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Anti-shock and wear-resistant self-lubricating material based on polyketone, composite board and preparation method of composite board

A technology of self-lubricating materials and composite plates, which is applied in the field of wear-resistant plates, can solve problems such as high friction coefficient, limited use, and difficult to be competent, and achieve the effects of excellent performance, reduced friction coefficient, and increased use range

Pending Publication Date: 2019-06-21
ZHEJIANG CHANGSHENG SLIDING BEARINGS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] With the wide application of polymer-based wear-resistant composite materials, customer design requirements and working conditions are getting higher and higher, especially for the wear-resistant properties of materials. The current commonly used polymer-based composite materials are difficult to do.
[0004] POK is a new type of green and environmentally friendly polymer, which is polymerized from carbon monoxide and olefins. It is currently the only semi-crystalline engineering plastic with carbon atoms in the main chain. It has high crystallinity and compact crystal structure. , its special structure makes POK have excellent wear resistance, but its friction coefficient is too high when it is used alone, which limits its application in the field of friction and wear

Method used

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  • Anti-shock and wear-resistant self-lubricating material based on polyketone, composite board and preparation method of composite board
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  • Anti-shock and wear-resistant self-lubricating material based on polyketone, composite board and preparation method of composite board

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preparation example Construction

[0029] Such as figure 1 As shown, it is a flow chart of a preparation method for a composite board using a polyketone-based anti-impact wear-resistant self-lubricating material. The preparation method of described composite board comprises the steps:

[0030] S1: Provide a polyketone-based anti-impact and wear-resistant self-lubricating material, which is composed of polyketone, anhydride-grafted modified polyethylene, glass fiber, inorganic filler, lubricant and antioxidant composition;

[0031] S2: Vacuum sintering the glass fibers and inorganic fillers, the vacuum degree is maintained at -0.1MPa to -0.15Mpa, and the sintering temperature is 350 to 450 degrees;

[0032] S3: Mix the glass fiber and inorganic filler after vacuum sintering with the polyketone, anhydride graft modified polyethylene, lubricant and antioxidant, and extrude and granulate to form composite particles. The extrusion temperature is 210 to 240 Spend.

[0033] S4: provide a substrate, and copper allo...

specific Embodiment

[0038] Table 1 embodiment data table

[0039]

Embodiment 1

[0041] Step 1: Weigh 58.5 parts of polyketone, 12 parts of polyethylene with maleic anhydride graft ratio of 3%, 18 parts of sintered glass fiber, 10 parts of barium sulfate, and 1.5 parts of polytetrafluoroethylene.

[0042] Step 2: Add all the above-mentioned raw materials into a high-speed mixer with a rotation speed of 350 rpm and mix for 20 minutes to obtain a mixture.

[0043] Step 3: Extrude and granulate the above mixture through a twin-screw extruder at an extrusion temperature of 230°C.

[0044] Step 4: Lay the obtained particles on the surface of the plate for melting and sintering, and perform composite processing by hot rolling to obtain a three-layer composite plate with good wear resistance.

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Abstract

The invention discloses an anti-shock and wear-resistant self-lubricating material based on polyketone, a composite board and a preparation method of the composite board. The anti-shock and wear-resistant self-lubricating composite board comprises a base board, a sintering layer and an anti-shock and wear-resistant self-lubricating layer. The anti-shock and wear-resistant self-lubricating materialbased on polyketone is prepared from, in percentage by weight, 45%-79.8% of polyketone, 5%-15% of anhydride grafted modified polyethylene, 5%-20% of glass fiber, 5%-15% of inorganic filler, 0.1%-5% of a lubricant and 0.1%-3% of an antioxidant. The glass fiber subjected to vacuum sintering treatment is mixed with the inorganic filler, polyketone, anhydride grafted modified polyethylene and the lubricant, multiple regular or irregular pores penetrating through the sintering layer are formed in the sintering layer, and the pores account for 15%-25%. The anti-friction performance of polyketone isimproved and excellent wear resistance of polyketone is fully played, so that the self-lubricating composite board with excellent performance is prepared.

Description

technical field [0001] The invention belongs to the technical field of wear-resistant plates, in particular to a polyketone-based impact-resistant and wear-resistant self-lubricating material, a composite plate and a preparation method thereof. Background technique [0002] Through special modification, the polymer-based wear-resistant composite material is widely used in the field of friction materials with its excellent anti-friction performance and wear resistance performance, and has excellent advantages such as shock absorption and shock absorption, low noise, light weight, and easy processing. Characteristics, especially in the process of use, it is easy to form a stable transfer film with the abrasive parts, so as to further improve the lubrication effect. [0003] With the wide application of polymer-based wear-resistant composite materials, the requirements for customer design and working conditions are getting higher and higher, especially for the wear-resistant pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B15/08B32B37/00C08L73/00C08L27/18C08L51/06C08K7/14C08K3/30
Inventor 薛庆云孙志华陆忠泉
Owner ZHEJIANG CHANGSHENG SLIDING BEARINGS
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