| abstract |
The disclosure relates to a low TVOC release silicone composite sheet, comprising: 1) a substrate layer selected from a fabric or a polymeric film. 2) a silicone adhesive layer coated onto the substrate layer and containing volatile organic compound (VOC) releasing additives, and 3) a reinforcing layer adjacent to the silicone adhesive layer; wherein the coating amount of the silicone adhesive layer is less than 45 wt%, preferably less than 35 wt%, more preferably less than 20 wt%, based on the total coating amount of the silicone adhesive layer and the reinforcing layer. and wherein both silicone adhesive layer and reinforcing layer contain or consist essentially of liquid silicone rubber (LSR) or room temperature vulcanized silicone rubber (RTV), and said reinforcing layer contains one or more coatings comprising A). organopolysiloxane having one or more silicon atom-bonded alkenyl groups on average in one molecule; B). an organohydrogenpolysiloxane; and C). a hydrosilylation reaction catalyst present in any amount effective to cure the composition. Furthermore, it relates also to a method for coating and for reducing TVOC release. |