% of paraffin grade white oil, 40-70% of polypropylene, 10-30% of nano rubber powder, 5-25% of polyolefin thermoplastic elastomer, 5-20% of heat-resistant agent PPO, 3-10% of wear-resistant agent and 1-5% of antioxidant or ultraviolet-resistant agent.
Further, the TPE-A is prepared from the following components in parts by mass: 40% of hydrogenated styrene-butadiene block copolymer, 25% of paraffin-grade white oil, 10% of polypropylene, 3% of wear-resisting agent, 5% of heat-resisting agent, 3% of grafting compatilizer, 13% of nano rubber powder and 1% of antioxidant or ultraviolet resistant agent;
the TPE-B is prepared from the following components in parts by mass: 15% of hydrogenated styrene-butadiene block copolymer, 10% of paraffin grade white oil, 51% of polypropylene, 10% of nano rubber powder, 5% of polyolefin thermoplastic elastomer, 5% of heat-resistant agent PPO, 3% of wear-resistant agent and 1% of antioxidant or ultraviolet resistant agent.
Further, the TPE-A is prepared from the following components in parts by mass: 42% of hydrogenated styrene-butadiene block copolymer, 26% of paraffin-grade white oil, 10% of polypropylene, 3% of wear-resisting agent, 5% of heat-resisting agent, 3% of grafting compatilizer, 10% of nano rubber powder and 1% of antioxidant or ultraviolet resistant agent;
the TPE-B is prepared from the following components in parts by mass: 14% of hydrogenated styrene-butadiene block copolymer, 20% of paraffin grade white oil, 40% of polypropylene, 10% of nano rubber powder, 5% of polyolefin thermoplastic elastomer, 5% of heat-resistant agent PPO, 4% of wear-resistant agent and 2% of antioxidant or ultraviolet resistant agent.
Further, the TPE-A is prepared from the following components in parts by mass: 40% of hydrogenated styrene-butadiene block copolymer, 28% of paraffin-grade white oil, 10% of polypropylene, 3% of wear-resisting agent, 5% of heat-resisting agent, 3% of grafting compatilizer, 10% of nano rubber powder and 1% of antioxidant or ultraviolet resistant agent;
the TPE-B is prepared from the following components in parts by mass: 30% of hydrogenated styrene-butadiene block copolymer, 5% of paraffin grade white oil, 41% of polypropylene, 10% of nano rubber powder, 5% of polyolefin thermoplastic elastomer, 5% of heat-resistant agent PPO, 3% of wear-resistant agent and 1% of antioxidant or ultraviolet resistant agent.
In a second aspect, the invention also provides a manufacturing process of the two-color injection-molded TPE plastic elastomer non-pneumatic tire, which comprises the following steps:
s1, weighing each component of the TPE-A, TPE-B respectively according to the mixing ratio by using electronic weighing equipment;
s2, mixing the weighed raw materials of the TPE-A, TPE-B by using mixing equipment, and storing the raw materials in corresponding containers respectively;
s3, adding the mixed raw materials of the TPE-A into an injection molding machine, and obtaining a supporting inner frame by using a matched forming mold;
s4, adding the mixed raw materials of the TPE-B into an injection molding machine, obtaining an outer ring and an inner ring by using a matched molding die, and simultaneously injection molding the outer ring and the inner ring on the supporting inner frame;
and S5, cooling to obtain the double-color TEP tire.
Advantageous effects
The invention provides a two-color injection-molded TPE plastic elastomer inflation-free tire and a manufacturing process thereof. Compared with the prior art, the method has the following beneficial effects:
according to the two-color injection-molded TPE plastic elastomer inflation-free tire and the manufacturing process, when the tire is actually used, only the softer tread of the outer ring is in contact with the ground under the condition that the tire is empty or the load is light, so that the comfort level of the whole tire is high; meanwhile, when the tire is under heavy load, the outer ring and the tread of the outer ring connecting body are simultaneously contacted with the ground, so that the comfort level of the tire is effectively ensured, and the supporting force of the tire is greatly improved; in addition, the used supporting inner frame made of the TPE-B harder material can effectively improve the bearing capacity and fatigue resistance of the traditional single softer TPE tire; meanwhile, a thinner and denser support body is adopted in the support inner frame, so that the support force and the fatigue resistance of the tire are improved, and the problems of thick support position and tire bump and discomfort of a common single-material inflation-free tire are solved; the TPE-A and TPE-B materials are environment-friendly materials, have high compatibility, can be recycled at the same time, and do not pollute the environment.
