Nano samarium oxide-modified monomer casting (MC) nylon sliding block and production process thereof

A nano-samarium oxide and production process technology, which is applied in the production process field of nano-samarium oxide-modified MC nylon sliders, can solve the problems of decreased tensile strength, stiffness and other related properties, and poor toughness, so as to overcome product quality problems , increase toughness and strength, eliminate the effect of internal pores

Active Publication Date: 2013-01-30
扬州赛尔达尼龙制造有限公司
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Problems solved by technology

Traditional modification methods are all at the expense of certain aspects of the material’s performance. When the impact toughness of the material is increased, its tensile strength, stiffness and other related properties decrease. When the tensile strength and stiffness of the material are increased, its The toughness has deteriorated, it is really a loss

Method used

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Embodiment Construction

[0015] A kind of production technology of nano-samarium oxide modified MC nylon slider, comprising 13.15 kilograms of masterbatch caprolactam, 75 grams of nano-samarium oxide, 17 grams of accelerator sodium hydroxide, 42 milliliters of curing agent TDI, 300 grams of solid lubricant molybdenum disulfide, 70 grams of graphite, 45 grams of boron nitride.

[0016] The specific production process is as follows:

[0017] 1) Heating the mould: evenly coat the bottom mold of this specification with the mold release liquid, fix it on the flower plate in the heating box, start heating and measure the temperature; evenly brush the mold release liquid on the upper mold, Put it in another heating box to heat and measure the temperature. When the temperature of the bottom mold is 160°C and the temperature of the upper mold is 185°C, install the upper mold of the mold on the bottom mold and start pouring;

[0018] 2) Feeding: Put 13.15 kg of monomeric caprolactam masterbatch into the meltin...

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Abstract

The invention relates to a nano samarium oxide-modified monomer casting (MC) nylon sliding block and a production process thereof. The nano samarium oxide modified MC nylon sliding block comprises the following materials: 100 parts by weight of master batch hexanolactam, 0.5-1.0 part by weight of nano samarium oxide, 0.12-0.2 part by weight of accelerator sodium hydroxide, 0.3-0.7 liter of curingagent TDI (toluene diisocynate), 2-3 parts by weight of solid lubricant molybdenum disulfide, 0.5-0.8 part by weight of graphite, and 0.3-0.5 part by weight of boron nitride. The production process comprises the specific production steps of: heating up a die, feeding the materials, solidifying for molding, processing internal stress, and machining. The product disclosed by the invention can transfer the born external stress well, as well as can bend a matrix to consume a lot of impact energy, so that an effect for simultaneously increasing the toughness and strength of the product is obtained. According to the production process of the product, disclosed by the invention, a centrifugal casting technology is adopted, so that internal air holes of the product are eliminated, and product quality problems of steel casting sliding blocks caused by defects such as internal air holes, inclusion and the like are solved.

Description

technical field [0001] The invention relates to a novel engineering plastic and a production process thereof, in particular to a production process of a nanometer samarium oxide modified MC nylon slider. Background technique [0002] MC nylon is a new type of engineering plastic made of caprolactam as the main raw material through anionic polymerization under normal pressure. MC nylon is gradually replacing copper, aluminum, steel and other metal materials and is widely used in textile, rubber, petrochemical, steel rolling, mining machinery, automobile, elevator, crane and other industries. However, compared with metals, MC nylon also has disadvantages such as lower strength, modulus and heat distortion temperature, higher water absorption, and poorer dimensional stability. [0003] In recent years, research on modified MC nylon has been active at home and abroad. Common modification methods are mainly carbon fiber or glass fiber reinforcement, inorganic particle filling, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L77/02C08K13/02C08K3/22C08K3/30C08K3/04C08K3/38
Inventor 张爱平
Owner 扬州赛尔达尼龙制造有限公司
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