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    CONCRETE OPTIMIZED FOR HIGH WORKABILITY AND HIGH STRENGTH TO CEMENT RATIO
    22.
    发明申请
    CONCRETE OPTIMIZED FOR HIGH WORKABILITY AND HIGH STRENGTH TO CEMENT RATIO 审中-公开
    混凝土具有较高的工作性能和高强度的水泥比

    公开(公告)号：US20090158967A1

    公开(公告)日：2009-06-25

    申请号：US12247522

    申请日：2008-10-08

    申请人： Per Just Andersen ,  Simon K. Hodson

    发明人： Per Just Andersen ,  Simon K. Hodson

    IPC分类号： C04B18/06 ,  C04B14/06 ,  C04B14/00 ,  C04B24/12

    CPC分类号： C04B28/04 ,  Y02W30/92 ,  C04B14/04 ,  C04B14/06 ,  C04B18/08 ,  C04B20/0048 ,  C04B20/0076 ,  C04B24/12 ,  C04B2103/0053 ,  C04B2103/12 ,  C04B2103/22 ,  C04B2103/304 ,  C04B2103/408 ,  C04B2103/44 ,  C04B2103/54 ,  C04B2103/61 ,  C04B2103/65 ,  C04B2103/67 ,  C04B2103/69

    摘要： A concrete composition having a 28-day design compressive strength of 3000 psi and a slump of about 5 inches is optimized to have high workability and a high strength to cement ratio. The concrete composition contains about 299 pounds per cubic yard hydraulic cement (e.g., Portland cement), about 90 pounds per cubic yard pozzolanic material (e.g., Type C fly ash), about 1697 pounds per cubic yard fine aggregate (e.g., FA-2 sand), about 1403 pounds per cubic yard coarse aggregate (e.g., CA-11 state rock, ¾ inch), about 269 pounds per cubic yard water (e.g., potable water), and about 1.4 fluid ounces of air entraining agent per cwt of hydraulic cement. Workability and strength to cement ratio were increased compared to one or more preexisting concrete compositions having the same 28-day design compressive strength and similar slump by optimizing the ratio of fine aggregate to coarse aggregate. The concrete composition is further characterized by high cohesiveness, resulting in relatively little or no segregation or bleeding.

    摘要翻译： 具有28天设计抗压强度为3000psi和约5英寸的坍落度的混凝土组合物被优化以具有高的可加工性和高的水泥比。 混凝土组合物包含约299磅每立方码水泥水泥（例如波特兰水泥），约90磅每立方码火山灰材料（例如C型粉煤灰），约1697磅/立方码细骨料（例如FA-2 沙子），大约1403磅每立方码粗骨料（例如，CA-11状态岩石，¾英寸），约269磅/立方码水（例如饮用水）和约1.4流体盎司的加气剂每cwt 水泥水泥。 与一种或多种具有相同28天设计抗压强度和相似坍落度的预先存在的混凝土组合物相比，通过优化细骨料与粗骨料的比例，可加工性和强度与水泥比增加。 混凝土组合物的进一步特征在于高的内聚力，导致相对较少或没有偏析或渗色。

    HIGHLY WORKABLE CONCRETE COMPOSITIONS HAVING MINIMAL BLEEDING AND SEGREGATION
    23.
    发明申请
    HIGHLY WORKABLE CONCRETE COMPOSITIONS HAVING MINIMAL BLEEDING AND SEGREGATION 审中-公开
    具有最小化和分离的高度可组合的混凝土组合物

    公开(公告)号：US20090158960A1

    公开(公告)日：2009-06-25

    申请号：US12247308

    申请日：2008-10-08

    申请人： Per Just Andersen ,  Simon K. Hodson

    发明人： Per Just Andersen ,  Simon K. Hodson

    IPC分类号： C04B7/00 ,  C04B24/24

    CPC分类号： C04B28/02 ,  C04B14/04 ,  C04B20/0048 ,  C04B20/0076 ,  C04B24/12 ,  C04B2103/0053 ,  C04B2103/12 ,  C04B2103/22 ,  C04B2103/304 ,  C04B2103/408 ,  C04B2103/44 ,  C04B2103/54 ,  C04B2103/61 ,  C04B2103/65 ,  C04B2103/67 ,  C04B2103/69

    摘要： Concrete compositions have a fine-to-coarse aggregate ratio optimized for increased workability with minimal segregation and bleeding. The concrete compositions include at least water, cement, coarse aggregate, and fine aggregate and have a slump of at least 1 inch and a 28-day compressive strength of at least about 1500 psi. Workability is improved by minimizing the viscosity as a function of the aggregate content, while minimizing segregation and bleeding. To improve workability, the concrete compositions include between 45% and 65% fine aggregate and between 35% and 55% coarse aggregate as a function of total aggregate volume. For relatively low strength concrete (1500-4500 psi), the fine aggregate is 55-65% of the total aggregate volume. For medium strength concrete (4500-8000 psi), the fine aggregate is 50-60% of the total aggregate volume. For high strength concrete (>8000 psi), the fine aggregate is 45-55% of the total aggregate volume. Overall workability can be maintained or improved even if slump is decreased.