Drawings
FIG. 1 is a schematic view of the construction of a TPE tire of the present invention.
In the figure: 1. a support inner frame; 11. a support body; 12. an outer race engagement body; 13. an inner race engagement body; 2. an outer ring; 3. and an inner ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the examples of the present invention, all examples of antioxidant or anti-ultraviolet agents obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a two-tone TPE plasticity elastomer exempts from pneumatic tire of moulding plastics, includes and supports inside casing 1, outer lane 2 and inner circle 3, at the outside fixedly connected with outer lane 2 that supports inside casing 1, at the most inboard fixedly connected with inner circle 3 that supports inside casing 1, support inside casing 1, outer lane 2, 3 three formula structures as an organic whole of inner circle.
Meanwhile, the supporting inner frame 1 comprises a plurality of supporting bodies 11 which are distributed at equal intervals, each supporting body is corrugated, two outer ring connecting bodies 12 which are symmetrically connected to the tops of the supporting bodies 11, and inner ring connecting bodies 13 which are fixedly connected with the bottom ends of the supporting bodies 11.
In addition, the outer race 2 is positioned between the two outer race engaging bodies 12 and fixedly coupled to the two outer race engaging bodies 12, and the inner race 3 is positioned inside the inner race engaging body 13 and fixedly coupled to the inner race engaging body 13.
In the embodiment, the outer ring 2 and the inner ring 3 are both made of TPE-A material, the supporting inner frame 1 is made of TPE-B material, the hardness of TPE-A is 70A, and the hardness of TPE-B is 90A.
The TPE-A is prepared from the following components in parts by mass: 40% of hydrogenated styrene-butadiene block copolymer, 25% of paraffin-grade white oil, 10% of polypropylene, 3% of wear-resisting agent, 5% of heat-resisting agent, 3% of grafting compatilizer, 13% of nano rubber powder and 1% of antioxidant or ultraviolet resistant agent;
the TPE-B is prepared from the following components in parts by mass: 15% of hydrogenated styrene-butadiene block copolymer, 10% of paraffin grade white oil, 51% of polypropylene, 10% of nano rubber powder, 5% of polyolefin thermoplastic elastomer, 5% of heat-resistant agent PPO, 3% of wear-resistant agent and 1% of antioxidant or ultraviolet resistant agent.
The embodiment provides a manufacturing process of a two-color injection-molded TPE plastic elastomer non-pneumatic tire, which comprises the following steps:
s1, weighing each component of the TPE-A, TPE-B respectively according to the mixing ratio by using electronic weighing equipment;
s2, mixing the weighed raw materials of the TPE-A, TPE-B by using mixing equipment, and storing the raw materials in corresponding containers respectively;
s3, adding the mixed raw materials of the TPE-A into an injection molding machine, and obtaining a supporting inner frame 1 by using a matched forming mold;
s4, adding the mixed raw materials of the TPE-B into an injection molding machine, obtaining an outer ring 2 and an inner ring 3 by using a matched molding die, and simultaneously injection molding the outer ring 2 and the inner ring 3 on the supporting inner frame 1;
and S5, cooling to obtain the double-color TEP tire.
Example 2
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a two-tone TPE plasticity elastomer exempts from pneumatic tire of moulding plastics, includes and supports inside casing 1, outer lane 2 and inner circle 3, at the outside fixedly connected with outer lane 2 that supports inside casing 1, at the most inboard fixedly connected with inner circle 3 that supports inside casing 1, support inside casing 1, outer lane 2, 3 three formula structures as an organic whole of inner circle.
Meanwhile, the supporting inner frame 1 comprises a plurality of supporting bodies 11 which are distributed at equal intervals, each supporting body is corrugated, two outer ring connecting bodies 12 which are symmetrically connected to the tops of the supporting bodies 11, and inner ring connecting bodies 13 which are fixedly connected with the bottom ends of the supporting bodies 11.
In addition, the outer race 2 is positioned between the two outer race engaging bodies 12 and fixedly coupled to the two outer race engaging bodies 12, and the inner race 3 is positioned inside the inner race engaging body 13 and fixedly coupled to the inner race engaging body 13.
