Process for producing profiled elements

Patent metadata

Field	Value
Publication number	US-10100513-B2
Application number	US-201314070874-A
Country	US
Kind code	B2
Filing date	Nov 4, 2013
Priority date	Nov 5, 2012
Publication date	Oct 16, 2018
Grant date	Oct 16, 2018

Abstract

The present invention relates to composite elements comprising a profile and an insulating core enclosed at least to some extent by the profile, where the insulating core is composed of an organic porous material which has a thermal conductivity in the range from 13 to 30 mW/m*K, determined in accordance with DIN 12667, and a compressive strength of more than 0.20 N/mm2, determined in accordance with DIN 53421, processes for producing composite elements of this type, and the use of a composite element of this type for producing windows, doors, refrigerators, and chest freezers, or elements for facade construction.

First claim

The invention claimed is:

1. A composite element, comprising:
an insulating core consisting of an organic porous material; and
a profile at least to some extent enclosing the insulating core;
wherein
a thermal conductivity of the organic porous material is from 13 to 30 mW/m*K, determined in accordance with DIN 12667, and
a compressive strength of the organic porous material is more than 0.20 N/mm 2 , determined in accordance with DIN 53421; and
the organic porous material is at least one selected from the group consisting of an organic xerogel based on a polyurethane having at least 50 mol % of the linkages of the monomer units in the form of urethane linkages, an organic xerogel based on a polyisocyanurate having at least 50 mol % of the linkages of the monomer units in the form of isocyanurate linkages, an organic xerogel based on a polyurea having at least 50 mol % of the linkages of the monomer units in the form of urea linkages, an organic aerogel based on a polyurethane having at least 50 mol % of the linkages of the monomer units in the form of urethane linkages, an organic aerogel based on a polyisocyanurate having at least 50 mol % of the linkages of the monomer units in the form of isocyanurate linkages, and an organic aerogel based on a polyurea having at least 50 mol % of the linkages of the monomer units in the form of urea linkages.

2. The composite element according to claim 1 , wherein the organic porous material has a density in the range from 70 to 300 kg/m 3 .

3. The composite element according to claim 1 , wherein the organic porous material has a heat resistance of more than 160° C.

4. The composite element according to claim 1 , wherein the profile comprises polyvinyl chloride or aluminum.

5. An insulating material, consisting of:
an organic porous material having a thermal conductivity in the range from 13 to 30 mW/m*K, determined in accordance with DIN 12667, and
a compressive strength of more than 0.20 N/mm 2 , determined in accordance with DIN 53421,
wherein the organic porous material is at least one selected from the group consisting of an organic xerogel based on a polyurethane having at least 50 mol % of the linkages of the monomer units in the form of urethane linkages, an organic xerogel based on a polyisocyanurate having at least 50 mol % of the linkages of the monomer units in the form of isocyanurate linkages, an organic xerogel based on a polyurea having at least 50 mol % of the linkages of the monomer units in the form of urea linkages, an organic aerogel based on a polyurethane having at least 50 mol % of the linkages of the monomer units in the form of urethane linkages, an organic aerogel based on a polyisocyanurate having at least 50 mol % of the linkages of the monomer units in the form of isocyanurate linkages, and an organic aerogel based on a polyurea having at least 50 mol % of the linkages of the monomer units in the form of urea linkages.

6. A profile, comprising:
said insulating material according to claim 5 as a core.

7. A window, door, refrigerator, freezer, or an element for a facade construction, comprising said profile according to claim 6 .

8. A composite element, comprising:
a profile and an insulating core enclosed at least to some extent by the profile,
wherein the insulating core consists of an organic porous material which has
a thermal conductivity in the range from 13 to 30 mW/m*K, determined in accordance with DIN 12667, and
a compressive strength of from 0.2 to 0.64 N/mm 2 , determined in accordance with DIN 53421; and
wherein the organic porous material is at least one selected from the group consisting of an organic xerogel based on a polyurethane having at least 50 mol % of the linkages of the monomer units in the form of urethane linkages, an organic xerogel based on a polyisocyanurate having at least 50 mol % of the linkages of the monomer units in the form of isocyanurate linkages, an organic xerogel based on a polyurea having at least 50 mol % of the linkages of the monomer units in the form of urea linkages, an organic aerogel based on a polyurethane having at least 50 mol % of the linkages of the monomer units in the form of urethane linkages, an organic aerogel based on a polyisocyanurate having at least 50 mol % of the linkages of the monomer units in the form of isocyanurate linkages, and an organic aerogel based on a polyurea having at least 50 mol % of the linkages of the monomer units in the form of urea linkages.

9. A continuous process for producing a composite element according to claim 1 , said process comprising: constructing the profile around the insulating core.

10. The process according to claim 9 , wherein the profile is continuously constructed around the insulating core by a ring extruder.

11. The process according to claim 9 , wherein the profile is constructed from a plurality of parts around the insulating core.

12. The process according to claim 9 , wherein the profile comprises polyvinyl chloride.

Assignees

• Basf Se

Inventors

• Fricke Marc
• Elbing Mark
• Mohmeyer Nils

Classifications

• Y10T428/24999

  Inorganic · CPC title

• Y10T29/49826

  Assembling or joining · CPC title

• B29D99/0021

  provided with plain or filled structures, e.g. cores, placed between two or more plates or sheets, e.g. in a matrix · CPC title

• B29C48/16

  Articles comprising two or more components, e.g. co-extruded layers · CPC title

• E04B1/76 Primary

  specifically with respect to heat only (heat insulation in general F16L59/00) · CPC title