A veneer board and the same methode

• Main Author: KIM, HYEONG GU
• Format: Patent
• Language: English; Korean
• Published: 01.08.2001
• Edition: 7
• Subjects: MAKING GRANULES OR PREFORMS; PERFORMING OPERATIONS; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

PURPOSE: A plywood product is provided to obtain improved tensile strength, glossy surface and to absorb and prevent chemical reactions by comprising ground materials from waste synthetic resin and fiber pieces a main component. CONSTITUTION: The plywood product comprises 60-80% of the ground material composed of waste synthetic resin and fiber pieces; 10-20% of natural fiber and pulp wastes; and 10-20% of assistant material consisting of stone powders, glass fiber and non-combustible material. The plywood product is prepared by firstly hot melting and extrusion-molding mixture of the waste raw material at 120-150 deg.C and the assistant material; coating the formed product with PP or PE in a determined thickness and secondly extrusion-molding the coated material through a casting die to produce the final product having desired thickness and width. 본 발명은 폐합성수지 및 폐합성 섬유 분쇄품을 주원료로 하는 합판 및 그 제조방법에 관한 것으로 폐합성수지와 폐합성 섬유 분쇄품이 혼합된 주원료에 충전제 및 보강제(석분, 유리섬유와 불연소성 소재 또는 식물성섬유로 이루어짐)를 배합하여 가압혼련 및 압출,압착하고 양 표면에 폴리프로필렌 또는 폴리에틸렌을 압접한다. 따라서, 본 발명은 인장력 강도가 우수하고, 표면광택이 미려할 뿐만 아니라 표면층이 화학반응을 흡수, 차단할 수 있도록 하고, 제품의 경량화, 저코스트화가 가능하도록 하여 목재합판이나 단일수지 합판을 대체할 수있도록 하였다.