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[innovation-in-polyurethanes]

Innovation in Polyurethanes - 2019 Edition. Table of Contents.

Innovation in Polyurethanes – 2019 Edition. Table of Contents.

“Innovation in Polyurethanes – 2019 edition” is a 114-pages long in-depth review of the main polyurethane patent literature published during 2018, covering many hundreds of patent applications, clustered and discussed to reveal the major industrial research trends, main player activities and technologies. With many examples, direct download links to full-text pdf documents, 55 figures and graphs…

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[innovation-in-polyurethanes]

Now Available: "Innovation in Polyurethanes - 2019 Edition"

Now Available: “Innovation in Polyurethanes – 2019 Edition”

 “Innovation in Polyurethanes – 2019 edition” is a 114-pages long in-depth review of the main polyurethane patent literature published during 2018, covering many hundreds of patent applications, clustered and discussed to reveal the major industrial research trends, main player activities and technologies. With many examples, direct download links to full-text pdf documents, 55 figures and…

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[innovation-in-polyurethanes]

Non-Isocyanate Polyurethanes from Thiocarbonates

Non-Isocyanate Polyurethanes from Thiocarbonates

Patent Title: PROCESS FOR THE MANUFACTURING OF A POLYMER WITH URETHANE GROUPS

Number/Link: WO2019/034470 and WO2019/034473

Applicant/Assignee: BASF

Publication Date: 21 February 2019

“Gist”:  A cyclic thiocarbonate is reacted with a diamine and then with a diacrylate

Why it is interesting: NIPU is prepared by reacting a five-ring monothiocarbonate with di- (or poly-) amine and then with a…

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[innovation-in-polyurethanes]

Novel Chain Extenders

Patent Title: METHOD OF PRODUCING FIVE-CARBON RING-CONTAINING COMPOUND AND FIVE-CARBON RING DERIVATIVE-CONTAINING POLYURETHANE, AND FIVE-CARBON RING DERIVATIVE-CONTAINING POLYURETHANE

Number/Link: US2019/0048123

Applicant/Assignee: CHUNG SHAN INSTITUTE OF SCIENCE AND TECHNOLOGY

Publication Date: 14-February 2019

“Gist”: Novel chain extenders are derived from dicyclopendadiene (DCPD)

Why it is…

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[innovation-in-polyurethanes]

Single Pot NOPs

Patent Title: METHOD OF MAKING POL YOL COMPOSITIONS

Number/Link:  WO2019/028433

Applicant/Assignee: Univ. of California

Publication Date: 7 February 2019

“Gist”: Single-pot synthesis of natural-oil polyols by Prilezhaev oxidation and subsequent ring-opening of unsaturated triglycerids.

Why it is interesting: According to this invention NOPs can be prepared by reacting unsaturated natural oils…

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[innovation-in-polyurethanes]

Omniphobic Polyurea

Patent Title: MOISTURE-CURABLE OMNIPHOBIC COATINGS

Number/Link: US2019/0031909

Applicant/Assignee: US Navy

Publication Date: 31 January 2019

“Gist”: Polyurea topcoat containing both silane and perfluoro groups

Why it is interesting:According to this invention, a coating having both hydrophobic and oleophobic properties can be prepared by reacting an alkoxysilane-terminated polyurea with a…

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[innovation-in-polyurethanes]

Thermoplastic PU-PDMS Copolymer

Patent Title: THERMOPLASTIC POLYURETHANE

Number/Link: WO2019/016313 (German)

Applicant/Assignee: BASF

Publication Date: 24 January 2019

“Gist”:  Thermoplastic polyurethane comprising OH-ended poly(dimethylsiloxane).

Why it is interesting:The invention relates to thermoplastic polyurethanes prepared from diisocyanate, polyether or polyester diol and a difunctional isocyanate-reactive…

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[innovation-in-polyurethanes]

Low Viscosity Polyester Polyols

Low Viscosity Polyester Polyols

Patent Title: LOW VISCOSITY POLYOLS FOR POLYURETHANE APPLICATIONS

Number/Link: WO2019/010018

Applicant/Assignee: Stepan

Publication Date: 10 January 2019

“Gist”: Polyester polyol containing lactide

Why it is interesting:  The invention relates to low viscosity polyester polyols for use in crosslinked polyurethane coating compositions. The polyols are prepared from a polycarboxylic acid, one or…

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[innovation-in-polyurethanes]

