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    • 2. 发明申请
    • Process for making an optical film
    • 制造光学膜的方法
    • US20070228586A1
    • 2007-10-04
    • US11394479
    • 2006-03-31
    • William MerrillAndrew OuderkirkMatthew JohnsonTimothy HebrinkMartin DenkerMark O'Neill
    • William MerrillAndrew OuderkirkMatthew JohnsonTimothy HebrinkMartin DenkerMark O'Neill
    • B29D11/00
    • G02B5/3008B29C55/023B29C55/146B29C55/165B29K2067/00B29K2995/0032G02B5/3083
    • Exemplary methods include includes providing a film comprising at least one polymeric material; widening the film under a first set of processing conditions in a first draw step along the crossweb direction such that in-plane birefringence, if any, created in the film is low; and drawing the film in a second draw step along a downweb direction under a second set of processing conditions, wherein the second set of processing conditions creates in-plane birefringence in at least one polymeric material. Exemplary roll of film includes an oriented optical film characterized by an effective orientation axis. The oriented optical film comprises only one birefringent polymeric material, at least one birefringent material and at least one isotropic material, or a first birefringent material and a second birefringent material, the birefringent materials characterized by effective orientation axes along the MD. The optical film has a width of greater than 0.3 m and a length a length greater than 10 m.
    • 示例性的方法包括提供包含至少一种聚合物材料的膜; 在沿着横向横向方向的第一拉伸步骤中的第一组处理条件下使膜变宽,使得在膜中产生的面内双折射(如果有的话)低; 以及在第二组处理条件下沿下游方向在第二牵引步骤中拉伸所述膜,其中所述第二组加工条件在至少一种聚合材料中产生平面内双折射。 示例性的薄膜包括以有效取向轴为特征的定向光学薄膜。 取向光学膜仅包含一种双折射聚合物材料,至少一种双折射材料和至少一种各向同性材料,或第一双折射材料和第二双折射材料,双折射材料的特征在于沿着MD的有效取向轴。 光学膜的宽度大于0.3μm,长度大于10μm。
    • 7. 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。
    • 9. 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。