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    • 6. 发明公开
    • 폴리락틱엑시드를 이용한 신발 중창용 생분해성 발포체 조성물 및 이의 제조방법
    • 使用聚乳酸的鞋子可生物降解泡沫化合物及其制造方法
    • KR1020120084447A
    • 2012-07-30
    • KR1020110005813
    • 2011-01-20
    • 한국신발피혁연구원주식회사 컴테크케미칼
    • 최경만백인규김영민박재형이지은한동훈임대휘최인철손관식
    • C08L67/04C08J9/04C08K3/26C08J3/22
    • C08J9/0061A43B1/0063A43B13/38A43B17/105A43B17/14C08J2367/04C08J2409/06C08J2423/08C08J2453/02Y02P70/653
    • PURPOSE: A biodegradable foam composition for midsole using polylactic acid and a manufacturing method thereof are provided to improve biodegradability, durability and hardness. CONSTITUTION: A biodegradable foam composition for midsole using polylactic acid is composed of polylactic acid mixture substrate. The mixed material is composed of a mixture of copolymers and polylactide acid. The biodegradable foam composition comprises 1-10 parts by weight of plasticizer, 1-10 parts by weight of silane coupling agent, 0.1-1.5 parts by weight of cross-linking agent, 2-5 parts by weight of foaming agent, 1-10 parts by weight of metal oxide, 0.5-2 parts by weight of stearic acid and 1-10 parts by weight of calcium carbonate based on 100.0 parts by weight of the mixed material. 20-60 parts by weight of the polylactic acid is included based on 100.0 parts by weight the mixed material. A manufacturing method of the biodegradable foam composition comprises the following steps: manufacturing a master batch by mixing polylactic acid mixture substrate. The mixed material is composed of a mixture of copolymers and polylactide acid. The biodegradable foam composition comprises the following steps: manufacturing a mixture by mixing plasticizer, silane coupling agent, cross-linking agent, foaming agent, metal oxide, stearic acid and calcium carbonate(s1); mulling a additive for foaming, plasticizer, and silane compling agent(s2); and mixing the mulling material with cross-linking agent and a forming agent(s3).
    • 目的:提供使用聚乳酸的中底生物降解泡沫组合物及其制造方法,以改善生物降解性,耐久性和硬度。 构成:使用聚乳酸的中底生物降解泡沫组合物由聚乳酸混合物底物组成。 混合材料由共聚物和聚丙交酯酸的混合物组成。 可生物降解的泡沫组合物包含1-10重量份的增塑剂,1-10重量份的硅烷偶联剂,0.1-1.5重量份的交联剂,2-5重量份的发泡剂,1-10 重量份的金属氧化物,0.5-2重量份的硬脂酸和1-10重量份的碳酸钙,基于100.0重量份的混合材料。 基于100.0重量份的混合材料,包含20-60重量份的聚乳酸。 生物可降解泡沫组合物的制造方法包括以下步骤:通过混合聚乳酸混合物底物制备母料。 混合材料由共聚物和聚丙交酯酸的混合物组成。 可生物降解泡沫组合物包括以下步骤:通过混合增塑剂,硅烷偶联剂,交联剂,发泡剂,金属氧化物,硬脂酸和碳酸钙来制备混合物(s1); 研磨发泡添加剂,增塑剂和硅烷混合剂(s2); 并将研磨材料与交联剂和成形剂混合(s3)。
    • 7. 发明公开
    • 연질화된 폴리락틱엑시드 조성물의 제조방법
    • 柔性聚乳酸组合物及其制造方法
    • KR1020120073613A
    • 2012-07-05
    • KR1020100135432
    • 2010-12-27
    • 한국신발피혁연구원주식회사 컴테크케미칼
    • 최경만백인규김영민박재형이지은한동훈진현호임대휘최인철
    • C08L67/04C08L33/08C08K5/10C08J3/22
    • PURPOSE: A flexible polylactic acid composition and a manufacturing method thereof are provided to minimize degradation problem of mechanical strength and migration problem due to use of normal plasticizer. CONSTITUTION: A flexible polylactic acid composition is obtained by mixing 10-100 parts by weight of modified plasticizer master batch with 100.0 parts by weight of polylactide acid. A manufacturing method of the flexible polylactic acid composition comprises the following steps: (S1) manufacturing modified plasticizer master batch by maturing a mixture of 100.0 parts by weight of acrylic powder and 50-300 parts by weight of plasticizer in an oven at 50-70 deg. Celsius for 10-30 minutes; and (S2) mixing 100.0 parts by weight of polylactide acid with 10-100.0 parts by weight of modified plasticizer master batch in a kneader at 120-170 deg. Celsius for 5-20 minutes.
    • 目的:提供柔性聚乳酸组合物及其制造方法,以使由于使用普通增塑剂引起的机械强度和迁移问题的降解问题最小化。 构成:通过将10-100重量份改性增塑剂母料与100.0重量份聚丙交酯酸混合,得到柔性聚乳酸组合物。 柔性聚乳酸组合物的制造方法包括以下步骤:(S1)通过在50-70℃的烘箱中熟化100.0重量份丙烯酸粉末和50-300重量份增塑剂的混合物来制备改性增塑剂母料 度。 摄氏10-30分钟; 和(S2)在捏合机中将100.0重量份聚丙交酯酸与10-100.0重量份改性增塑剂母料在120-170度混合。 摄氏5-20分钟。