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Fast-drying, low-temperature type environmental-protection epoxy resin bicomponent dry coating and preparation method thereof

An environmentally friendly epoxy resin, epoxy resin technology, applied in the direction of epoxy resin glue, adhesive, adhesive type, etc., can solve the problems of high viscosity, limited application, expensive price, etc.

Inactive Publication Date: 2009-09-16
成都市双流新达实业有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

CTBN is a very mature and toughened epoxy resin with excellent performance, but due to its high price and high viscosity, it can only be used in a few occasions, which limits its application

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] (1) Preparation of Component A

[0015] Put 100 parts of epoxy resin (E-44) and 2 parts of catalyst triphenylphosphine into a three-necked flask equipped with a stirrer, reflux condenser and dropping funnel, heat up to 200°C and start stirring, slowly drop 10 parts of xylene solution of organosilicon intermediate Z6018, keep warm for 2 hours, reflux and condense to continuously separate small molecular compounds such as alcohol and water produced by the reaction, and discharge the material after the viscosity is qualified by wire drawing method, and obtain a brown-red translucent viscous shape Organosilicon modified epoxy resin, add 2 parts of nano-TiO2, stir and mix to generate finished product A.

[0016] (2) Preparation of Component B

[0017] Mix 60 parts of epoxy aromatic amine curing agent with 30 parts of polyamide 650, add 5 parts of accelerator (DMP 30 and dibutyltin laurate), mix well, then grind with 5 parts of filler nano-TiO2, and vacuum filter to form a f...

Embodiment 2

[0019] (1) Preparation of Component A

[0020] Put 100 parts of epoxy resin (E-44) and 6 parts of catalyst butyl acetate into a three-necked flask equipped with a stirrer, reflux condenser and dropping funnel, heat up to 150°C and start stirring, slowly drop 50 parts of xylene solution of organosilicon intermediate Z6018, keep warm for 5 hours, reflux and condense to continuously separate the small molecular compounds such as alcohol and water produced by the reaction, and then discharge the material after the viscosity is qualified by wire drawing method, and obtain a brown-red translucent viscous shape Organosilicon modified epoxy resin, add 8 parts of nanometer TiO2, stir and mix to generate finished product A.

[0021] (2) Preparation of Component B

[0022] Mix 30 parts of epoxy aromatic amine curing agent with 10 parts of polyamide 650, add 2 parts of accelerator (DMP30 and dibutyltin laurate), mix well, then grind with 5 parts of filler nano-TiO2, vacuum filter to form...

Embodiment 3

[0024] (1) Preparation of Component A

[0025] 100 parts of epoxy resins (E-44) and 3 parts of butyl chinate and triphenylphosphorus composite catalyst are put into the there-necked flask that agitator, reflux condenser and dropping funnel are equipped, wherein butyl chinate / The mass ratio of triphenylphosphine is 1:2, heat up to 150°C and start stirring, slowly add 30 parts of xylene solution of organosilicon intermediate Z6018 dropwise, keep warm for 3 hours, reflux and condense to continuously separate the alcohol and water produced by the reaction Such small molecular compounds can be discharged after the viscosity of the wire-drawing method is qualified, and the brown-red translucent viscous silicone-modified epoxy resin is obtained. Add 5 parts of nano-TiO2, stir and mix to form the finished product A.

[0026] (2) Preparation of Component B

[0027] Mix 50 parts of epoxy aromatic amine curing agent with 20 parts of polyamide 650, add 3 parts of accelerator (DMP 30 and...

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Abstract

The invention discloses a fast-drying, low-temperature type environmental-protection epoxy resin bicomponent dry coating, which consists of two components, namely A and B, and is characterized by: 1. 10 to 15 minutes of initial curing time at the temperature of 25 DEG C and 1 hour of fully curing time; 2. good anti-seismic property, anti-shock property, anti-aging property, anti-compression property, and waterproof property, moisture-proof property, anti-acid property, and the like; 3. high bonding strength, less influence of seasonal climate on construction thereof, being capable of being prepared on the condition of low temperature of minus 20 to minus 80 DEG C, non-hardening property in winter and thus overcoming the difficulty of construction in winter; 4. 30 to 45 minutes of surface drying time, thereby providing a reasonable construction period for construction; and 5. good toughness, non-brittleness, and being capable of preventing deformation, distortion, and falling-off caused by various external factors. The invention can be widely applicable to industries such as construction and decoration, machinery, metal and ceramics, leather and wood, furniture and footwear, and the like.

Description

technical field [0001] The invention relates to a stone bonding adhesive, in particular to a novel quick-drying, low-temperature environmental-friendly epoxy resin two-component dry-hanging adhesive. Background technique [0002] With the wide application of stone in construction, the market demand for stone adhesives continues to expand, especially in the bonding of stone and metal pendants, the maintenance and reinforcement of bridges and buildings, and the dry bonding construction of wall tiles. Glue is in great demand. Epoxy resin and curing agent are the main components of high-performance stone adhesive, and the auxiliary components include pigments, fillers, etc., among which the performance of epoxy resin is the main factor that determines the bonding performance. Epoxy resin is a thermosetting resin with an average of two or more epoxy groups per molecule. It is widely used in Adhesives, coatings, composite material substrates, etc. Due to the high cross-linking ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J163/00C09J11/00
Inventor 牟六生杨革华
Owner 成都市双流新达实业有限责任公司
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