Cementitious exterior sheathing product having improved interlaminar bond strength
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E04F-013/072
E04D-001/16
B28B-001/52
B28B-007/46
B32B-013/02
C04B-028/04
C04B-041/00
C04B-041/48
C04B-041/63
E04C-002/04
E04D-001/10
E04F-013/14
E04F-013/16
E04F-015/10
B44F-009/02
B05D-005/00
B05D-003/00
C04B-111/00
C04B-111/10
출원번호
US-0439542
(2012-04-04)
등록번호
US-9435124
(2016-09-06)
발명자
/ 주소
Bezubic, Jr., William Paul
출원인 / 주소
PLYCEM USA, INC.
대리인 / 주소
RatnerPrestia
인용정보
피인용 횟수 :
1인용 특허 :
133
초록▼
The present invention provides exterior building products, such as roofing and siding, shake, shingles, siding, sheathing, panels, planks, vertical siding, soffit panels, fencing, decking, fascia, corner posts, column corners and trim boards in which a plurality of cementitious layers are provided w
The present invention provides exterior building products, such as roofing and siding, shake, shingles, siding, sheathing, panels, planks, vertical siding, soffit panels, fencing, decking, fascia, corner posts, column corners and trim boards in which a plurality of cementitious layers are provided with an improved interlaminar bond by employing a resinous bond promoter, a rheological agent, mechanical means to distribute fibers in a direction which is perpendicular to the machine direction so as to bridge between layers in the product, or a combination thereof. These techniques help to increase interlaminar bond strength to improve the mechanical properties of the product. When certain resinous bond promoters are used, the additional benefits of water absorption resistance and pigmentation throughout the product can be provided with minimal expense. Improvements in interlaminar bond strength of about 10 46% were observed with a percent elongation improvement of about 7%.
대표청구항▼
1. An exterior siding member comprising a plurality of individual fibercement layers affixed to a rigid support member, wherein the individual fibercement layers comprise a curable non-gypsum cementitious material having fibers therein, and the layers are adhered to one another by one or more of int
1. An exterior siding member comprising a plurality of individual fibercement layers affixed to a rigid support member, wherein the individual fibercement layers comprise a curable non-gypsum cementitious material having fibers therein, and the layers are adhered to one another by one or more of interlaminar bond strength promoters, wherein one of the one or more interlaminar bond strength promoters comprises nano-sized magnesium alumino silicate and an acrylic based resin and water, wherein a ratio of the acrylic based resin to water is 5% to 50%. 2. A cement-containing exterior siding member comprising: (a) an elongated rigid support member comprising steel, said rigid support member having a wall-facing side and an exterior-facing side and a plurality of fastener receiving holes disposed therethrough; and(b) a cement-containing layer bonded to said rigid support member, said cement-containing layer comprising a plurality of individual fibercement layers wherein the individual fibercement layers comprise a curable non-gypsum cementitious material having fibers therein, and the fibercement layers are adhered to one another by one or more of interlaminar bond strength promoters, wherein one of the one or more interlaminar bond strength promoters comprises nano-sized magnesium alumino silicate and an acrylic based resin and water, and wherein the cement-containing layer comprises an outwardly facing exterior-facing side. 3. The cement-containing exterior siding member of claim 2, wherein said rigid support member comprises galvanized steel lath or galvanized and perforated steel sheet or plate. 4. The cement-containing exterior siding member of claim 2, further comprising a resinous cement bond promoter to assist in bonding said cement-containing layer to said rigid support member. 5. The cement-containing exterior siding member of claim 2, wherein said cement-containing layer comprises cellulosic fiber, silica sand, portland cement or a combination thereof. 6. A cementitious exterior sheathing product comprising: (a) a rigid metal support member having a wall-facing side and an exterior-facing side, a nail flange disposed along at least one of its outer edges, and a plurality of perforations defined through the rigid metal support member; and(b) a cementitious layer bonded to said rigid support member, the cementitious layer extending through the plurality of perforations to lock said cementitious layer to said rigid support member, said cementitious layer comprising a plurality of individual fibercement layers wherein the individual fibercement layers comprise a curable non-gypsum cementitious material having fibers therein, and the fibercement layers are adhered to one another by one or more of interlaminar bond strength promoters, wherein one of the one or more interlaminar bond strength promoters comprises nano-sized magnesium alumino silicate and an acrylic based resin and water, wherein the cementitious layer exhibits a wood grain appearance. 7. A cementitious exterior sheathing product comprising: (a) a rigid metal support member having a wall-facing side and an exterior-facing side, a nail flange disposed along at least one of its edges, and a plurality of perforations defined through the rigid metal support member; and(b) a cementitious layer disposed at least on a portion of said rigid support member and being laterally spaced apart from said nailing flange, the cementitious layer extending through the plurality of perforations to lock said cementitious layer to said rigid support member, said cementitious layer comprising a plurality of individual fibercement layers, wherein the individual fibercement layers comprise a curable non-gypsum cementitious material having fibers therein, and the fibercement layers are adhered to one another by one or more of interlaminar bond strength promoters, wherein one of the one or more interlaminar bond strength promoters comprises nano-sized magnesium alumino silicate and an acrylic based resin and water, wherein the cementitious layer exhibits a wood grain appearance, and said metal support member is at least partially embedded within said cementitious layer. 8. An exterior siding member comprising: (a) a plurality of individual fibercement layers, wherein the individual fibercement layers comprise a curable non-gypsum cementitious material having fibers therein, and the fibercement layers are adhered to one another by one or more of interlaminar bond strength promoters, wherein one of the one or more interlaminar bond strength promoters comprises nano-sized magnesium alumino silicate and an acrylic based resin and water;(b) a rigid support member having a plurality of perforations defined therethrough, the cementitious material extending through the plurality of perforations to lock said fibercement layers to said rigid support member, the rigid support member also being bonded to one or more of the individual layers of the plurality of fibercement layers, the rigid support member having a wall-facing side and a nailing flange, wherein the nailing flange comprises a fastener receiving portion to receive fasteners for attaching the wall-facing side to a building;wherein an exterior face of the siding member comprises a press imprinted wood grain texture.
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