Unlock instant, AI-driven research and patent intelligence for your innovation.
A kind of rubber composition for tire tread and tire
What is Al technical title?
Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A rubber composition and tire technology, applied in the rubber field, can solve problems such as the decrease of tire rigidity and affect the handling performance of vehicles, and achieve the effect of improving handling and high rigidity
Active Publication Date: 2019-02-12
CHENG SHIN RUBBER CHINA
View PDF7 Cites 0 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
[0004] In order to improve the grip of ice tires on ice, most manufacturers use to reduce the hardness of the tire tread rubber and the glass transition temperature, but this method is likely to cause a decrease in tire rigidity, thereby affecting vehicle handling performance
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
preparation example Construction
[0048] The preparation method of the rubber composition is not particularly limited in the present invention, and the method of stepwise mixing is preferably adopted. Preferably, accelerators and vulcanizing agents are added at the last stage. The rest of the ingredients are added during the initial mixing and re-mixing stages. In the preliminary mixing stage, raw rubber, reinforcing filler, and resin tackifier are added in proportion, and the mixing temperature is preferably 140-160°C. In the re-mixing stage, anti-aging agent, active agent, etc. are added in proportion, and the mixing temperature is preferably 140-160°C. In the final mixing stage, accelerators and vulcanizing agents are added, and the mixing temperature is preferably 90-115°C.
[0049] The present invention also provides a tire comprising the above rubber composition.
[0050] The tires are ice tires.
[0051] The rubber composition is a crown layer of a tire and is used for fixing nails.
[0052] figur...
Embodiment 1～ Embodiment 4
[0055] According to the ratio in Table 1, the rubber composition was prepared.
[0056] Table 1 rubber composition ratio of raw materials
[0057]
[0058]
[0059] Among them, the silanecoupling agents in Examples 1-4 are all SI-69 (bis(3-triethoxysilylpropyl) tetrasulfide), purchased from Evonik Lanxing.
[0060] The reinforcing carbon blacks of Examples 1-4 are all high wear resistancecarbon black N-234, purchased from Shanghai Cabot.
[0061] The processing aids of Examples 1-4 are all VIVATEC 500, purchased from H&R GROUP.
[0062] Active agent 1, embodiment 1 is selected from zincoxide, purchased from Luchang Chemical, embodiment 2 is selected from zincoxide, purchased from Luchang chemical, embodiment 3 is selected from zincoxide, purchased from Zhenjiang Baishui Chemical, embodiment 4 is selected from Autozinc oxide was purchased from Zhenjiang Baishui Chemical;
[0063] Activator 2, Examples 1-4 are all selected from stearic acid SA, purchased from Fengy...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More
PUM
Property
Measurement
Unit
oil absorption value
aaaaa
aaaaa
softening point
aaaaa
aaaaa
softening point
aaaaa
aaaaa
Login to View More
Abstract
The invention provides a rubber composition for a tire surface. The rubber composition contains 20-50wt% of natural rubber, 0-5wt% of liquid rubber, 0-20wt% of polyisoprene and the balance of packing, wherein the liquid rubber and the polyisoprene cannot be 0 at the same time. The rubber composition provided by the invention is applied to a crown layer of a tire and is relatively good in rigidity, a nail can be very well fixed on the surface of the tire, and the operability of a vehicle can be greatly improved under the condition that the surface rigidity of an icy ground tire is ensured.
Description
technical field [0001] The invention relates to the technical field of rubber, in particular to a rubber composition used for tire treads and tires. Background technique [0002] In recent years, domestic and foreign rallies have gradually increased. For example, the winter rallies in northern China are mainly held on ice. It is difficult for ordinary tires (including snow tires) to meet the handling of vehicles in the competition. It is difficult to achieve ice performance simply by improving the tread formula. For good handling on the ground, solving the grip of tires on ice is one of the main technical problems. [0003] For this reason, ice nailing tires emerged as the times require, which means that when the tire is running on ice, the nails on the tire tread can effectively contact the ice ground, and the nails can be fixed well by using special tread rubber. Thereby improving the handling of the vehicle. [0004] In order to improve the grip of ice tires on ice, mos...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to View More