| 摘要 |
The present invention is an ornamental vinyl building article made up of a high-strength, extruded base molecularly bonded to a variable texture pattern layer. The variable texture pattern layer provides a highly representational and customizable surface appearance to the article, allowing it to mimic wood and stone building materials used for baseboards, panels, rails, moldings, carvings, friezes, and tiles. The extruded base includes polyvinyl chloride (PVC), nanoscale particles of chemically synthesized calcium carbonate, foaming agent, PVC plasticizer, lubricant, toughening agent, and thermal stabilizer. Once extruded, one surface of the extruded base is heated to allow a molecular bond interface to form between the extruded base and the variable texture pattern layer. |
| 主权项 |
1. An ornamental vinyl building article comprised of:
a high-strength extruded base having at least a first external surface and a second external surface, wherein said high-strength extruded base is comprised of polyvinyl chloride (PVC), nanoscale particles of chemically synthesized calcium carbonate, at least one foaming agent, at least one non-orthophthalate PVC plasticizer, at least one lubricant, at least one non-PVC thermoplastic polymer as a toughening agent, and at least one thermal stabilizer; and a molecular bond interface located between a variable texture pattern layer and said first external surface. |
