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1. WO2018174988 - METHOD AND FORMULATION FOR RENEWABLE POLYETHYLENE FOAMS

Publication Number WO/2018/174988
Publication Date 27.09.2018
International Application No. PCT/US2018/012771
International Filing Date 08.01.2018
IPC
C08J 9/00 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H142
9Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
B32B 5/18 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
5Layered products characterised by the non-homogeneity or physical structure of a layer
18characterised by features of a layer containing foamed or specifically porous material
C08J 9/14 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H142
9Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
04using blowing gases generated by a previously added blowing agent
12by a physical blowing agent
14organic
CPC
B32B 2250/02
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2250Layers arrangement
022 layers
B32B 2250/22
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2250Layers arrangement
22All layers being foamed
B32B 2266/025
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2266Composition of foam
02Organic
0214Materials belonging to B32B27/00
025Polyolefin
B32B 2266/102
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2266Composition of foam
10characterised by the foam pores
102Nanopores, i.e. with average diameter smaller than 0.1 µm
B32B 2266/104
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2266Composition of foam
10characterised by the foam pores
104Micropores, i.e. with average diameter in the range from 0.1 µm to 0.1 mm
B32B 2307/50
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2307Properties of the layers or laminate
50having particular mechanical properties
Applicants
  • SEALED AIR CORPORATION (US) [US]/[US]
Inventors
  • RAMESH, Natarajan
  • YAPP, Chee
  • SMITH, Lewis
Priority Data
62/474,68022.03.2017US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) METHOD AND FORMULATION FOR RENEWABLE POLYETHYLENE FOAMS
(FR) PROCÉDÉ ET FORMULATION POUR MOUSSES DE POLYÉTHYLÈNE RENOUVELABLE
Abstract
(EN) A method of making a foam using a renewable resource and a foam thereof is disclosed. The foam is made using green polyethylene polymers made from renewable sugarcane ethanol. The use of these polymers to make foam has the potential to reduce carbon dioxide gas emissions by more than half. The foam can be used in a variety of applications and can also be made with blends of renewable LDPE and non-renewable LDPE.
(FR) L'invention concerne un procédé de fabrication d'une mousse à l'aide d'une ressource renouvelable et une mousse associée. La mousse est fabriquée à l'aide de polymères de polyéthylène vert produit à partir d'éthanol de canne à sucre renouvelable. L'utilisation de ces polymères pour fabriquer une mousse a le potentiel de réduire les émissions gazeuses de dioxyde de carbone de plus de la moitié. La mousse peut être utilisée dans diverses applications et peut également être préparée avec des mélanges de LDPE renouvelable et de LDPE non renouvelable.
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