公开(公告)号：US06492456B1

公开(公告)日：2002-12-10

申请号：US09530564

申请日：2000-06-15

Applicant: Denis Revelant ,  Eugénie Charriere ,  Jean-Marie Bernard

Inventor： Denis Revelant ,  Eugénie Charriere ,  Jean-Marie Bernard

IPC: C08J300

CPC classification number: C08G18/792 ,  C08G18/725

Abstract: This invention relates to a process for separating one (or more) oligomeric or polymeric compound(s) (A) obtained by polymerization of isocyanate monomers (A1) or copolymerization of isocyanate monomers with another polymerizable compound (A2), in particular a polyol, the said compound(s) A having a viscosity (a), from the unconverted monomer(s), this process comprising addition to the said compound(s) (A) of one (or more) compound(s) (B) consisting of the product of polymerization of isocyanate monomers (B1) or of copolymerization of isocyanate monomers with another polymerizable compound (B2), in particular a polyol, the said compound(s) (B) having a viscosity (b) and the ratio of the viscosities b/a being less than 1/1.5, preferably less than 1/2, and co-distillation of (A) and (B), in order to separate the compound(s) (A) from the corresponding unconverted monomers.

Abstract translation: 本发明涉及分离通过异氰酸酯单体（A1）聚合得到的一种（或多种）低聚物或聚合物（A）或异氰酸酯单体与另一种可聚合化合物（A2）的共聚，特别是多元醇的方法， 所述化合物A具有来自未转化单体的粘度（a），该方法包括加入一种（或多种）化合物（B）的所述化合物（A），所述化合物（B）包含 的异氰酸酯单体（B1）的聚合产物或异氰酸酯单体与另一种可聚合化合物（B2）的共聚，特别是多元醇，所述化合物（B）具有粘度（b）和 为了将化合物（A）与相应的未转化的单体分离，粘度b / a小于1 / 1.5，优选小于1/2，和（A）和（B）的共蒸馏。

公开(公告)号：US08039574B2

公开(公告)日：2011-10-18

申请号：US10682412

申请日：2003-10-10

Applicant: Eugènie Charriere ,  Jean-Marie Bernard ,  Denis Revelant ,  Stéphane Randu ,  Michel Carlo

Inventor： Eugènie Charriere ,  Jean-Marie Bernard ,  Denis Revelant ,  Stéphane Randu ,  Michel Carlo

IPC: C08G18/79 ,  C08G18/42 ,  C08G18/62 ,  C08L75/06 ,  C07D229/00

CPC classification number: C08G18/7837 ,  C08G18/025 ,  C08G18/027 ,  C08G18/092 ,  C08G18/095 ,  C08G18/097 ,  C08G18/3206 ,  C08G18/6229 ,  C08G18/7843 ,  C08G18/792 ,  C08G18/798 ,  C08G18/8025 ,  C09D175/04

Abstract: A low viscosity polyisocyanate composition containing at least one isocyanate dimer having a uretidinedione unit is prepared from a reaction medium containing at least one isocyanate monomer in which the isocyanate groups are borne by sp3 carbon atoms. The reaction medium is heated, in the absence of a dimerization catalyst, to a temperature of at least 50° C. and not more than 200° C. for a period of not more than 24 hours.

Abstract translation: 含有至少一种具有脲基二酮单元的异氰酸酯二聚体的低粘度多异氰酸酯组合物由含有至少一种异氰酸酯单体的反应介质制备，其中异氰酸酯基团由sp 3碳原子承载。 将反应介质在不存在二聚催化剂的条件下加热至至少50℃且不超过200℃的温度不超过24小时。

公开(公告)号：US20100216966A1

公开(公告)日：2010-08-26

申请号：US12714873

申请日：2010-03-01

Applicant: Jean-Marie Bernard ,  Denis Revelant ,  Cédric Amouyal

Inventor： Jean-Marie Bernard ,  Denis Revelant ,  Cédric Amouyal

IPC: C08G18/08

CPC classification number: C08G18/7831 ,  C08G18/168 ,  C08G18/348

Abstract: The invention relates to a method for the synthesis of a polyisocyanate composition comprising acylureas. According to the invention, an initial composition containing derivatives comprising at least two isocyanate functions is subjected to the action of at least two acids, whereby at least one of said acids is a strong acid (pKa=3) and at least one is a medium strength acid (3=pKa=6), at a temperature that is equal to or greater than 50° C.; the invention is suitable for coatings.