In the embodiment, the outer ring 2 and the inner ring 3 are both made of TPE-A material, the supporting inner frame 1 is made of TPE-B material, the hardness of TPE-A is 50A, and the hardness of TPE-B is 95A.
The TPE-A is prepared from the following components in parts by mass: 42% of hydrogenated styrene-butadiene block copolymer, 26% of paraffin-grade white oil, 10% of polypropylene, 3% of wear-resisting agent, 5% of heat-resisting agent, 3% of grafting compatilizer, 10% of nano rubber powder and 1% of antioxidant or ultraviolet resistant agent;
the TPE-B is prepared from the following components in parts by mass: 14% of hydrogenated styrene-butadiene block copolymer, 20% of paraffin grade white oil, 40% of polypropylene, 10% of nano rubber powder, 5% of polyolefin thermoplastic elastomer, 5% of heat-resistant agent PPO, 4% of wear-resistant agent and 2% of antioxidant or ultraviolet resistant agent.
The embodiment provides a manufacturing process of a two-color injection-molded TPE plastic elastomer non-pneumatic tire, which comprises the following steps:
s1, weighing each component of the TPE-A, TPE-B respectively according to the mixing ratio by using electronic weighing equipment;
s2, mixing the weighed raw materials of the TPE-A, TPE-B by using mixing equipment, and storing the raw materials in corresponding containers respectively;
s3, adding the mixed raw materials of the TPE-A into an injection molding machine, and obtaining a supporting inner frame 1 by using a matched forming mold;
s4, adding the mixed raw materials of the TPE-B into an injection molding machine, obtaining an outer ring 2 and an inner ring 3 by using a matched molding die, and simultaneously injection molding the outer ring 2 and the inner ring 3 on the supporting inner frame 1;
and S5, cooling to obtain the double-color TEP tire.
Example 3
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a two-tone TPE plasticity elastomer exempts from pneumatic tire of moulding plastics, includes and supports inside casing 1, outer lane 2 and inner circle 3, at the outside fixedly connected with outer lane 2 that supports inside casing 1, at the most inboard fixedly connected with inner circle 3 that supports inside casing 1, support inside casing 1, outer lane 2, 3 three formula structures as an organic whole of inner circle.
Meanwhile, the supporting inner frame 1 comprises a plurality of supporting bodies 11 which are distributed at equal intervals, each supporting body is corrugated, two outer ring connecting bodies 12 which are symmetrically connected to the tops of the supporting bodies 11, and inner ring connecting bodies 13 which are fixedly connected with the bottom ends of the supporting bodies 11.
In addition, the outer race 2 is positioned between the two outer race engaging bodies 12 and fixedly coupled to the two outer race engaging bodies 12, and the inner race 3 is positioned inside the inner race engaging body 13 and fixedly coupled to the inner race engaging body 13.
In the embodiment, the outer ring 2 and the inner ring 3 are both made of TPE-A material, the supporting inner frame 1 is made of TPE-B material, the hardness of TPE-A is 50A, and the hardness of TPE-B is 98A.
The TPE-A is prepared from the following components in parts by mass: 40% of hydrogenated styrene-butadiene block copolymer, 28% of paraffin-grade white oil, 10% of polypropylene, 3% of wear-resisting agent, 5% of heat-resisting agent, 3% of grafting compatilizer, 10% of nano rubber powder and 1% of antioxidant or ultraviolet resistant agent;
the TPE-B is prepared from the following components in parts by mass: 30% of hydrogenated styrene-butadiene block copolymer, 5% of paraffin grade white oil, 41% of polypropylene, 10% of nano rubber powder, 5% of polyolefin thermoplastic elastomer, 5% of heat-resistant agent PPO, 3% of wear-resistant agent and 1% of antioxidant or ultraviolet resistant agent.
