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A technology of reinforcing material and foaming agent, applied in the field of automobile steel plate reinforcing material, can solve the problems of low material yield, high equipment cost, large material loss, etc., and achieve obvious reinforcement effect, enhanced strength and good adhesion. Effect
Inactive Publication Date: 2013-10-23
IIDA FOSHAN IND
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Abstract
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Problems solved by technology
Since the resin layer contains epoxy resin and the substance after the epoxy resin has been bonded, the steel plate reinforcement has the following disadvantages: 1. The thermosetting resin has poor adhesion to the steel plate in a low temperature environment, and cannot be used in the specified The position is pasted together with the steel plate reinforcement
2. The use of adhesive processing will increase the production man-hours of steel plate reinforcement materials, high equipment costs, low material yield (large material loss), etc.
Method used
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Effect test
Embodiment 1
[0032] In practical application, the preferred ratio of the foam reinforcing material is as follows:
[0033] (1) Butyl rubber: 10%;
[0034] (2) Epoxy resin: 10%;
[0035] (3) Polyamide: 2%;
[0036] (4) Azodicarbonamide: 5%;
[0037] (5) Talc powder: 33%;
[0038] (6) Light calcium carbonate: 40%.
Embodiment 2
[0040] In practical application, the preferred ratio of the foam reinforcing material is as follows:
[0041] (1) Nitrile rubber: 5%;
[0042] (2) Epoxy resin: 5%;
[0043] (3) Polyamide: 2%;
[0044] (4) Ammonium bicarbonate: 5%;
[0045] (5) Calcium carbonate: 33%;
[0046] (6) Light calcium carbonate: 50%.
Embodiment 3
[0048] In practical application, the preferred ratio of the foam reinforcing material is as follows:
[0049] (1) Butyl rubber: 13%;
[0050] (2) Epoxy resin: 13%;
[0051] (3) Polyamide: 2%;
[0052] (4) Azodicarbonamide: 5%;
[0053] (5) Talc powder: 27%;
[0054] (6) Light calcium carbonate: 40%.
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Abstract
The invention discloses a foamed reinforcing material. The foamed reinforcing material is characterized by comprising the following components by mass: 5-20% of synthetic rubber, 5%-20% of an epoxy resin, 0.5%-5% of a hardening agent, 0.5%-5% of a foaming agent, 27%-33% of an inorganic filling material and 40%-50% of a light calcium carbonate. The foamed reinforcing material is foamed and hardened by a chemical reaction of the epoxy resin and the hardening agent and the heat during a baking process of electro-coating. A gas generated by a decomposition effect of the foaming agent allows the epoxy resin filling with bubbles, thereby forming a light-weight resin hardener and adhere with a steel plate and integrating an automobile steel plate and reinforced resin, so that the strength of the steel plate is enhanced. The foamed reinforcing material is simple in structure, good in adhesivity, high in strength and obvious in reinforced effect of the automobile steel plate.
Description
technical field [0001] The invention relates to a reinforcing material for automobile steel plates, in particular to a foaming reinforcing material. Background technique [0002] In the automobile manufacturing industry, the steel plate frame structure of the automobile requires light weight and high strength. At present, the common method is to use a steel plate reinforcement made of a binding layer and a thermosetting resin layer. Since the resin layer contains epoxy resin and substances after epoxy resin has been bonded and processed, this steel plate reinforcement has the following disadvantages: 1. The thermosetting resin has poor adhesion to the steel plate in a low temperature environment, and cannot be used in the specified The position is pasted together with the steel plate reinforcement. 2. The use of adhesion processing will increase the production man-hours of steel plate reinforcement materials, high equipment costs, low material yield (large material loss) an...
Claims
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Application Information
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