Patent application EP19174118A (EP), filed 2019-05-13
Publication number: EP3738745A1
Title: REACTIVE PRINTABLE COMPOSITION WITH ELASTOMERIC PROPERTIES
Abstract: [0001]    The present invention relates to moisture curable compositions based on silane-terminated polymers in paste form that can be used as 3D printing materials and provide isotropic and elastomeric properties.
[0002]    The invention further relates to the use thereof as 3D printing materials and printing methods using said compositions.
IPC codes: B29C  64/   106            A I
B33Y  10/    00            A I
B33Y  70/    00            A I
C08L 101/    10            A I
C08L  43/    04            A I
C08L  71/    02            A I
C09K   3/    10            A I
Claims: number: 1
text: A moisture-curable printable composition comprising
number: 2
text: The moisture-curable printable composition according to claim 1, wherein the at least one polymer a)
number: 3
text: The moisture-curable printable composition according to claim 1 or 2, wherein in the general formula (II)
number: 4
text: The moisture-curable printable composition according to any one of the preceding claims, wherein the composition comprises, relative to the total weight of the composition,
number: 5
text: The moisture-curable printable composition according to any one of the preceding claims, wherein the filler comprises silica, preferably in an amount of 1 to 30, more preferably 1 to 20, even more preferably 5 to 15 wt.-%, relative to the total weight of the composition.
number: 6
text: The moisture-curable printable composition according to any one of the preceding claims, wherein the filler comprises calcium carbonate, optionally surface coated with fatty acids, preferably in an amount of 25 to 45, more preferably 30 to 40 wt.-%, relative to the total weight of the composition.
number: 7
text: The moisture-curable printable composition according to any one of the preceding claims, wherein the composition further comprises at least one compound selected from the group consisting of plasticizers, reactive diluents, adhesion promoters, moisture scavengers, crosslinking agents, and light/UV stabilizers.
number: 8
text: The moisture-curable printable composition according to any one of the preceding claims, wherein the composition further comprises at least one crosslinker, preferably selected from polyols, more preferably in an amount of 0.01 to 20 wt.-%.
number: 9
text: Method for manufacturing a three-dimensional part by extruded filament fabrication, the method comprising:
number: 10
text: Use of a moisture-curable printable composition according to any one of claims 1 to 8 as a 3D printing material.
Office action: search_report, dated 2020-11-18
Rejection reasons: novelty_epc_54
Prior art cited: ref_id: - CHEMICAL ABSTRACTS, Columbus, Ohio, US; abstract no. 022984-54-9
ref_type: npl
severity: background
ref_id: - CHEMICAL ABSTRACTS, Columbus, Ohio, US; abstract no. 16230-35-6
ref_type: npl
severity: background
ref_id: WO2017216045A1
ref_type: patent
severity: background
ref_id: JP2014240477A
ref_type: patent
severity: background
ref_id: WO2018005350A1
ref_type: patent
severity: background
ref_id: - EDWARD M PETRIE: "MS Polymers in "Hybrid" Sealants", THE ADHESIVE AND SEALANT COUNCIL, INC., 1 January 2010 (2010-01-01), pages 1 - 8, XP055251044, Retrieved from the Internet <URL:http://www.adhesives.org/docs/default-document-library/hybrid_sealants_may2010-final-%281%29.pdf> [retrieved on 20160217]
ref_type: npl
severity: background
ref_id: US2011237734A1
ref_type: patent
severity: background
ref_id: JP2014240477
ref_type: patent
severity: novelty_destroying
ref_id: WO2017216045
ref_type: patent
severity: novelty_destroying
ref_id: WO2018005350
ref_type: patent
severity: background
ref_id: - Edward M Petrie, "MS Polymers in "Hybrid" Sealants", The Adhesive and Sealant Council, Inc., (20100101), pages 1 - 8, URL: http://www.adhesives.org/docs/default-document-library/hybrid_sealants_may2010-final-%281%29.pdf, (20160217), XP055251044 [A] 1,2 * the whole document *
ref_type: npl
severity: background
Final disposition: pending (2020-11-18)