Abstract translation: 本发明涉及一种合成包含酰基脲的多异氰酸酯组合物的方法。 根据本发明，含有至少两种异氰酸酯官能团的衍生物的初始组合物经受至少两种酸的作用，其中至少一种所述酸是强酸（pKa = 3），并且至少一种是中等 强度酸（3 = pKa = 6），温度等于或大于50℃。 本发明适用于涂料。

公开(公告)号：US07288213B1

公开(公告)日：2007-10-30

申请号：US09673951

申请日：1999-04-21

Applicant: Eugénie Charriere ,  Jean-Marie Bernard ,  Denis Revelant

Inventor： Eugénie Charriere ,  Jean-Marie Bernard ,  Denis Revelant

IPC: C07C275/60 ,  C07C275/62 ,  C07C273/18 ,  C07D251/34 ,  C07D273/04

CPC classification number: C08G18/022 ,  C07D251/34 ,  C08G18/7837 ,  C08G18/792

Abstract: A method is described for preparing a tricondensate polyfunctional isocyanate composition, preferably having at least an isocyanurate and/or biuret group, which includes adding to a tricondensate polyfunctional isocyanate, or a mixture of different tricondensate polyfunctional isocyantes, obtained by (cyclo)condensation, in particular (cyclo)trimerization of one or several identical or different isocyanate monomers and optionally of another monomer, an allophanate of one or several identical or different isocyanates, or a mixture of different allophanates. The isocyanates or isocyanate monomer mixtures used for preparing the polyfunctional isocyanate(s) may be identical to or different from the isocyanate(s) or isocyanate mixture used for preparing the allophanate(s).

Abstract translation: 描述了一种制备三缩醛多官能异氰酸酯组合物的方法，其优选具有至少一种异氰脲酸酯和/或缩二脲基团，其包括将通过（环）缩合获得的三缩醛酸酯多官能异氰酸酯或不同的三缩水甘油醚多官能异氰酸酯的混合物加入到 一种或几种相同或不同的异氰酸酯单体和任选的另一种单体，一种或几种相同或不同的异氰酸酯的脲基甲酸酯或不同脲基甲酸酯的混合物的特定（环）三聚。 用于制备多官能异氰酸酯的异氰酸酯或异氰酸酯单体混合物可以与用于制备脲基甲酸酯的异氰酸酯或异氰酸酯混合物相同或不同。

公开(公告)号：US06635761B1

公开(公告)日：2003-10-21

申请号：US09530607

申请日：2000-06-15

Applicant: Denis Revelant ,  Jean-Marie Bernard

Inventor： Denis Revelant ,  Jean-Marie Bernard

IPC: C08G1802

CPC classification number: C08G18/3848 ,  B01J31/0239 ,  B01J31/0244 ,  B01J31/0268 ,  B01J2231/341 ,  C08G18/022 ,  C08G18/1875 ,  C08G18/2027 ,  C08G2105/02

Abstract: This invention relates to the use as catalyst for the cyclotrimerization reaction of isocyanates of a hydrogencarbonate of a cation which either as it is or in the form complexed with a complexing agent has an average molecular or ionic radius of more than 1 Å, preferably greater than 1.5 Å, and which is at least partially soluble in the reaction medium. The invention also relates to a method of preparing (poly)isocyanurate polyisocyanates by catalytic cyclotrimerization of isocyanates, in which a catalytic system is used which comprises a cyclotrimerization catalyst based on a quaternary ammonium salt as catalyst and imidazole as cocatalyst.