TPU with High EMR Permeability

TPU with High EMR Permeability

Patent Title: POLYURETHANES WITH GOOD PERMEABILITY FOR ELECTROMAGNETIC RADIATION

Number/Link: WO2019/002350 (German)

Applicant/Assignee: BASF

Publication Date: 3 January 2019

“Gist”:  TPU based on aliphatic polycarbonate diol

Why it is interesting:The invention relates to thermoplastic polyurethanes with a high permeabilty to electromagnetic radiation, especially in the 0.5 to 3 GHz frequency…

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[innovation-in-polyurethanes]

Polyols for Polyurethane Fibre-Reinforced Composite

Patent Title: PROCESS FOR PRODUCING FIBER COMPOSITE MATERIAL USING HYBRID POLYOL

Number/Link: WO2018/224592 (German)

Applicant/Assignee: BASF

Publication Date: 13 December 2018

“Gist”: Composite composition based on polyol prepared from initiator mixture comprising castor oil

Why it is interesting: Polyurethane composite production by filament winding, pultrusion and similar processes are known. …

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[innovation-in-polyurethanes]

Polyurethane for Oil Well Refracking

Polyurethane for Oil Well Refracking

Patent Title: METHODS AND MATERIALS FOR REFRACTURING A PARTIALLY DEPLETED OIL AND GAS WELL

Number/Link: US2018/0346786

Applicant/Assignee:  Covestro

Publication Date: 6 December 2018

“Gist”: Use of low-reactive, low-viscosity PU systems for oil well sealing

Why it is interesting:It is known that partially depleted fracking wells can be “re-fractured” to increase production. Prior to this…

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[innovation-in-polyurethanes]

m-Xylylene Diisocyanate for Polythiourethanes Patent Title: ISOCYANATE COMPOSITION FOR OPTICAL LENSES AND PROCESS FOR PREPARING THE SAME Number/Link: US2018/0334531 Applicant/Assignee: …

[innovation-in-polyurethanes]

Polyurethanes Emission Control

Emissions of volatile organic compounds (VOC) from polyurethane systems and materials can contribute to safety, health and environmental issues and are subject to ever more stringent laws and regulations.

This report reviews the different strategies and technologies to reduce or eliminate emissions from polyurethane systems as disclosed in the recent patent literature. The following groups of…

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[innovation-in-polyurethanes]

Calixarene-Based Self-Healing Polyurethane Coatings Patent Title: CALIXARENE-TYPE PHOTOCURABLE POLYURETHANE RESIN AND SELF-REPAIRING COATING PREPARED THEREFROM Number/Link: WO2018/205208 (Chinese) Applicant/Assignee: Jiangnan Univ.

[innovation-in-polyurethanes]

Polyurethane-Graphene Composite

Patent Title: POLYURETHANE FILM COMPRISING GRAPHENE AND PREPARATION PROCESS THEREOF.

 Number/Link: WO/2018/202747

Applicant/Assignee:  Directa Plus

Publication date: 8 November 2018

“Gist”: A PU film containing graphene nano-platelets

Why it is interesting: The invention is about polyurethane-graphene nanocomposites useful as films in textiles for clothing and medical applications. The films are…

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[innovation-in-polyurethanes]

Thermoplastic Polyurethanes from Polyesters Based on "Bio"-Propanediol.

Thermoplastic Polyurethanes from Polyesters Based on “Bio”-Propanediol.

Title: THERMOPLASTIC POLYURETHANE WITH REDUCED TENDENCY TO BLOOM FROM A BIO-BASED GLYCOL

 Number/Link: WO2012173911

Applicant/Assignee: Lubrizol

Publication date: 20-12-2012

“Gist”: TPUs with less tendency to “bloom” are prepared from diisocyanate, diol chain extender and a polyester polyol based on 1,3-propanediol and adipic acid.

Why it is interesting:  “Blooming” is an undesirable effect where…

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[innovation-in-polyurethanes]

PU Elastomers with Extremely High Elongation

PU Elastomers with Extremely High Elongation

Patent Title:  Polyurethane Elastomer with High Ultimate Elongation

 Number/Link: US2018/0312623

Applicant/Assignee:  UNIV PENNSYLVANIA

Publication date: 1 November 2018

“Gist”: Low hardblock polyurethane-polyurea elastomers are prepared from low unsat diols, HDI and a bulky diamine chain extender

Why it is interesting: The current invention relates to PU  elastomers which are said “to  have the…

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