公开(公告)号：US20120255452A1

公开(公告)日：2012-10-11

申请号：US13391012

申请日：2010-08-13

申请人： Christopher Lee Bower ,  Phillip J. Coldrick ,  Andrew Michael Howe ,  Stephanie Veronique Desrousseaux

发明人： Christopher Lee Bower ,  Phillip J. Coldrick ,  Andrew Michael Howe ,  Stephanie Veronique Desrousseaux

IPC分类号： B41M5/52 ,  B41J2/01 ,  B05D5/00 ,  B41F5/24

CPC分类号： C09D11/106 ,  C09D11/30

摘要： A composition comprising a plurality of discrete carrier-swellable polymer particles (preferably polyNIPAM particles) and a corresponding carrier (e.g. water), which particles have a low polydispersity index and are present in an amount of at least 0.1% by weight of the composition may be used to impart structural-image properties (such as structural colour) to a substrate by coating or printing methods. Additional benefits of adherence to low-energy surface substrates and enhanced rheological properties for printing compositions may also be provided. The compositions and methods used in the invention allow visual effects or security applications to be incorporated into substrates in a low-cost and convenient manner.

摘要翻译： 包含多个离散载体可溶胀聚合物颗粒（优选聚NIPAM颗粒）和相应载体（例如水）的组合物，该颗粒具有低多分散性指数并且以组合物的至少0.1重量％的量存在。 用于通过涂布或印刷方法将结构图像性质（例如结构颜色​​）赋予基底。 还可以提供粘附于低能量表面底物和增强印刷组合物的流变性能的附加益处。 本发明中使用的组合物和方法允许以低成本和方便的方式将视觉效果或安全性应用纳入底物。

公开(公告)号：US20110245400A1

公开(公告)日：2011-10-06

申请号：US13080908

申请日：2011-04-06

申请人： Trevor John Wear ,  John Martin Higgins ,  Andrew Clarke ,  Andrew Michael Howe ,  Danuta Gibson ,  Stephanie Veronique Desrousseaux

发明人： Trevor John Wear ,  John Martin Higgins ,  Andrew Clarke ,  Andrew Michael Howe ,  Danuta Gibson ,  Stephanie Veronique Desrousseaux

IPC分类号： C08L33/26 ,  C08L51/06 ,  C08L41/00 ,  C08L39/04 ,  C08F2/24 ,  C09D11/10

CPC分类号： C08F2/18 ,  C08F267/08 ,  C08F299/024 ,  C09D11/00 ,  C09D11/106 ,  C09J151/003 ,  C08F220/56 ,  C08F220/18 ,  C08F212/08

摘要： A stimulus-responsive polymer particulate composition, comprising a first monomer, such as an aqueous microgel derived, for example, from N-isopropylacrylamide, may be rendered less susceptible to aggregation at high shear (e.g. at least as high as 106 s−1) by incorporating into the structure of the particle (e.g. by copolymerisation) of a further monomer, which is not a stimulus-responsive polymer-forming monomer. The further monomer may be incorporated in an amount of up to 25 mol % based on the amount of the first monomer. Such modified polymer particles are suitable for inkjet printing applications (e.g. for printing of aqueous microgels onto low-energy surface substrates).

摘要翻译： 包含第一单体（例如衍生自N-异丙基丙烯酰胺的水性微凝胶）的刺激响应性聚合物颗粒组合物可能在高剪切（例如至少高至106s -1）下变得较不易于聚集， 通过将另外的单体（其不是刺激响应性聚合物形成单体）结合到颗粒的结构中（例如通过共聚合）。 基于第一单体的量，另外的单体可以以高达25mol％的量引入。 这样的改性聚合物颗粒适用于喷墨印刷应用（例如，将水性微凝胶印刷到低能量表面基材上）。

公开(公告)号：US20140045699A1

公开(公告)日：2014-02-13

申请号：US14113267

申请日：2012-04-25

申请人： Andrew Michael Howe ,  Stephanie Vronique Desrousseaux ,  Marie-Capucine Pope