Abstract translation: 本发明涉及用作阳离子的碳酸氢盐的异氰酸酯的环状三聚反应的催化剂，或者以与络合剂络合的形式，其平均分子或离子半径大于，优选大于 1.5A，并且其至少部分可溶于反应介质。本发明还涉及通过异氰酸酯的催化环三聚反应制备（聚）异氰脲酸酯多异氰酸酯的方法，其中使用催化体系，其包含基于 季铵盐为催化剂，咪唑为助催化剂。

公开(公告)号：US06858668B2

公开(公告)日：2005-02-22

申请号：US09486343

申请日：1998-08-27

Applicant: Jean-Marie Bernard ,  Jean-Pierre Corbet ,  Minou Nabavi ,  Philippe Galy-Jammou ,  Denis Revelant

Inventor： Jean-Marie Bernard ,  Jean-Pierre Corbet ,  Minou Nabavi ,  Philippe Galy-Jammou ,  Denis Revelant

IPC: C08G18/70 ,  C08G18/80 ,  C08J3/00 ,  B01J10/00 ,  C08G18/81 ,  C08K3/20 ,  C08L75/00

CPC classification number: C08G18/8077 ,  C08G18/706 ,  C08G18/8083 ,  C08G18/8096 ,  Y10T428/31551

Abstract: This invention relates to a process for the preparation of aqueous emulsions of blocked (poly)isocyanates, this process comprising the steps consisting successively in: a) placing an isocyanate composition containing free isocyanate functions in contact with at least one blocking agent A in the presence of a surfactant B and an aqueous phase, the said isocyanate composition being added gradually to a stock containing at least some of the aqueous phase and at least some of the blocking agent; and optionally, b) subjecting the mixture obtained to a shear (speed gradient) of greater than 1000 s−1, preferably greater than 20,000 s−1 and less than 1,000,000 s−1, preferably less than 200,000 s−1, and c) repeating step b), optionally after step a) has been repeated, until a stable emulsion is obtained whose particles have a Sauter diameter of greater than 0.1 μm, preferably 0.2 μm, and less than 5 μm, preferably less than 2 μm, and a dispersion width of less than 5 μm.

Abstract translation: 本发明涉及一种制备封闭的（多）异氰酸酯的水性乳液的方法，该方法包括以下步骤：连续地在以下步骤中：a）将含有游离异氰酸酯官能团的异氰酸酯组合物与至少一种封闭剂A接触， 的表面活性剂B和水相，将所述异氰酸酯组合物逐渐加入到含有至少一些水相和至少一些封闭剂的浆料中;以及任选地，b）使获得的混合物经受剪切（速度 梯度）大于1000s -1，优选大于20,000s -1且小于1,000,000s -1，优选小于200,000s -1，和c）重复步骤b），任选地在 步骤a）已经重复，直到得到其颗粒的沙特直径大于0.1μm，优选0.2μm，小于5μm，优选小于2μm，分散宽度小于5μm的稳定乳液 。

公开(公告)号：US06642382B2

公开(公告)日：2003-11-04

申请号：US10181495

申请日：2002-11-12

Applicant: Jean-Marie Bernard ,  Frédéric Dallemer ,  Denis Revelant

Inventor： Jean-Marie Bernard ,  Frédéric Dallemer ,  Denis Revelant

IPC: C07D25134

CPC classification number: C07D251/34

Abstract: The invention concerns a method for cyclotrimerization of isocyanate functions by action of a catalyst based on quaternary ammonium or phosphonium. The invention is characterised in that said isocyanate functions are branched and said onium ions are selected among those whereof the total amount of carbons is not more than 30 and not less than 12; and whereof the counterion is selected among the anions corresponding to weak acids whereof the pKA is not less than 8, preferably not less than 10, more preferably not less than 12, whereof the substituents are aliphatic compounds and do not have an unsaturation in beta; and said onium ions comprise at least 2 radicals of more than 6, advantageously more than 10, preferably more than 12 carbon atoms.

