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Transparent fireproof rubber plate, laminated fireproof glass and preparation method thereof

A fireproof rubber sheet and transparent technology, which is applied in the field of transparent fireproof rubber sheet, laminated fireproof glass and its preparation, can solve the problems affecting the fireproof performance and loss of fireproof glass, and achieve the advantages of small weight, variable properties and large area Effect

Pending Publication Date: 2022-02-01
嘉兴柯程科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the higher temperature of the fire is close to 140 ° C, it becomes a solid solution Na 2 SiO 3 The fluidity of the adhesive is relatively large, and it is easy to cause solid solution Na 2 SiO 3 The loss of adhesive affects the fire resistance of fireproof glass

Method used

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  • Transparent fireproof rubber plate, laminated fireproof glass and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1, (molar ratio: formaldehyde: urea=1.5: 1; Weight ratio: urea-formaldehyde resin: water glass solid content=1: 1)

[0030]The formaldehyde (formaldehyde of 11.59kg37%) of 4.29kg is dissolved in the water glass (solid content 5kg) of 14.29kg equably under stirring, the urea of ​​5.71kg is dissolved in the water glass (solid content 5kg) of 14.29kg equably under stirring Content 5kg). Then mix the two parts of water glass solution and stir well. Under stirring, heat to 85°C to react for 1 hour, then heat to 115°C to evaporate water, stop heating when the viscosity of the composite solid solution reaches 50000MPa.s, discharge, and extrude into a 5mm thick plate. After cooling, cut it into a 300mm×300mm rubber sheet, laminate it to two 5mm thick, 300mm×300mm glass plates, and then become the test sample 1 of “laminated fireproof glass” with a size of 300mm×300mm.

Embodiment 2

[0031] Embodiment 2, (molar ratio: formaldehyde: urea=2.0: 1; Weight ratio: urea-formaldehyde resin: water glass solid content=0.1: 1)

[0032] The formaldehyde of 0.5kg (1.35kg37% formaldehyde) is dissolved in the water glass of 14.29kg (solid content 5kg) under stirring uniformly, the urea of ​​0.5kg is dissolved in 14.29kg (solid content 5kg) of water glass. Then mix the two parts of water glass solution and stir well. Under stirring, heat to 90°C to react for 2 hours, then heat to 125°C to evaporate water, stop heating when the viscosity of the composite solid solution reaches 65000MPa.s, discharge, and extrude into a 5mm thick plate. After cooling, cut it into a 300mm×300mm rubber sheet, laminate it to two 5mm thick, 300mm×300mm glass plates, and then become the test sample 2 of “laminated fireproof glass” with a size of 300mm×300mm.

Embodiment 3

[0033] Embodiment 3, (molar ratio: formaldehyde: urea=1.8: 1; Weight ratio: urea-formaldehyde resin: water glass solid content=0.5: 1)

[0034] The formaldehyde of 2.37kg (6.41kg37% formaldehyde) is dissolved in the water glass of 14.29kg (solid content 5kg) under stirring, the urea of ​​2.63kg is dissolved in 14.29kg (solid content 5kg) of water glass. Then mix the two parts of water glass solution and stir well. Under stirring, heat to 95°C to react for 3 hours, then heat to 135°C to evaporate water, stop heating when the viscosity of the composite solid solution reaches 80000MPa.s, discharge, and extrude into a 5mm thick plate. After cooling, cut it into a 300mm×300mm rubber sheet, laminate it to two 5mm thick, 300mm×300mm glass plates, and then become a 300mm×300mm “laminated fireproof glass” test sample 3.

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Abstract

The invention provides a transparent fireproof rubber plate which is prepared by the following steps: reacting formaldehyde, urea and water glass at 85-95 DEG C for 1-3 hours, carrying out in-situ polymerization to prepare urea resin, then raising the temperature, evaporating and dehydrating, stopping heating after the viscosity of the prepared composite solid solution reaches 50000-80000 MPa.s, discharging, and extruding the composite solid solution into a plate while the composite solid solution is hot, thereby obtaining the transparent fireproof rubber plate. The transparent fireproof rubber plate provided by the invention can be used for preparing laminated fireproof glass, the prepared fireproof glass is light in weight and large in area, the fireproof rubber plate can keep good adhesiveness and mechanical strength at high temperature, and the fireproof time of the fireproof glass is greatly prolonged.

Description

technical field [0001] The invention relates to the technical field of fireproof and heat-insulating glass manufacturing, in particular to a transparent fireproof rubber sheet, laminated fireproof glass and a preparation method thereof. Background technique [0002] Fireproof glass is a kind of safety glass. It is a special glass with transparency that can block flames, smoke, heat radiation, prevent flames from spreading, and maintain integrity and stability within a certain period of time. It should also have certain resistance Impact strength, it can still play a protective role for a certain period of time under the flame baking at 1000 ℃. Fire-resistant glass is now being widely used in large-scale public building partitions, fire compartments, outdoor curtain walls and other building parts. Fire-resistant glass is characterized by transparency, which satisfies the harmony and unity of building fire protection and architectural aesthetics to the greatest extent. [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G12/12C08L61/24C08J5/18C03C27/10
CPCC08G12/12C08J5/18C03C27/10C08J2361/24
Inventor 王智敏
Owner 嘉兴柯程科技有限责任公司
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