The embodiment provides a manufacturing process of a two-color injection-molded TPE plastic elastomer non-pneumatic tire, which comprises the following steps:
s1, weighing each component of the TPE-A, TPE-B respectively according to the mixing ratio by using electronic weighing equipment;
s2, mixing the weighed raw materials of the TPE-A, TPE-B by using mixing equipment, and storing the raw materials in corresponding containers respectively;
s3, adding the mixed raw materials of the TPE-A into an injection molding machine, and obtaining a supporting inner frame 1 by using a matched forming mold;
s4, adding the mixed raw materials of the TPE-B into an injection molding machine, obtaining an outer ring 2 and an inner ring 3 by using a matched molding die, and simultaneously injection molding the outer ring 2 and the inner ring 3 on the supporting inner frame 1;
and S5, cooling to obtain the double-color TEP tire.
In conclusion, the two-color injection-molded TPE plastic elastomer non-pneumatic tire obtained by the three embodiments has the advantages that when the tire is actually used, only the softer tread of the outer ring 2 is in contact with the ground under the condition that the tire is empty or the load is light, so that the comfort level of the whole tire is high; meanwhile, when the tire is under heavy load, the treads of the outer ring 2 and the outer ring connecting body 12 are simultaneously contacted with the ground, so that the comfort level of the tire is effectively ensured, and the supporting force of the tire is greatly improved; in addition, the used supporting inner frame 1 made of the TPE-B harder material can effectively improve the bearing capacity and fatigue resistance of the traditional single softer TPE tire; meanwhile, the thinner and denser support body 11 is adopted in the support inner frame 1, so that the support force and the fatigue resistance of the tire are improved, and the problems of thick support position and tire bump and discomfort of a common single-material inflation-free tire are solved; the TPE-A and TPE-B materials are environment-friendly materials, have high compatibility, can be recycled at the same time, and do not pollute the environment.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The double-color injection-molded TPE plastic elastomer inflation-free tire is characterized by comprising a supporting inner frame (1), an outer ring (2) and an inner ring (3), wherein the outer ring (2) is fixedly connected to the outermost side of the supporting inner frame (1), the inner ring (3) is fixedly connected to the innermost side of the supporting inner frame (1), and the supporting inner frame (1), the outer ring (2) and the inner ring (3) are of an integrated structure;
the supporting inner frame (1) comprises a plurality of supporting bodies (11) which are distributed at equal intervals, wherein each supporting body is in a corrugated shape, two outer ring connecting bodies (12) which are symmetrically connected to the tops of the supporting bodies (11), and inner ring connecting bodies (13) which are fixedly connected with the bottom ends of the supporting bodies (11);
the outer ring (2) is positioned between the two outer ring connecting bodies (12) and fixedly connected with the two outer ring connecting bodies (12), and the inner ring (3) is positioned inside the inner ring connecting body (13) and fixedly connected with the inner ring connecting body (13);
the outer ring (2) and the inner ring (3) are made of TPE-A materials, the inner supporting frame (1) is made of TPE-B materials, the hardness of the TPE-A materials is 50-75A, and the hardness of the TPE-B materials is 90-98A.
2. The two-color injection-molded TPE plastic elastomer non-pneumatic tire as claimed in claim 1, wherein the TPE-A is prepared from the following components in parts by mass: 40-60% of hydrogenated styrene-butadiene block copolymer, 25-45% of paraffin grade white oil, 10-25% of polypropylene, 3-5% of wear-resisting agent, 5-20% of heat-resisting agent, 3-10% of graft compatilizer, 10-30% of nano rubber powder and 1-5% of antioxidant or ultraviolet resistant agent;
the TPE-B is prepared from the following components in parts by mass: 10-30% of hydrogenated styrene-butadiene block copolymer, 5-30% of paraffin grade white oil, 40-70% of polypropylene, 10-30% of nano rubber powder, 5-25% of polyolefin thermoplastic elastomer, 5-20% of heat-resistant agent PPO, 3-10% of wear-resistant agent and 1-5% of antioxidant or ultraviolet-resistant agent.
3. The two-color injection-molded TPE plastic elastomer non-pneumatic tire as claimed in claim 2, wherein the TPE-A is prepared from the following components in parts by mass: 40% of hydrogenated styrene-butadiene block copolymer, 25% of paraffin-grade white oil, 10% of polypropylene, 3% of wear-resisting agent, 5% of heat-resisting agent, 3% of grafting compatilizer, 13% of nano rubber powder and 1% of antioxidant or ultraviolet resistant agent;
the TPE-B is prepared from the following components in parts by mass: 15% of hydrogenated styrene-butadiene block copolymer, 10% of paraffin grade white oil, 51% of polypropylene, 10% of nano rubber powder, 5% of polyolefin thermoplastic elastomer, 5% of heat-resistant agent PPO, 3% of wear-resistant agent and 1% of antioxidant or ultraviolet resistant agent.