Abstract translation: 本发明涉及通过基于季铵或鏻的催化剂的作用使异氰酸酯官能团进行环三聚反应的方法。 本发明的特征在于所述异氰酸酯官能团是支链的，并且所述鎓离子选自碳总量不大于30且不小于12的鎓离子; 并且其中的抗衡离子选自对应于弱酸的阴离子，其中pKA不小于8，优选不小于10，更优选不小于12，其中取代基是脂族化合物，并且不具有β的不饱和度; 并且所述鎓离子包含至少2个大于6个，有利地大于10个，优选大于12个碳原子的基团。

公开(公告)号：US5679839A

公开(公告)日：1997-10-21

申请号：US514630

申请日：1995-08-14

Applicant: Jerome Armand ,  Henri Chiarelli ,  Denis Revelant ,  Pascal Vacus

Inventor： Jerome Armand ,  Henri Chiarelli ,  Denis Revelant ,  Pascal Vacus

IPC: C07B43/10 ,  C07C263/10 ,  C07C265/12 ,  C07C265/14 ,  C07C263/00

CPC classification number: C07C263/10 ,  Y02P20/582

Abstract: Aromatic polyisocyanates are prepared by reacting at least one compound (A), containing at least two primary amine functions and at least one aromatic nucleus, with a relatively modest quantity of phosgene, in the gaseous phase, the amount of phosgene ranging from the stoichiometric amount to a stoichiometric excess of 100% with respect to the number of moles of amine functions of compound (A), carried out in a mixed reactor which comprises a first, homogenizing zone constituting from 20% to 80% of the total volume thereof, and a second, essentially piston flow downstream zone constituting from 80% to 20% of the total volume thereof.

Abstract translation: 通过在气相中使至少一种含有至少两个伯胺官能团和至少一个芳族核的化合物（A）与相对适量的光气反应制备芳族多异氰酸酯，其量为化学计量 相对于在混合反应器中进行的化合物（A）的胺官能团的摩尔数的化学计量过量为100％，该混合反应器包括构成其总体积的20％至80％的第一均化区，以及 第二，基本上为活塞流的下游区域构成其总体积的80％至20％。

公开(公告)号：US5391683A

公开(公告)日：1995-02-21

申请号：US137352

申请日：1993-10-18

Applicant: Faouzi Joulak ,  Denis Revelant ,  Pascal Vacus

Inventor： Faouzi Joulak ,  Denis Revelant ,  Pascal Vacus

IPC: C07C263/10 ,  C07C265/14 ,  C08G18/70

CPC classification number: C07C263/10

Abstract: Aromatic polyisocyanates, e.g., toluene diisocyanate, are prepared by reacting/contacting at least one aromatic compound (A) bearing at least two primary amine substituents, e.g., toluenediamine, xylylenediamine and/or phenylenediamine,, with phosgene, in gaseous phase and in a reactor/reaction zone devoid of active mechanical stirring.

Abstract translation: 芳族多异氰酸酯，例如甲苯二异氰酸酯，通过使至少一种带有至少两个伯胺取代基的芳族化合物（A），例如甲苯二胺，苯二甲胺和/或苯二胺与气体反应/接触而制备，气相和 反应器/反应区没有主动的机械搅拌。

公开(公告)号：US08921594B2

公开(公告)日：2014-12-30

申请号：US13140474

申请日：2009-12-18

Applicant: Nicolas Perret ,  Denis Revelant

Inventor： Nicolas Perret ,  Denis Revelant

IPC: C07C263/10 ,  B01J19/24 ,  B01J19/00

CPC classification number: B01J19/2415 ,  B01J19/0053 ,  B01J2219/00006 ,  B01J2219/00108 ,  B01J2219/0011 ,  C07C263/10 ,  C07C2601/16 ,  C07C2602/42 ,  Y02P20/582 ,  C07C265/14

Abstract: A process for phosgenating an amine comprising employing a plug-flow type reactor with internal recycle is disclosed. The process can be continuous, which makes it possible to prepare, in a single stage, a (poly)isocyanate with a good yield, without formation of byproducts and on simplifying the plant in order to carry out the process so as to promote safety.

Abstract translation: 公开了一种用于光化胺的方法，其包括使用具有内部再循环的活塞式反应器。 该方法可以是连续的，这使得可以在单一阶段制备具有良好产率的（聚）异氰酸酯，而不形成副产物和简化工厂以进行该方法以促进安全性。