    摘要翻译： 混凝土组合物具有细至粗的骨料比，其优化用于增加可加工性，同时具有最小的分离和渗血。 混凝土组合物至少包括水，水泥，粗骨料和细骨料，并具有至少1英寸和28天压缩强度至少约1500psi的坍落度。 通过最小化作为骨料含量的函数的粘度，同时最小化偏析和渗色来改善可加工性。 为了提高可加工性，具体组合物包括45％至65％的细骨料和35％至55％之间的粗骨料作为总骨料体积的函数。 对于相对较低强度的混凝土（1500-4500psi），细骨料占总骨料体积的55-65％。 对于中强度混凝土（4500-8000psi），细骨料占总骨料体积的50-60％。 对于高强度混凝土（> 8000 psi），细骨料为总骨料体积的45-55％。 即使坍落度下降，总体可操作性也可以保持或提高。

    Biodegradable polymer blends for use in making films, sheets and other articles of manufacture
    25.
    发明授权
    Biodegradable polymer blends for use in making films, sheets and other articles of manufacture 有权
    可生物降解的聚合物共混物，用于制造薄膜，片材和其他制品

    公开(公告)号：US07241832B2

    公开(公告)日：2007-07-10

    申请号：US10087256

    申请日：2002-03-01

    申请人： Kishan Khemani ,  Harald Schmidt ,  Simon K. Hodson

    发明人： Kishan Khemani ,  Harald Schmidt ,  Simon K. Hodson

    IPC分类号： C08L99/00 ,  C08L5/00 ,  C08L67/00 ,  C08L69/00 ,  C08L77/00

    CPC分类号： C08L77/12 ,  C08L3/02 ,  C08L67/02 ,  C08L67/03 ,  C08L67/04 ,  Y10T428/1307 ,  Y10T428/1334 ,  Y10T428/1352 ,  C08L67/00 ,  C08L2666/02 ,  C08L91/06 ,  C08L2666/18

    摘要： Biodegradable polymer blends suitable for laminate coatings, wraps and other packaging materials are manufactured from at least one “hard” biopolymer and at least one “soft” biopolymer. “Hard” biopolymers tend to be more brittle and rigid and typically have a glass transition temperature greater than about 10° C. “Soft” biopolymers tend to be more flexible and pliable and typically have a glass transition temperature less than about 0° C. While hard and soft polymers each possess certain intrinsic benefits, certain blends of hard and soft polymers have been discovered which possess synergistic properties superior to those of either hard or soft polymers by themselves. Biodegradable polymers include polyesters, polyesteramides, polyesterurethanes, thermoplastic starch, and other natural polymers. The polymer blends may optionally include an inorganic filler. Films and sheets made from the polymer blends may be textured so as to increase the bulk hand feel. Wraps will typically be manufactured to have good “dead-fold” properties so as to remain in a wrapped position and not spring back to an “unwrapped” form.

    摘要翻译： 适用于层压涂层，包装和其他包装材料的生物可降解聚合物共混物由至少一种“硬”生物聚合物和至少一种“软”生物聚合物制成。 “硬”生物聚合物倾向于更脆和刚性，并且通常具有大于约10℃的玻璃化转变温度。“软”生物聚合物倾向于更柔软和柔韧，并且通常具有小于约0℃的玻璃化转变温度。 虽然硬和软聚合物各自具有某些固有的优点，但已经发现了硬和软聚合物的某些共混物，其本身具有优于硬聚合物或软聚合物的协同性质。 可生物降解的聚合物包括聚酯，聚酯酰胺，聚酯氨酯，热塑性淀粉和其他天然聚合物。 聚合物共混物可任选地包括无机填料。 由聚合物共混物制成的薄膜和薄片可以是纹理化的，以便增加手感。 通常将制造包装以具有良好的“折叠”性质，以便保持在包裹位置并且不弹回到“展开”形式。