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US 2022/0259403 A1Published application
Thermoformable melamine foam and method for manufacturing same
AssigneeDONGSUNG CHEMICAL Co., Ltd.
InventorsPan Seok SEO, Young Do Park, Byung Youn GWACK, Sung Hun KIM, Gak Gyu CHOI
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Abstract
The present invention provides a thermoformable melamine foam and a method for preparing the same, wherein the thermoformable melamine foam comprises a condensate of a melamine-formaldehyde-based compound with a low molecular ratio to be low in formaldehyde content and shows excellent thermostability and various physical properties.
Claims12
A thermoformable melamine foam comprising:
- a melamine-formaldehyde-based compound condensate,
- wherein a content of the formaldehyde is less than 460 mg/kg,
- a tensile strength before aging measured according to KS M 6518 is 55 kPa or more, and a tensile strength retention rate after aging measured after drying at 260° C. for 5 hours is 15% or more, and
- an elongation rate measured according to KS M 6518 is 20% or more.
1 more element
A thermoformable melamine foam comprising:
- a melamine-formaldehyde-based compound condensate;
- and
- isosorbide.
Dependencies are inferred from the claim text.