SURFACE PROTECTION SHEET

• Main Authors: UKEI NATSUKI, HANAOKA MINORU, NISHIO AKINORI, TOZAKI YUTAKA, NONAKA AKIKO
• Format: Patent
• Language: English; Japanese
• Published: 01.02.2018
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; CHEMISTRY; DYES; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; PAINTS; PERFORMING OPERATIONS; POLISHES; TRANSPORTING; USE OF MATERIALS AS ADHESIVES

PROBLEM TO BE SOLVED: To provide a surface protection sheet having excellent appearance quality.SOLUTION: The present invention provides a surface protection sheet that contains an adhesive layer formed from a water dispersion type adhesive composition containing: an acrylic polymer (A) composed of monomers containing Calkyl acrylate of 40-99.9 wt.%; a surfactant (B) having an oxyethylene chain with a number of moles of added EO of 1-30; and alkylene glycol alkyl ether (C). The surface protection sheet also contains a support base material of a sheet shape with a first face and a second face, the support base material supporting the adhesive layer on the first face.SELECTED DRAWING: Figure 1 【課題】外観品質に優れた表面保護シートを提供する。【解決手段】本発明により提供される表面保護シートは、Ｃ４−９アルキルアクリレートを４０〜９９．９重量％含有するモノマー組成のアクリル系ポリマー（Ａ）と、ＥＯ付加モル数１〜３０のオキシエチレン鎖を有する界面活性剤（Ｂ）と、アルキレングリコールアルキルエーテル（Ｃ）と、を含む水分散型粘着剤組成物から形成された粘着剤層を含む。上記表面保護シートは、また、第一面および第二面を有するシート形状であって上記粘着剤層を上記第一面上に支持する支持基材を含む。【選択図】図１