4. The two-color injection-molded TPE plastic elastomer non-pneumatic tire as claimed in claim 2, wherein the TPE-A is prepared from the following components in parts by mass: 42% of hydrogenated styrene-butadiene block copolymer, 26% of paraffin-grade white oil, 10% of polypropylene, 3% of wear-resisting agent, 5% of heat-resisting agent, 3% of grafting compatilizer, 10% of nano rubber powder and 1% of antioxidant or ultraviolet resistant agent;
the TPE-B is prepared from the following components in parts by mass: 14% of hydrogenated styrene-butadiene block copolymer, 20% of paraffin grade white oil, 40% of polypropylene, 10% of nano rubber powder, 5% of polyolefin thermoplastic elastomer, 5% of heat-resistant agent PPO, 4% of wear-resistant agent and 2% of antioxidant or ultraviolet resistant agent.
5. The two-color injection-molded TPE plastic elastomer non-pneumatic tire as claimed in claim 2, wherein the TPE-A is prepared from the following components in parts by mass: 40% of hydrogenated styrene-butadiene block copolymer, 28% of paraffin-grade white oil, 10% of polypropylene, 3% of wear-resisting agent, 5% of heat-resisting agent, 3% of grafting compatilizer, 10% of nano rubber powder and 1% of antioxidant or ultraviolet resistant agent;
the TPE-B is prepared from the following components in parts by mass: 30% of hydrogenated styrene-butadiene block copolymer, 5% of paraffin grade white oil, 41% of polypropylene, 10% of nano rubber powder, 5% of polyolefin thermoplastic elastomer, 5% of heat-resistant agent PPO, 3% of wear-resistant agent and 1% of antioxidant or ultraviolet resistant agent.
6. The two-color injection-molded TPE plastic elastomer non-pneumatic tire as claimed in any one of claims 1 to 6, wherein the manufacturing process comprises the following steps:
s1, weighing each component of the TPE-A, TPE-B respectively according to the mixing ratio by using electronic weighing equipment;
s2, mixing the weighed raw materials of the TPE-A, TPE-B by using mixing equipment, and storing the raw materials in corresponding containers respectively;
s3, adding the mixed raw materials of the TPE-A into an injection molding machine, and obtaining a supporting inner frame (1) by using a matched forming mold;
s4, adding the mixed raw materials of the TPE-B into an injection molding machine, obtaining an outer ring (2) and an inner ring (3) by using a matched molding die, and simultaneously injection molding the outer ring (2) and the inner ring (3) on the supporting inner frame (1);
and S5, cooling to obtain the double-color TEP tire.
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| CN202110078535.0A CN112606628A (en) | 2021-01-21 | 2021-01-21 | Double-color injection-molded TPE (thermoplastic elastomer) plastic elastomer inflation-free tire and manufacturing process thereof |
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| CN202110078535.0A CN112606628A (en) | 2021-01-21 | 2021-01-21 | Double-color injection-molded TPE (thermoplastic elastomer) plastic elastomer inflation-free tire and manufacturing process thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113291102A (en) * | 2021-07-12 | 2021-08-24 | 张邦文 | Non-pneumatic tire based on butt joint of high-elastic steel belt framework-steel wire rope and tire surface |
| CN113858879A (en) * | 2021-09-28 | 2021-12-31 | 中科微至智能制造科技江苏股份有限公司 | Thermoplastic elastomer caster and injection molding process thereof |
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| CN113291102A (en) * | 2021-07-12 | 2021-08-24 | 张邦文 | Non-pneumatic tire based on butt joint of high-elastic steel belt framework-steel wire rope and tire surface |
| CN113291102B (en) * | 2021-07-12 | 2022-05-31 | 张邦文 | Non-pneumatic tire based on butt joint of high-elastic steel belt framework-steel wire rope and tire surface |
| CN113858879A (en) * | 2021-09-28 | 2021-12-31 | 中科微至智能制造科技江苏股份有限公司 | Thermoplastic elastomer caster and injection molding process thereof |
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