High-modulus inorganic binder

An inorganic binder and high-modulus technology, which is used in foundry molding equipment, molds, cores, etc., can solve problems such as the inability to effectively improve the moisture resistance and fluidity of inorganic binder sand.

Active Publication Date: 2017-06-20
CHINA FIRST AUTOMOBILE
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, this technical solution cannot effectively improve the moisture resistance and fluidity of the inorganic binder sand.

Method used

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  • High-modulus inorganic binder
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  • High-modulus inorganic binder

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Embodiment Construction

[0018] In order to make the purpose and technical solutions of the embodiments of the present invention more clear, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] Those skilled in the art can understand that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be understood that terms such as those defined in commonly used dictionaries should be understood to have a meaning consisten...

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Abstract

The invention belongs to the field of inorganic binders for casting, and particularly discloses a high-modulus inorganic binder. The high-modulus inorganic binder comprises the following materials, by weight, 5-25 parts of anionic surfactants, 1-75 parts of flow promoting agents, 10-25 parts of accelerative activators, 5 parts of curing agents, 30 parts of nano silicon oxide, 20 parts of nano zinc oxide, 20 parts of hydrogenated starch, 10 parts of phosphate and 5 parts of carbonate. With the adoption of the high-modulus inorganic binder, the liquidity, the moisture resistance, the strength, a hardening rate, the collapsibility and the like of inorganic binder bonded sand can be improved effectively.

Description

technical field [0001] The invention belongs to the field of inorganic binders for casting, in particular to a high-modulus inorganic binder. Background technique [0002] Inorganic binder, high bonding strength, can be used for combined bonding of large inorganic binder sand cores, hanging cores, sealing boxes, etc.; good high temperature performance, can be used for ceramic pouring systems, gates and other high temperature resistant parts Bonding or repairing; easy and economical to use. The existing casting technology mainly uses the inorganic binder core-making process to replace the high-pollution and highly toxic cold-box core-making process, and the manufactured casting core has good environmental protection performance and low production cost. Among all types of inorganic binders, water glass binders are widely used, but pure water glass binders have defects such as poor water resistance, low bonding strength, easy pulverization, and long curing time. Various organ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C1/18
CPCB22C1/181B22C1/185
Inventor 张宏奎王成刚赵洪仁夏为尹绍奎李延海
Owner CHINA FIRST AUTOMOBILE
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