Sabic Global Technologies B.v.

General Electric Company

Sabic Innovative Plastics IP B.v.

Shpp Global Technologies B.v.

Chiel Albertus Leenders

Theodorus L Hoeks

Robert Dirk Van De Grampel

Hao Gu

Brian Daniel Mullen

Mark Adrianus Johannes Van Der Mee

Thomas L Evans

Johannes Martinus Dina Goossens

Viswanathan Kalyanaraman

Adam Zerda

Prakash Purushottam Wadgaonkar

Dibakar Dhara

Tony Farrell

Robert Walter Venderbosch

Wilhelmus Johannes Daniel Steendam

Bruke Jofore

Bhimrao Dhondiba Sarwade

Domenico La Camera

Johannes Gerardus Petrus Goossens

Ramon Groote

Jennifer Dean

Bart Vandormael

Erik Schwartz

Nikhil Verghese

Tim Bernardus Van Erp

Devendra Narayandas Bajaj

Samuel Ijsselmuiden

Anandrao S Patil

Mark John Armstrong

Sjoerd Franciscus Gerardus Maria Van Nispen

Robert Borst

Gabriel Julianus Maria Hoogland

Cameron Youngstrom

Sam Van Der Aa

Theodorus Lambertus Hoeks

Adam S Zerda

Provided are thermoplastic-nanoparticle compositions that exhibit enhanced powder and melt flow. The disclosed compositions, comprising nanoparticles being silylated, have particular application in additive manufacturing processes, such as selective laser sintering and other processes.

Enhanced powder flow and melt flow of polymers for additive manufacturing applications

Described herein are cold-sintered ceramic polymer composites and processes for making them from ceramic precursor materials and monomers and/or oligomers. The cold sintering process and wide variety of monomers permit the incorporation of diverse polymeric materials into the ceramic.

Ceramic-polymer composites obtained by cold sintering process using a reactive monomer approach

A method of preparing a partially crystalline polycarbonate powder, including: dissolving an amorphous polycarbonate in a halogenated alkane solvent to form a solution; combining the solution with a crystallizing non-solvent that is miscible with the halogenated alkane solvent, under high shear mixing conditions effective to form a partially crystalline polycarbonate precipitate having a D90 particle size of less than 150 micrometers; an average particle diameter of less than or equal to 100 micrometers, or an average particle diameter of 0 to 100 micrometers; and at least 20% crystallinity, or at least 25% crystallinity, or 25 to 35% crystallinity.

Method of producing crystalline polycarbonate powders

A method of making an article includes converting a first amorphous polymer to an at least partially crystalline polymeric powder composition and powder bed fusing the at least partially crystalline polymer powder composition to form a three-dimensional article including a second amorphous polymer.

Manufacturability of amorphous polymers in powder bed fusion processes

Methods for preparing pre-dynamic cross-linked polymer compositions are described. Methods of preparing dynamic cross-linked polymer compositions using pre-dynamic cross-linked polymer compositions are also described.

Methods of forming dynamic cross-linked polymer compositions

Disclosed herein are methods and compositions of blended polycarbonate compositions with simultaneously decreased splay and improved impact characteristics. The resulting compositions, comprising one or more polycarbonate polymers, a splay reducer, and a filler, can be used in the manufacture of articles while still retaining the advantageous physical properties of blended polycarbonate compositions with decreased splay. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

Polycarbonate compositions for reduced splay in combination with sustained or improved impact resistance

Melt blended compositions, comprising up to 20 wt % of an optional additive, and 80-100 wt % of a copolycarbonate having a Tg of 200&#xb0; C. or more of (1) wherein the mole ratio of x:y is 35:65 to 90:10, Ris derived from a dihydroxy compound (2) wherein Rand Rare each independently a halogen or a Calkyl group, Ris a Calkyl, phenyl, or phenyl substituted with up to five halogens or Calkyl groups, and each c is independently 0 to 4; Ris derived from a dihydroxy compound (6): wherein Rand Rare each independently a halogen atom or a monovalent Calkyl group; p and q are each independently integers of 0 to 4; and Xis a divalent group; and 95 to 5 wt % of a polycarbonate having a Tg of less than 200&#xb0; C. of formula (9) wherein Rderived from a dihydroxy compound of formula (6); and 0.001 to 0.1 wt % of a transesterification catalyst.

High heat polycarbonate compositions, methods for the preparation thereof, and articles derived therefrom

A method for preparing a thermoplastic composition containing an antistatic agent is described. The antistatic agent is a phosphonium sulfonate salt that is prepared by a method that includes combining in an aqueous medium sodium hydroxide and/or lithium hydroxide, a sulfonyl fluoride compound, and a phosphonium halide compound; and separating the phosphonium sulfonate from the aqueous medium. The phosphonium sulfonate salt is then combined with a thermoplastic resin.

Method of making a thermoplastic composition containing an antistatic agent

A method for preparing a thermoplastic composition containing an antistatic agent is described. The antistatic agent is a phosphonium sulfonate salt of generic formula (1) wherein each X is independently a halogen or hydrogen, provided that the molar ratio of halogen to hydrogen is greater than about 0.90; p is 0 or 1 and q and r are integers of 0 to about 7 provided that q+r is less than 8 and that if p is not zero then r is greater than zero; and each R is the same or different hydrocarbon radical containing 1 to about 18 carbon atoms. The phosphonium sulfonate salt is prepared by a method that includes combining in an aqueous medium a compound of generic formula (2) wherein M is Li or Na, and X, q, p, and r are as defined above, with a stoichiometric excess of a compound of the generic formula (3)(R)P-Z&#x2003;&#x2003;(3)wherein Z is a halogen and R is as defined above; and separating the product of formula (1) from the medium. The phosphonium sulfonate salt is then combined with a thermoplastic resin.

A method for making the phosphonium sulfonate salt of generic formula (1): wherein each X is independently a halogen or hydrogen, provided that the molar ratio of halogen to hydrogen is greater than about 0.90; p is 0 or 1 and q and r are integers of 0 to about 7 provided that q+r is less than 8 and that if p is not zero then r is greater than zero; and each R is the same or different hydrocarbon radical containing 1 to about 18 carbon atoms, the method comprising combining in an aqueous medium a compound of generic formula (2): wherein M is Li or Na, and X, q, p, and r are as defined above, with a stoichiometric excess of a compound of the generic formula (3):(R)P-Z&#x2003;&#x2003;(3)wherein Z is a halogen and R is as defined above; and separating the product of formula (1) from the medium.

Methods of making an antistatic agent

Compositions exhibiting water resistant anti-static properties prepared from a thermoplastic polymer and a polymeric anti-static salt is disclosed.

Thermoplastic composition containing polymeric anti-static salt, method of making, and use thereof

Growing community of inventors

Fijnaart, Netherlands

Chiel Albertus Leenders