发明人： Andrew Michael Howe ,  Stephanie Vronique Desrousseaux ,  Marie-Capucine Pope

IPC分类号： C08K3/22

CPC分类号： C08K3/22 ,  C08F220/56 ,  C09D7/65 ,  C09D11/10 ,  C09D11/106 ,  C09D11/30

摘要： A stimulus-responsive formulation of stimulus-responsive polymer particles in aqueous composition has a rheology-stimulus profile (e.g. rheology-temperature) whereby it exhibits certain rheological behaviours over a range of temperatures, which is controllable by copolymerising a stimulus-responsive polymer-forming monomer, such as N-isopropylacrylamide, with a certain proportion of second monomer having weak acid functionality (such as acrylic acid) to form the stimulus-responsive microgel particles of the formulation and by addition of a base to the formulation to neutralise a portion but not all of the weak acid functionality. Thus a stimulus-responsive formulation may be controlled to exhibit gel-to-liquid-to-gel like behaviour with increasing temperature.

摘要翻译： 在水性组合物中刺激响应性聚合物颗粒的刺激反应性制剂具有流变学刺激分布（例如流变学温度），由此其在一定温度范围内表现出一定的流变行为，其可通过共聚刺激响应性聚合物形成 单体，例如N-异丙基丙烯酰胺，具有一定比例的具有弱酸官能度的第二单体（例如丙烯酸）以形成制剂的刺激响应性微凝胶颗粒，并通过向制剂中加入碱以中和部分，但是 不是所有的弱酸功能。 因此，可以控制刺激响应性制剂以随着温度的升高呈现出凝胶 - 液体 - 凝胶的行为。

公开(公告)号：US20120046407A1

公开(公告)日：2012-02-23

申请号：US13141702

申请日：2009-12-17

申请人： Andrew Clarke ,  Stephanie Vronique Desrousseaux ,  Danuta Gibson ,  John Martin Higgins ,  Andrew Michael Howe ,  Trevor John Wear

发明人： Andrew Clarke ,  Stephanie Vronique Desrousseaux ,  Danuta Gibson ,  John Martin Higgins ,  Andrew Michael Howe ,  Trevor John Wear

IPC分类号： C09D11/10 ,  C08L21/02 ,  B01J13/02 ,  H01B1/20 ,  H01F1/00 ,  C08F257/02 ,  C08F265/10 ,  C08L51/06

CPC分类号： C08F2/22 ,  B01J13/14 ,  C08F2/20 ,  C08F222/38 ,  C08F265/10 ,  C09D11/30 ,  C08F222/385

摘要： A method of making a polymeric compound, comprising discrete particles responsive to an external stimulus, that is resistant to aggregation in high-shear fields, which includes the addition of a polymerization initiator to a reaction mixture comprising a monomer corresponding to the polymeric compound, wherein the method comprises the portion-wise addition of aliquots of a cross-linking agent to the reaction mixture, wherein an aliquot of the cross-linking agent is added to the reaction mixture both before the addition of the polymerization initiator and after the polymerization has progressed substantially to completion. The polymer particles are largely immune to the effects of transient shear rates at least as high as 106 s−1, whilst maintaining their thermal responsiveness and being present at moderate concentration. The structural and chemical modifications brought by the delayed portion-wise addition of the cross-linking agent allow an improvement in stability in a high-shear field.

摘要翻译： 一种制备高分子化合物的方法，包括响应于外部刺激的离散颗粒，其对高剪切场中的聚集具有抗性，其包括向包含对应于聚合物的单体的反应混合物中加入聚合引发剂，其中 该方法包括向反应混合物中分批加入交联剂的等分试样，其中在加入聚合引发剂之前和聚合进行后将等份的交联剂加入到反应混合物中 大致完成。 聚合物颗粒很大程度上免受瞬态剪切速率的影响，至少高达106s-1，同时保持其热响应性并以适中的浓度存在。 通过延迟分批加入交联剂引起的结构和化学改性允许提高高剪切场中的稳定性。