POLYMER COMPOSITION, LUBRICANT ADDITIVE, VISCOSITY INDEX IMPROVER, LUBRICANT COMPOSITION, METHOD FOR PRODUCING POLYMER COMPOSITION, AND METHOD FOR PRODUCING MACROMONOMER

To provide a polymer composition, a lubricant additive, a viscosity index improver, and a lubricant composition, having a high viscosity index improving effect.SOLUTION: Provided is a polymer composition wherein the differential distribution value in the differential molecular weight distribution cu...

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Hauptverfasser: SHINNO HIROSHI, FUJIE FUMIKO, MUKUDA TAKAHIRO, HAMAMOTO HIROKI, OKAMOTO HIDEKO, FUKUDA HIROKI, MATSUMURA KAZUNARI, SHINADA HIROKO, MOCHIZUKI KATSUFUMI
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creator SHINNO HIROSHI
FUJIE FUMIKO
MUKUDA TAKAHIRO
HAMAMOTO HIROKI
OKAMOTO HIDEKO
FUKUDA HIROKI
MATSUMURA KAZUNARI
SHINADA HIROKO
MOCHIZUKI KATSUFUMI
description To provide a polymer composition, a lubricant additive, a viscosity index improver, and a lubricant composition, having a high viscosity index improving effect.SOLUTION: Provided is a polymer composition wherein the differential distribution value in the differential molecular weight distribution curve of the polymer composition as measured by gel permeation chromatography satisfies formula 1, and the maximum value of normalized back scattering intensity of a 35 wt% base oil solution of the polymer composition, where the size q of the scattering vector of small angle X-ray scattering at 25°C is in the range of 0.07 nm-1 or more to 2 nm-1 or less, is 40 cm-1 or more.SELECTED DRAWING: None 【課題】粘度指数向上効果の高い重合体組成物、潤滑油添加剤、粘度指数向上剤、潤滑油組成物を提供すること。【解決手段】重合体組成物であって、ゲル浸透クロマトグラフィーで測定した、前記重合体組成物の微分分子量分布曲線における微分分布値が下記式1を満足し、前記重合体組成物の35wt%の下記ベースオイル溶液の、25℃の小角X線散乱の散乱ベクトルの大きさqが0.07nm-1以上2nm-1以下の範囲における、規格化後散乱強度の最大値が40cm-1以上である重合体組成物。【選択図】なし
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
FUELS
LUBRICANTS
LUBRICATING COMPOSITIONS
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PEAT
PETROLEUM, GAS OR COKE INDUSTRIES
TECHNICAL GASES CONTAINING CARBON MONOXIDE
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
title POLYMER COMPOSITION, LUBRICANT ADDITIVE, VISCOSITY INDEX IMPROVER, LUBRICANT COMPOSITION, METHOD FOR PRODUCING POLYMER COMPOSITION, AND METHOD FOR PRODUCING MACROMONOMER
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