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    • 1. 发明授权
    • Reflective article with concealed retroreflective pattern
    • 具有隐蔽反光图案的反光制品
    • US6024455A
    • 2000-02-15
    • US6292
    • 1998-01-13
    • Mark O'NeillMichael F. WeberOlester Benson, Jr.John A. WheatleyJames M. JonzaGary B. Hanson
    • Mark O'NeillMichael F. WeberOlester Benson, Jr.John A. WheatleyJames M. JonzaGary B. Hanson
    • G02B5/124G02B5/128G02B5/26
    • G02B5/124
    • A reflective article has a multilayer film covering a patterned retroreflective layer. In one embodiment the patterned retroreflective layer includes a separate indicia layer covering a retroreflective substrate. The indicia are substantially hidden under normal viewing conditions but easily detectable under retroreflective lighting conditions. Various types of retroreflective layers are disclosed. The article can also include microstructured relief patterns which produce holographic images under ambient lighting but which disappear under retroreflective conditions. The multilayer film includes alternating layers of at least a first and second polymer, and has a relatively high reflectivity for normally incident light within a first spectral range which is approximately coextensive with the visible spectrum, and a relatively low reflectance for normally incident light within a second spectral range. The second spectral range can include a transmission window of 15% or less fractional bandwidth located at least partially in the visible spectrum. Film constructions are disclosed which achieve sharper spectral transitions than previously attainable. Film constructions are also disclosed which preserve such sharp transitions even at high entrance (tilt) angles.
    • 反射制品具有覆盖图案化的反光层的多层膜。 在一个实施例中,图案化的反光层包括覆盖回射衬底的单独标记层。 标记在正常观察条件下基本隐藏,但在回射照明条件下容易检测。 公开了各种类型的回射层。 该文章还可以包括在环境照明下产生全息图像但在回射条件下消失的微结构化浮雕图案。 多层膜包括至少第一和第二聚合物的交替层,并且对于在与可见光谱近似共同的第一光谱范围内的正常入射光具有相对较高的反射率,以及在可见光谱内的正常入射光的相对较低的反射率 第二光谱范围。 第二光谱范围可以包括至少部分地位于可见光谱中的15%或更小的分数带宽的透射窗口。 公开了薄膜结构,其实现比先前可获得的更清晰的光谱转变。 还公开了即使在高入口(倾斜)角度下保持这种尖锐转变的膜结构。
    • 3. 发明授权
    • Refrigerator interior liner
    • 冰箱内衬
    • US08785545B2
    • 2014-07-22
    • US13203886
    • 2010-03-09
    • Michel DucJan NeelenMark O'Neill
    • Michel DucJan NeelenMark O'Neill
    • C08J3/22C08L9/00
    • C08L25/06C08F2/38C08F12/08C08F279/02C08L51/04F25D23/066F25D23/08
    • A refrigerator interior liner can be made of a composition including a monovinylaromatic polymer matrix having an average molecular weight in weight Mw above 150,000 g/mol; rubber particles; and low- Mw plasticizers. The rubber particles can have an RPS volume of about 8.5 μm, a monomodal distribution, a swell index above 13.8, and an RPVF of at least 39%. The composition can be prepared by forming a polymerizable mixture including a monovinylaromatic monomer, and dissolving a viscous rubber in the polymerizable mixture. A free radical initiator and a chain transfer agent can be contacted with the polymerizable mixture at conditions whereby phase inversion subsequently occurs. The chain transfer agent can produce an increase of the rubber to PS phase viscosity ratio within the inversion reactor. Polymerization can be continued until a monovinylaromatic polymer matrix having rubber particles dispersed therein is obtained.
    • 冰箱内衬可以由包含平均分子量Mw大于150,000g / mol的单乙烯基芳族聚合物基质的组合物制成; 橡胶颗粒; 和低Mw增塑剂。 橡胶颗粒可以具有约8.5μm的RPS体积,单峰分布,高于13.8的溶胀指数和至少39%的RPVF。 可以通过形成包含单乙烯基芳族单体的可聚合混合物,并将粘性橡胶溶解在可聚合混合物中来制备组合物。 在随后发生相转化的条件下,可以使自由基引发剂和链转移剂与可聚合混合物接触。 链转移剂可以在反应器内产生橡胶与PS相粘度比的增加。 可以继续聚合,直到获得具有分散有橡胶颗粒的单乙烯基芳族聚合物基质。
    • 5. 发明申请
    • REFRIGERATOR INTERIOR LINER
    • 制冷器内部线
    • US20120059110A1
    • 2012-03-08
    • US13203886
    • 2010-03-09
    • Michel DucJan NeelenMark O'Neill
    • Michel DucJan NeelenMark O'Neill
    • C08L21/00
    • C08L25/06C08F2/38C08F12/08C08F279/02C08L51/04F25D23/066F25D23/08
    • The present invention is a refrigerator interior liner made of a rubber modified monovinylaromatic polymer composition comprising:a) a monovinylaromatic polymer matrix having an average molecular weight in weight Mw above 150,000 g/mol, b) rubber particles dispersed therein, said particles having: a volume median particle size (RPS volume) of about 8.5 μm, a monomodal distribution with essentially no shoulder, a low-to-moderate crosslinking of the rubber expressed as a swell index (SI) above 13.8, a rubber phase volume fraction (RPVF) of at least 39%, c) a moderate amount of low- Mw plasticizers, defined as the weight fraction of solubles in methanol, and such that the weight ratio c/(a+b+c) ranges from 0 to 5%. The present invention is also a process for preparing the above composition comprising:a) forming a polymerizable mixture comprising at least one monovinylaromatic monomer and optionally one or more comonoiners, b) dissolving at least a viscous rubber of essentially linear structure in said polymerizable mixture to form a rubber containing polymerizable solution, c) contacting a free radical initiator and a chain transfer agent with the polymerizable mixture at conditions whereby phase inversion subsequently occurs, wherein the chain transfer agent is capable to produce an increase of the rubber to PS phase viscosity ratio within the inversion reactor, d) continuing the polymerization of the solution obtained at step c), optionally in the presence of a free radical initiator, until a monovinylaromatic polymer matrix having rubber particles dispersed therein is obtained.
    • 本发明是一种由橡胶改性单乙烯基芳族聚合物组合物制成的冰箱内衬,其包含:a)平均分子量Mw大于150,000g / mol的单乙烯基芳族聚合物基质,b)分散在其中的橡胶颗粒,所述颗粒具有: 体积中值粒径(RPS体积)约8.5μm,基本上没有肩部的单峰分布,以膨胀指数(SI)高于13.8表示的橡胶的低至中等交联,橡胶相体积分数(RPVF) 至少39%,c)中等量的低Mw增塑剂,其定义为甲醇中可溶物的重量分数,并且使得重量比c /(a + b + c)为0至5%。 本发明还是一种制备上述组合物的方法,包括:a)形成包含至少一种单乙烯基芳族单体和任选的一种或多种共聚单体的可聚合混合物,b)将至少一种基本上线性结构的粘性橡胶溶解在所述可聚合混合物中至 形成含橡胶的可聚合溶液,c)在随后发生相转化的条件下使自由基引发剂和链转移剂与可聚合混合物接触,其中链转移剂能够使橡胶增加至PS相粘度比 在反转反应器内,d)任选地在自由基引发剂的存在下,继续聚合步骤c)获得的溶液,直到获得其中分散有橡胶颗粒的单乙烯基芳族聚合物基质。