Method and equipment for curing phenolic aldehyde foam material

A phenolic foam material and equipment technology, applied in the field of phenolic resin, can solve problems such as cracking, inconsistent shrinkage, deformation, etc., and achieve the effects of accelerating chemical reactions, ensuring product quality, and uniform heat

Active Publication Date: 2013-01-23
JINAN SHENGQUAN GROUP SHARE HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The second technical problem to be solved by the present invention lies in the technical problem that the prior art tends to produce inconsistent shrinkage, deformation or cra

Method used

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  • Method and equipment for curing phenolic aldehyde foam material
  • Method and equipment for curing phenolic aldehyde foam material

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0049] Example 1

[0050] (1) Curing equipment

[0051] Such as figure 1 As shown, the curing equipment includes a conveying device 11, here a conveyor belt. The input end 10 of the conveying device is used to input the phenolic foam material to be cured, and the output end 100 of the conveying device is used to output the cured phenolic foam. Materials, a first microwave suppressor 2, a microwave radiation device 3, a second microwave suppressor 22, and a cooling device 8 are sequentially arranged between the input end 10 of the conveying device and the output end 100 of the conveying device. The device 3 is connected to the microwave control device 9. A moisture exhaust pipe 4 is provided above the microwave box, and the moisture exhaust pipe 4 communicates with the inside of the microwave box through a moisture exhaust pipe regulating valve 5. The opening degree of the moisture exhaust pipe regulating valve 5 is 1 / 4, an exhaust pipe 6 is arranged above the microwave box body, ...

Example Embodiment

[0056] Example 2

[0057] (1) Curing equipment

[0058] Using the same curing equipment as in Example 1 (1), the difference is: the microwave radiation device 3 is a microwave box, and there is no infrared hot air device between the input end 10 of the transmission device and the first microwave suppressor 2 .

[0059] (2) The curing process of phenolic foam material

[0060] The curing equipment in this embodiment (1) is used to cure the phenolic foam insulation board. The specific steps are: the phenolic foam insulation board enters the first microwave suppressor 2 from the input end 10 of the transmission device, and then enters the microwave box body , Carry out microwave curing in the microwave box. After the microwave radiation is completed, the product enters the cooling device 8 through the second microwave suppressor 22 for cooling treatment. The cooled product has been cured and is output through the output terminal 100 of the transmission device. The packaging process is ...

Example Embodiment

[0061] Example 3

[0062] (1) Curing equipment

[0063] The same curing equipment as in Example 1 (1) is used, except that the microwave radiation device 3 is two microwave boxes.

[0064] (2) The curing process of phenolic foam material

[0065] Use the curing equipment in this embodiment (1) to ripen the phenolic foam insulation board. The specific steps are the same as the method in (2) in embodiment 1, except for the difference: the temperature in the infrared hot air box is 80°C; Along the direction from the input end 10 to the output end 100, set the preset temperature of each microwave box to 60℃ and 70℃ in turn; the time to pass through the infrared hot air box is 30min, and the phenolic foam insulation board needs to pass through each microwave box The time is 30min; the total time required to complete the whole curing process is 93min.

[0066] The various indexes of the phenolic foam insulation board after curing in this example were tested, and the specific indexes are sho...

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Abstract

The invention discloses a method and equipment for curing a phenolic aldehyde foam material. The method for curing the phenolic aldehyde foam material comprises the steps of radiating the phenolic aldehyde foam material to be cured by using microwaves and cooling the phenolic aldehyde foam material. The equipment for curing the phenolic aldehyde foam material has the advantages that moisture, residual foaming agents and formaldehyde inside the phenolic aldehyde foam material are evaporated rapidly, and a chemical reaction inside the phenolic aldehyde foam material is greatly accelerated, so that the curing time is shortened. The microwaves are penetrable, so that the surface and inside of the phenolic aldehyde foam material are subjected to microwave radiation at the same time; and polar molecules absorb the energy of electromagnetic waves and generate uniform heat, so that the product quality is guaranteed, and the phenomenon that the phenolic aldehyde foam material shrinks discordantly, cracks or deforms is avoided.

Description

technical field [0001] The invention belongs to the field of phenolic resins, and in particular relates to a curing method and equipment for a phenolic foam material. Background technique [0002] Known as the "king of thermal insulation materials", phenolic foam is a new generation of thermal insulation, fireproof and sound insulation materials. Phenolic foam material is a polymer organic rigid foam product, which is foamed by thermosetting phenolic resin. It has the characteristics of light weight, fireproof, non-combustible in case of open flame, smokeless, non-toxic, non-dripping, wide range of operating temperature (-196°C to 200°C), non-shrinking and non-brittle in low temperature environment. Due to the high closed cell rate of phenolic foam, the thermal conductivity is low (can be lower than 0.030w / mk), the thermal insulation performance is good, and it has certain water resistance and water vapor permeability, so it is a good thermal insulation and energy-saving ma...

Claims

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Application Information

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IPC IPC(8): B29C71/04
Inventor 唐一林唐路林徐传伟王庆冀
Owner JINAN SHENGQUAN GROUP SHARE HLDG
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