Glass laminates comprising acoustic interlayers and solar control films
First Claim
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1. An acoustic solar control laminate comprising:
- (a) a first rigid sheet;
(b) a first polymeric sheet;
(c) a polymeric film, which is coated on at least one side with an infrared energy reflective layer;
(d) a second polymeric sheet; and
(e) a second rigid sheet;
wherein the first rigid sheet is adhered to the first polymeric sheet;
the first polymeric sheet is adhered to the polymeric film;
the polymeric film is adhered to the second polymeric sheet; and
the second polymeric sheet is adhered to the second rigid sheet;
and further wherein the first polymeric sheet comprises an acoustic poly(vinyl acetal) composition having a glass transition temperature of 23°
C. or less; and
wherein the first and the second rigid sheets are each formed of a material having a modulus of at least about 100,000 psi (690 MPa).
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Abstract
An acoustic solar control laminate comprising a multi-layer interlayer formed of a solar control film bonded between two polymeric sheets with at least one being an acoustic poly(vinyl acetal) sheet is provided.
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Citations
22 Claims
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1. An acoustic solar control laminate comprising:
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(a) a first rigid sheet; (b) a first polymeric sheet; (c) a polymeric film, which is coated on at least one side with an infrared energy reflective layer; (d) a second polymeric sheet; and (e) a second rigid sheet; wherein the first rigid sheet is adhered to the first polymeric sheet;
the first polymeric sheet is adhered to the polymeric film;
the polymeric film is adhered to the second polymeric sheet; and
the second polymeric sheet is adhered to the second rigid sheet;and further wherein the first polymeric sheet comprises an acoustic poly(vinyl acetal) composition having a glass transition temperature of 23°
C. or less; and
wherein the first and the second rigid sheets are each formed of a material having a modulus of at least about 100,000 psi (690 MPa). - View Dependent Claims (2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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8. The acoustic solar control laminate of 5, wherein the acoustic poly(vinyl acetal) composition further comprises a plasticizer.
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20. An acoustic solar control laminate consisting essentially of:
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(a) a first glass sheet; (b) a first polymeric sheet comprising an acoustic poly(vinyl acetal) composition having a glass transition temperature of 23°
C. or less;(c) a polymeric film, which is coated on at least one side with an infrared energy reflective layer; (d) a second polymeric sheet; and (e) a second glass sheet; wherein the first glass sheet is adhered to the first polymeric sheet;
the first polymeric sheet is adhered to the polymeric film;
the polymeric film is adhered to the second polymeric sheet; and
the second polymeric sheet is adhered to the second glass sheet.- View Dependent Claims (21, 22)
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Specification