Automotive adhesion type balancing block and preparation process thereof

A balance weight and bonding technology, applied in the direction of adhesive, wheel weight, adhesive type, etc., can solve the problems of inaccurate adjustment of wheel balance, poor flexibility of balance weight, and easy corrosion of iron balance weight. To achieve the effect of improving the anti-rust effect, preventing peeling or lifting, and excellent anti-rust effect

Active Publication Date: 2020-01-14
QINGDAO CHENGYOU METAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, since the balance weight currently only has three weights, and the iron balance weight is less flexible, it cannot be c

Method used

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  • Automotive adhesion type balancing block and preparation process thereof
  • Automotive adhesion type balancing block and preparation process thereof
  • Automotive adhesion type balancing block and preparation process thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0042] Preparation Example 1: According to the ratio in Table 1, mix 20kg of water-based polyurethane, 10kg of polyacrylate, 5kg of oxidized starch, 3kg of carboxymethyl cellulose and 10kg of water evenly, stir at a speed of 200r / min, heat up to 70°C and reflux 3h, slowly add the accelerator, continue to reflux for 3h, cool to obtain the viscose, the relative molecular weight of the water-based polyurethane is 5000g / mol, the accelerator is organic sodium carboxylate, 2,4-bis Chlorobenzenediazonium compounds and potassium dichromate.

[0043] The raw material ratio of adhesive in table 1 preparation example 1-3

[0044]

preparation example 2

[0045] Preparation example 2: According to the ratio in Table 1, mix 30kg water-based polyurethane, 13kg polyacrylate, 8kg oxidized starch, 4kg carboxymethyl cellulose and 13kg water evenly, stir at a speed of 300r / min, heat up to 80°C and reflux 2.5h, slowly add accelerator, continue to reflux for 3.5h, cool to obtain adhesive, the relative molecular weight of water-based polyurethane is 11500g / mol, the accelerator is organic sodium carboxylate, 2,4 -Dichlorobenzenediazo compound and potassium dichromate.

preparation example 3

[0046] Preparation Example 3: According to the ratio in Table 1, mix 40kg water-based polyurethane, 15kg polyacrylate, 10kg oxidized starch, 5kg carboxymethyl cellulose and 15kg water evenly, stir at a speed of 400r / min, heat up to 90°C and reflux 2h, slowly add the accelerator, continue to reflux for 4h, cool to obtain the viscose, the relative molecular weight of the water-based polyurethane is 15000g / mol, the accelerator is organic sodium carboxylate, 2,4-bis Chlorobenzenediazonium compounds and potassium dichromate.

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Abstract

The invention discloses an automotive adhesion type balancing block and a preparation process thereof. The automotive adhesion type balancing block comprises a balancing block body, an adhesive part and release paper which are connected with one another sequentially; the balancing block body consists of stainless steel powder treated by metal powder or silicate aqueous solution, composite resin and an additive; the stainless steel powder comprises the following components in percentage by mass: less than or equal to 0.12 percent of carbon, less than or equal to 1 percent of silicon, less than2 percent of manganese, less than or equal to 0.045 percent of phosphorus, less than or equal to 0.03 percent of sulfur, 16 to 20.2 percent of chromium, 8 to 10.5 percent of nickel and the balance ofiron and unavoidable impurities; and the metal powder is prepared from mixing nickel or chromium into iron powder, the mass ratio of the iron powder to the nickel is 10:(1-2) and the mass ratio of theiron powder to the chromium is 10:(0.5-1.5). The automotive adhesion type balancing block provided by the invention has the advantages of excellent flexibility, capability of being cut into any weight, high anti-oxidation and anti-rust properties and strong and durable adhesive force.

Description

technical field [0001] The invention relates to the technical field of auto parts, more specifically, it relates to a bonded balance weight for automobiles and a preparation process thereof. Background technique [0002] Generally, if the wheel hub of a car has uneven parts, it will vibrate according to the centrifugal force during rotation, so there will be noise and tire wear, causing the steering wheel to tremble. The centrifugal force is proportional to the rotation speed during the rotation of the tire, so when driving at high speed, The balance of the wheel hub must be accurate. Balance is divided into static balance and dynamic balance in nature. Unbalanced static balance will easily cause the wheel hub to vibrate up and down, and unbalanced dynamic balance will cause the wheel hub to shake left and right. The corresponding balance weight is installed on the best position opposite the balance part to balance the centrifugal force in the opposite direction. [0003] B...

Claims

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Application Information

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IPC IPC(8): B60B15/28C09J175/04C09J11/04C09J11/06B22F1/00B22F3/20
CPCB60B15/28C09J175/04C09J11/04C09J11/06B22F3/20C08L2205/035B22F1/102B22F1/108B22F1/103B22F1/145C08L33/04C08L3/10C08L1/286C08K13/02C08K5/098C08K3/24C08K5/315
Inventor 李浩镇
Owner QINGDAO CHENGYOU METAL
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