Environment-friendly MS sealant and preparation method thereof

A MS sealant, environmentally friendly technology, applied in the direction of adhesives, adhesive types, polyether adhesives, etc., can solve the problem of low bonding strength, achieve fast curing strength, shorten curing and tack-free time, and low TVOC Effect

Active Publication Date: 2020-04-28
HUBEI HUITIAN NEW MATERIALS STOCK CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, many silicone sealant products on the market are difficult to meet the standard of GB / T 29755 elastic sealant for insulating glass, and the bonding strength is lower than 0.45MPa

Method used

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  • Environment-friendly MS sealant and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] This embodiment provides an environment-friendly MS sealant, including component A and component B. Among them, component A is prepared from the following raw materials in parts by weight: 100 parts of trialkoxy-terminated silane-modified polyether prepolymer (Ruiyang Litai 12000DS), 180 parts of nano-calcium carbonate, 100 parts of heavy Calcium carbonate, 65 parts of polyether 2000, 1 part of UV absorber Tinuvin326, 1 part of light stabilizer Tinuvin770DF and 30 parts of JLVC-1 molecular sieve;

[0048] Component B is prepared from the following raw materials in parts by weight: 100 parts of polyether 2000, 50 parts of U carbon black, 70 parts of anti-aging silane additive and 2.5 parts of chelated tin.

[0049] The preparation method of the environment-friendly MS sealant of the present embodiment comprises the following steps:

[0050]Preparation of component A: Weigh the raw materials according to the composition of component A, and mix trialkoxy terminated silane...

Embodiment 2

[0053] This embodiment provides an environment-friendly MS sealant, including component A and component B. Among them, component A is prepared from the following raw materials in parts by weight: 60 parts of trialkoxy terminated silane modified polyether prepolymer (Ruiyang Litai 12000DS), 40 parts of dialkyl terminated silane modified Polyether polymer (S810), 160 parts of nano calcium carbonate, 110 parts of heavy calcium carbonate, 70 parts of polyether 2000, 1 part of ultraviolet absorber Tinuvin326, 1 part of light stabilizer Tinuvin770DF and 40 parts of JLVC-1 molecular sieve;

[0054] Component B is prepared from the following raw materials in parts by weight: 100 parts of polyether 2000, 50 parts of U carbon black, 70 parts of anti-aging silane additive and 2.5 parts of dibutyltin dilaurate.

[0055] The preparation method of the environment-friendly MS sealant of the present embodiment comprises the following steps:

[0056] Preparation of component A: Weigh each raw...

Embodiment 3

[0059] This embodiment provides an environment-friendly MS sealant, including component A and component B. Among them, component A is prepared from the following raw materials in parts by weight: 100 parts of trialkoxy-terminated silane-modified polyether prepolymer (Ruiyang Litai 12000DS), 180 parts of nano-calcium carbonate, 100 parts of heavy Calcium carbonate, 65 parts of polyether 2000, 2 parts of UV absorber Tinuvin326, 2 parts of light stabilizer Tinuvin770DF and 30 parts of JLVC-1 molecular sieve;

[0060] Component B is prepared from the following raw materials in parts by weight: 100 parts of polyether 2000, 50 parts of U carbon black, 70 parts of anti-aging silane additive and 2.5 parts of dibutyltin dilaurate.

[0061] The preparation method of the environment-friendly MS sealant of the present embodiment comprises the following steps:

[0062] Preparation of component A: Weigh the raw materials according to the composition of component A, and mix trialkoxy-termin...

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Abstract

The invention relates to an environment-friendly MS sealant and a preparation method thereof. The component A of the environment-friendly MS sealant is prepared by compounding an organic silicon modified polyether polymer, a filler, a plasticizer, a molecular sieve and the like according to a specific ratio; the component B is prepared by compounding a plasticizer, an anti-aging silane auxiliary agent, carbon black and a catalyst according to a specific ratio, and the anti-aging silane auxiliary agent is prepared by stirring and reacting a coupling agent, a cross-linking agent and a chain extender according to a specific ratio under a vacuum condition of 120 + / -10 DEG C for 7-9 hours. The environment-friendly MS sealant containing the anti-aging silane auxiliary agent and the molecular sieve can meet the requirements of a secondary sealing process of hollow glass and can effectively improve the water and ultraviolet resistance and has the advantages of low TVOC, environmental protection and no odor.

Description

technical field [0001] The invention relates to the technical field of adhesives, in particular to an environment-friendly MS sealant and a preparation method thereof. Background technique [0002] Insulating glass is widely used in modern buildings because of its thermal insulation, energy saving, sound insulation, and light transmission properties. Its superior performance benefits from the use of sealant for peripheral sealing. [0003] At present, insulating glass usually undergoes two sealing processes during processing. The first sealing process uses butyl rubber, which is used for pre-positioning and isolating moisture; the second sealing process often uses silicone sealant or polysulfide sealant. Glue is used for glass bonding and sealing. The second sealing process is crucial to the service life of the insulating glass, and a sealant with high bonding strength and excellent aging resistance is required. However, many silicone sealant products on the market are dif...

Claims

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Application Information

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IPC IPC(8): C09J171/02C09J11/04C09J11/08
CPCC08K2003/265C08K2201/011C08K2201/014C08L2201/08C08L2205/025C08L2205/03C09J11/04C09J11/08C09J171/02C08L71/02C08L83/08C08K13/02C08K9/04C08K3/26C08K3/04C08K7/24C08L83/04C08L83/06
Inventor 蔡海涛王翠花饶磊章婧赵勇刚章锋
Owner HUBEI HUITIAN NEW MATERIALS STOCK CO LTD
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