Method for producing vehicle seat pad

• Main Authors: TSUKAMOTO TSUYOSHI, MURATA YOSHIYUKI, MATSUSHITA SHOTA, HAYASHIDA TETSUO, UCHIDA KATSUYA
• Format: Patent
• Language: Chinese; English
• Published: 15.06.2016
• Subjects: BEDS; CHAIRS; CHEMISTRY; COFFEE MILLS; COMPOSITIONS BASED THEREON; DOMESTIC ARTICLES OR APPLIANCES; FURNITURE; HUMAN NECESSITIES; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; SADDLERY; SEATS SPECIALLY ADAPTED FOR VEHICLES; SOFAS; SPICE MILLS; SUCTION CLEANERS IN GENERAL; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; UPHOLSTERY; UPHOLSTERY NOT OTHERWISE PROVIDED FOR; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDEDFOR; VEHICLES IN GENERAL

The objective of the present invention is to provide a method for producing a vehicle seat pad, in which it is difficult for aldehydes to be dispersed, in a favorably curable manner. The method for producing a vehicle seat pad and containing a step (I) for obtaining a soft polyurethane foam by reacting an active hydrogen component (A) and an organic polyisocyanate (B) in the presence of a foaming agent (C), a urethanation agent (D), a foam stabilizer (E), and an additive (F), wherein (C) contains water, (F) contains at least one selected from the group consisting of the urea compound (F1) indicated by general formula (1), an amino acid (F2), and a polyvalent phenol (F3), and the soft polyurethane foam has a core density of 25-90 kg/m3, a rebound resilience of 50-75%, and a hardness (25%-ILD) of 150-400 N/cm2. 本发明的目的在于提供种固化性良好地制造醛不易扩散的车辆座椅用垫的方法。本发明提供种车辆座椅用垫的制造方法，是包括工序(I)的车辆座椅用垫的制造方法，上述工序(I)是使活性氢成分(A)和有机聚异氰酸酯(B)在发泡剂(C)、氨基甲酸酯化催化剂(D)、稳泡剂(E)和添加剂(F)的存在下反应而得到软质聚氨酯泡沫的工序，其中，(C)含有水，(F)含有选自下述通式(1)表示的尿素化合物(F1)、氨基酸(F2)和多元