Adhesive for chemical anchor bolts, and preparation method thereof

A technology of chemical anchor bolts and adhesives, applied in the direction of adhesives, adhesive types, polymer adhesive additives, etc., can solve problems such as difficult to use in large quantities, decreased strength index, poor weather resistance, etc., to improve the bonding strength , Improve the surface properties, increase the effect of adhesion

Active Publication Date: 2016-04-13
苏州市姑苏新型建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

First of all, the resin used in this invention is acrylic epoxy resin, which is not easy to use in large quantities, because the structure of epoxy resin contains benzene rings, has a certain unsaturated structure, and the carbon-carbon double bond in acrylic acid cannot be completely used. Reaction, the cured acrylic epoxy resin is under the long-term influence of light, heat, water, dynamic load and other environmental factors, the weather resistance is not...

Method used

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  • Adhesive for chemical anchor bolts, and preparation method thereof
  • Adhesive for chemical anchor bolts, and preparation method thereof
  • Adhesive for chemical anchor bolts, and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0064] An adhesive for chemical anchors, which includes component A and component B, and the two components respectively include the following components (in grams):

[0065]

[0066] The preparation method of above-mentioned chemical anchor bolt adhesive is as follows:

[0067] (1) Preparation of component A:

[0068] Weigh the raw materials for component A according to the weight recorded in the above table, first mix 15g of hydrogenated bisphenol A epoxy resin, 30g of TDE-85 epoxy resin, 35g of acrylic epoxy resin, 2g of glycidyl methacrylate, 2g of over Add tert-butyl oxidized benzoate, 0.05g of 4-tert-butylpyrocatechol and 0.05g of BYK-R605 rheological additive into the kneader, stir evenly, then add 30g of cement, stir evenly, and make the system into a paste, Finally, add 0.5g of Degussa A200 type fumed silica in batches, stir for 3-4 hours, discharge, and pack in glass tubes to obtain the finished product of component A;

[0069] (2) Preparation of component B:

...

Embodiment 2

[0075] An adhesive for chemical anchors, which includes component A and component B, and the two components respectively include the following components (in grams):

[0076]

[0077] The preparation method of above-mentioned chemical anchor bolt adhesive is as follows:

[0078] (1) Preparation of component A:

[0079] Weigh the raw materials for component A according to the weight recorded in the above table, first mix 25g of hydrogenated bisphenol A epoxy resin, 25g of TDE-85 epoxy resin, 20g of methacrylic acid epoxy resin, 3g of glycidyl methacrylate , 2.5g of tert-butyl peroxybenzoate, 0.06g of 4-methylpyrocatechol and 0.07g of BYK-R606 rheological additives were added to the kneader, stirred evenly, and then 40g of talcum powder was added, stirred evenly, and the system into a paste, and finally add 0.6g WACKER N20 type fumed silica in batches, stir for 3~4 hours, discharge, and plastic flexible packaging to obtain the finished product of component A;

[0080] (2) P...

Embodiment 3

[0086] An adhesive for chemical anchors, which includes component A and component B, and the two components respectively include the following components (in grams):

[0087]

[0088] The preparation method of above-mentioned chemical anchor bolt adhesive is as follows:

[0089] (1) Preparation of component A:

[0090] According to the weight recorded in the above table, take the raw materials that make up component A, first mix 35g hydrogenated bisphenol A epoxy resin, 10g TDE-85 epoxy resin, 15g acrylic epoxy resin / methacrylic epoxy resin mixture, 4g formazan Glycidyl acrylate, 3g tert-butyl peroxybenzoate, 0.1g 4-tert-butylpyrocatechol / 4-methylpyrocatechol mixture and 0.1g BYK-R605 rheology additive were added to the kneader , stir evenly, then add 50g of kaolin / quartz sand mixture and stir evenly to make the system into a paste, and finally add 2g of Degussa A200 type fumed silica in batches, stir for 3~4h, discharge, and pack in glass tubes to obtain Component ...

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Abstract

The invention discloses an adhesive for chemical anchor bolts, and a preparation method thereof. The adhesive concretely comprises a component A and a component B according to a weight ratio of 5:1, wherein the component A comprises, by weight, 15-35 parts of hydrobisphenol A epoxy resin, 10-30 parts of TDE-85 epoxy resin, 15-35 parts of epoxy vinyl resin, 2-4 parts of a cross-linking agent, 2-3 parts of an initiator, 0.05-0.1 parts of a stabilizer, 30-50 parts of a filler, 0.5-2 parts of a thixotropic agent and 0.05-0.1 parts of a rheological assistant, and the component B comprises, by weight, 15-30 parts of an underwater curing agaent, 8-17 parts of ethylpentamethylenediamine, 0.5-1 part of a promoter, 1-2 parts of the coupling agent, 45-50 parts of the filler, 0.5-2 parts of the thixotropic agent and 0.05-0.1 parts of the rheological assistant. The adhesive has the advantages of good weatherability, good ageing resistance, suitableness for dry and wet interface and end surface construction, and positive practical significance.

Description

technical field [0001] The invention relates to the technical field of post-construction anchoring, in particular to an adhesive for chemical anchor bolts and a preparation method thereof. Background technique [0002] In recent years, chemical bolt anchoring technology has been widely used in building renovation, structural reinforcement, reconstruction and expansion of existing buildings, such as curtain wall keel fixing, steel structure fixing, road noise screen fixing and subway tunnel equipment fixing, etc. As a new, simple and effective post-fixation method, the chemical bolt anchorage technology uses high-strength chemical adhesives to produce high-strength grip and adhesion between steel bars, screws, etc., and concrete, so as to achieve the desired fixing effect. . [0003] At present, the chemical anchoring adhesives circulating in the market must follow the safety performance appraisal standard of anchoring fast-setting structural adhesives recorded in item 4.4.5...

Claims

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Application Information

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IPC IPC(8): C09J163/10C09J163/00C09J11/04C09J11/06C09J11/08
CPCC08K2201/014C08L2205/02C08L2205/025C08L2205/03C09J11/04C09J11/06C09J11/08C09J163/00C09J163/10C08L63/00C08K13/02C08K3/36C08K5/20C08K5/544C08K5/098C08L63/10
Inventor 陈晓龙朱华张晓华
Owner 苏州市姑苏新型建材有限公司
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