FOAM-MOLDED PRODUCT, METHOD OF MANUFACTURING FOAM-MOLDED PRODUCT, AND METHOD OF SUPPRESSING POOR APPEARANCE OF FOAM-MOLDED PRODUCT

• Main Authors: HIRAI YOJI, MITSUISHI NAOKO, FUJINO HIROAKI, NAKANO SHINGO, SHIOKAWA HIROFUMI, YAMADA KOJI
• Format: Patent
• Language: English; Japanese
• Published: 08.06.2023
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMISTRY; COMPOSITIONS BASED THEREON; GENERAL PROCESSES OF COMPOUNDING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; WORKING-UP

To provide a foam-molded product in which poor appearance such as pockmarks and swirls are suppressed, a method of manufacturing a foam-molded product capable of suppressing poor appearance of the foam-molded product, and a method of suppressing poor appearance of the form-molded product.SOLUTION: There are provided: a foam-molded product including a foam layer, and a skin layer covering the foam layer, wherein a maximum diameter of bubbles in the foam layer is 0.50 mm or less, in the foam layer, an average diameter of the bubbles measured in a same cross section as a maximum diameter of the bubbles is 0.05 mm to 0.15 mm and the bubbles having the maximum diameter and the average diameter are formed by thermal decomposition of a blowing agent; a method for manufacturing a foam-molded product; and a method for suppressing an appearance defect of a foam-molded product.SELECTED DRAWING: Figure 2 【課題】アバタ、スワール等の外観不良が抑制された発泡成形体、成形体の外観不良を抑制することが可能な発泡成形体の製造方法、及び発泡成形体の外観不良の抑制方法を提供する。【解決手段】発泡層と、前記発泡層を被覆するスキン層と、を備え、前記発泡層における気泡の最大径が０．５０ｍｍ以下であり、前記発泡層における、前記気泡の最大径と同一断面で測定される気泡の平均径が０．０５ｍｍ～０．１５ｍｍであり、前記最大径及び前記平均径を有する前記気泡は発泡剤の熱分解により形成される気泡である、発泡成形体；及び、発泡成形体の製造方法又は外観不良の抑制方法。【選択図】図２