US 2016/0101604 A1Published application

Composite flame barrier laminate for a thermal and acoustic insulation blanket

AssigneeE.I. du Pont de Nemours and Company

InventorsLlewellyn Bentley Richardson, III, Dariusz Wlodzimierz Kawka

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Abstract

A multilayer laminate comprising a first polymeric film layer capable of withstanding a temperature of at least 200 C for at least 10 min, a first adhesive layer having an areal weight of from 2 to 40 gsm capable of activation at a temperature of from 75 to 200 degrees C., an inorganic refractory layer comprising platelets in an amount of at least 85% by weight with a dry areal weight of 15 to 50 gsm and having a residual moisture content of no greater than 10 percent by weight, a second adhesive layer having an areal weight of from 4 to 40 gsm capable of activation at a temperature of from 75 to 200 degrees C. and a second polymeric film layer capable of withstanding a temperature of at least 200 C for at least 10 minutes.

Claims16

Dependent claims

A multilayer laminate for use as a flame barrier comprising

(i) a first polymeric film layer capable of withstanding a temperature of at least 200 C for at least 10 min,
(ii) a first adhesive layer having an areal weight of from 2 to 40 gsm and having an activation temperature of from 75 to 200 degrees C.,
(iii) an unsupported inorganic refractory layer having a dry areal weight of 15 to 50 gsm and a residual moisture content of no greater than 10 percent by weight,
(iv) a second adhesive layer having an areal weight of from 2 to 40 gsm and having an activation temperature of from 75 to 200 degrees C., and
(v) a second polymeric film layer capable of withstanding a temperature of at least 200 C for at least 10 min,
wherein
(a) at least one of the first or second polymeric film layers is thermoplastic, and
(b) at least 85% by weight of the unsupported inorganic refractory layer comprises vermiculite platelets.

5 more elements

Dependencies are inferred from the claim text.

Facts

Application: 14/973,621Filed 17 Dec 2015
Priority: 21 Apr 2009
Published: 14 Apr 2016
Term ends: Not estimatedThe source records don’t support an estimate.

Classification41 codes

B32B 27/14
Layered products comprising a layer of synthetic resin: next to a particulate layer
B32B 3/266
Characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or…
B32B 5/16
Layered products characterised by the non- homogeneity or physical structure , i.e. comprising a fibrous, filamentary, particulate or foam…
B32B 7/12
Interconnection of layers: using interposed adhesives or interposed materials with bonding properties

Family

Application61/171,163Us provisional application · filed 21 Apr 2009
Application12/759,741Continuation in part · filed 14 Apr 2010
Application13/325,770Continuation · filed 14 Dec 2011
Application14/081,022Continuation · filed 15 Nov 2013
Application14/973,621Continuation
Application13/325,770Continuation in part
US 2011/0094826 A1Published application
US 2012/0321849 A1Published application
US 2014/0072763 A1Published application
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US 2016/0101604 A1This patent

From the US filing history. Foreign family members aren’t listed.