A bonding mortar reinforced by waste glass fiber reinforced plastic

A technology of bonding mortar and fiber reinforcement, applied in the field of bonding mortar, can solve the problems of difficult recycling, thermosetting glass fiber reinforced plastic cannot be remolded, etc., to improve the ultimate elongation rate, improve the quality and durability of mortar engineering, and expand the application field. Effect

Active Publication Date: 2018-08-21
河北安恕朗晴环保设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, thermosetting FRP cannot be reshaped by heating. It is painted, painted and used in conjunction with other plastic parts in application, so it is relatively difficult to recycle.
At present, there is no report on the use of modified epoxy natural rubber and waste glass fiber reinforced plastic powder and fiber to improve the bonding performance of mortar

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1 The proportion of bonding mortar is: 100 parts of 42.5# ordinary Portland cement, 242.5 parts of river sand, 7.5 parts of waste glass fiber reinforced plastic powder, 0.72 parts of hydroxypropyl methyl cellulose ether, modified epoxy natural rubber 2 7 parts, 7 parts of waste fiberglass, 35 parts of water. The performance indicators of the prepared adhesive mortar: the original tensile bond strength is 1.5MPa, the tensile bond strength after water immersion is 1.6MPa, the thermal aging tensile bond strength is 1.75MPa, the tensile bond strength after freeze-thaw cycles The strength is 1.49MPa, and the tensile bonding strength after cooling for 20 minutes is 1.26MPa.

Embodiment 2

[0019] Example 2 The proportion of bonding mortar is: 100 parts of 42.5# ordinary portland cement, 194 parts of river sand, 6 parts of waste glass fiber reinforced plastic powder, 0.61 part of hydroxypropyl methylcellulose ether, 4 parts of modified epoxy natural rubber 3 parts, 3 parts of waste glass fiber reinforced plastics, 14 parts of water. The performance index of the prepared adhesive mortar: the original tensile bond strength is 1.45MPa, the tensile bond strength after water immersion is 1.49MPa, the thermal aging tensile bond strength is 1.37MPa, and the tensile bond strength after freeze-thaw cycle is 1.49MPa. The strength is 1.45MPa, and the tensile bonding strength after cooling for 20 minutes is 1.68MPa.

Embodiment 3

[0020] Embodiment 3 The proportion of bonding mortar is: 100 parts of 42.5# ordinary portland cement, 291 parts of river sand, 9 parts of waste glass fiber reinforced plastic powder, 0.83 part of hydroxypropyl methylcellulose ether, 6 parts of modified epoxy natural rubber 12 parts, 12 parts of waste glass fiber reinforced plastics, 6 parts of water. The performance indicators of the prepared adhesive mortar: the original tensile bonding strength is 1.6MPa, the tensile bonding strength after water immersion is 1.72MPa, the thermal aging tensile bonding strength is 1.3MPa, and the tensile bonding strength after freeze-thaw cycles The strength is 1.42MPa, and the tensile bonding strength after cooling for 20min is 1.7MPa.

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Abstract

The invention relates to bonding mortar enhanced by waste glass fiber reinforced plastic fiber. The bonding mortar is prepared from the following materials in parts by weight: 100 parts of cement, 194 to 291 parts of river sand, 6 to 9 parts of waste glass fiber reinforced plastic powder, 2 to 6 parts of modified epoxy natural rubber, 0.61 to 0.83 part of a water-retaining agent and 3 to 12 parts of waste glass fiber reinforced plastic fiber. The modified epoxy natural rubber and the waste glass fiber reinforced plastics are adopted for improving the bonding performance of the mortar; on one hand, the problem that waste glass fiber reinforced plastics is difficult to utilize as a resource is solved, and the goal of making the best use of things is achieved; on the other hand, the modified epoxy natural rubber belongs to a natural green environment-friendly pollution-free product. Rubber emulsion has a special structure, so that the rubber emulsion has bonding performance and also has good hydrophilicity and waterproof performance. Therefore the bonding mortar enhanced by the waste glass fiber reinforced plastic fiber has the advantages that the bonding performance of the mortar is improved; the resource utilization of the waste glass fiber reinforced plastics in building materials is realized; the application field of the modified epoxy natural rubber is expanded.

Description

technical field [0001] The invention relates to a bonding mortar reinforced by waste glass fiber reinforced plastics, in particular, the bonding performance of the mortar is improved by using waste glass fiber reinforced plastics and a modified epoxy natural rubber modifier. Background technique [0002] As a building product with a wide range of uses, mortar has a wide variety and a huge amount. The performance of mortar is also constantly improving with the development of modern building materials. Ordinary cement mortar is a typical brittle material with high compressive strength, low tensile strength, flexural strength and bond strength, poor toughness and easy cracking. Therefore, it is difficult to meet the requirements of engineering durability and construction efficiency. To a certain extent, its application in construction engineering is limited. The invention mainly improves the bonding performance of the mortar by adding waste glass fiber reinforced plastics and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04C04B24/26C04B18/20
CPCC04B28/04C04B2201/50C04B14/068C04B18/20C04B24/2611C04B24/383Y02W30/91
Inventor 冯艳超赵风清刘满超张蒙蒙牛春梅李绍英曹素改
Owner 河北安恕朗晴环保设备有限公司
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