Specialty Fabrics Review November 2023 - 14

[ BRIEFS ] swatches
A polyester fabric dress is being cut up into small
pieces and put in a container with hartshorn salt
and a mild solvent.
Shriaya Sharma and Yang Yang demonstrate the textile recycling method.
Old World baking agent could
recycle cotton-poly blends
C
hemists at the University of Copenhagen in Denmark have
learned that an Old World leavening agent used in gingerbread
can separate cotton-poly blended fibers. The baking ingredient
hartshorn salt, also known as ammonium bicarbonate, is key to the
process, plus the nontoxic solvent ethylene glycol and heat.
The hartshorn salt breaks down into ammonia, CO2
The combination of ammonia and CO2
and water.
acts as a catalyst, breaking
Depolymerized plastic from the polyester fabric.
down the polyester (PET) while preserving the cotton. The materials
settle into distinct layers, and the majority of each material can be
recovered for reuse.
" At first, we were excited to see it work so well on the PET bottles
alone, " says Carlo Di Bernardo, doctoral student and study co-author.
" Then, when we discovered that it worked on polyester fabric as well,
we were just ecstatic. It was indescribable. That it was so simple to
perform was nearly too good to be true. "
" If we throw dirty plastic waste in a container, we still get good quality
cotton and plastic monomer out of it, " says Shriaya Sharma, doctoral
student and study co-author. " This can even be a plastic bottle with juice
residue still in it. We just put it in and begin the reaction. It still works. "
The researchers are in contact with companies to test the method on
Intact cotton fibers after the process.
Images: University of Copenhagen/
Bettina Illemann Larsen
an industrial scale.
The same group of researchers previously demonstrated that CO2
could serve as a catalyst to break down nylon.
The research was published in the journal ACS Sustainable Chemistry
& Engineering in July 2023.
14 SPECIALTY FABRICS REVIEW / November 2023

Specialty Fabrics Review November 2023

Table of Contents for the Digital Edition of Specialty Fabrics Review November 2023

Specialty Fabrics Review November 2023 - Cover1
Specialty Fabrics Review November 2023 - Cover2
Specialty Fabrics Review November 2023 - 1
Specialty Fabrics Review November 2023 - 2
Specialty Fabrics Review November 2023 - 3
Specialty Fabrics Review November 2023 - 4
Specialty Fabrics Review November 2023 - 5
Specialty Fabrics Review November 2023 - 6
Specialty Fabrics Review November 2023 - 7
Specialty Fabrics Review November 2023 - 8
Specialty Fabrics Review November 2023 - 9
Specialty Fabrics Review November 2023 - 10
Specialty Fabrics Review November 2023 - 11
Specialty Fabrics Review November 2023 - 12
Specialty Fabrics Review November 2023 - 13
Specialty Fabrics Review November 2023 - 14
Specialty Fabrics Review November 2023 - 15
Specialty Fabrics Review November 2023 - 16
Specialty Fabrics Review November 2023 - 17
Specialty Fabrics Review November 2023 - 18
Specialty Fabrics Review November 2023 - 19
Specialty Fabrics Review November 2023 - 20
Specialty Fabrics Review November 2023 - 21
Specialty Fabrics Review November 2023 - 22
Specialty Fabrics Review November 2023 - 23
Specialty Fabrics Review November 2023 - 24
Specialty Fabrics Review November 2023 - 25
Specialty Fabrics Review November 2023 - 26
Specialty Fabrics Review November 2023 - 27
Specialty Fabrics Review November 2023 - 28
Specialty Fabrics Review November 2023 - 29
Specialty Fabrics Review November 2023 - 30
Specialty Fabrics Review November 2023 - 31
Specialty Fabrics Review November 2023 - 32
Specialty Fabrics Review November 2023 - 33
Specialty Fabrics Review November 2023 - 34
Specialty Fabrics Review November 2023 - 35
Specialty Fabrics Review November 2023 - 36
Specialty Fabrics Review November 2023 - 37
Specialty Fabrics Review November 2023 - 38
Specialty Fabrics Review November 2023 - 39
Specialty Fabrics Review November 2023 - 40
Specialty Fabrics Review November 2023 - 41
Specialty Fabrics Review November 2023 - 42
Specialty Fabrics Review November 2023 - 43
Specialty Fabrics Review November 2023 - 44
Specialty Fabrics Review November 2023 - 45
Specialty Fabrics Review November 2023 - 46
Specialty Fabrics Review November 2023 - 47
Specialty Fabrics Review November 2023 - 48
Specialty Fabrics Review November 2023 - 49
Specialty Fabrics Review November 2023 - 50
Specialty Fabrics Review November 2023 - 51
Specialty Fabrics Review November 2023 - 52
Specialty Fabrics Review November 2023 - Cover3
Specialty Fabrics Review November 2023 - Cover4
Specialty Fabrics Review November 2023 - WTS_Postcard 1
Specialty Fabrics Review November 2023 - WTS_Postcard 2
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-february-2025
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-january-2025
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-december-2024
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-november-2024
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-october-2024
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-september-2024
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-august-2024
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-july-2024
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-june-2024
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-buyers-guide-2024
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-may-2024
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-april-2024
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-march-2024
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-february-2024
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-january-2024
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-december-2023
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-november-2023
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-october-2023
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-september-2023
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-august-2023
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-july-2023
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-june-2023
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-buyers-guide-2023
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-may-2023
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-april-2023
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-march-2023
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-february-2023
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-january-2023
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-december-2022
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-november-2022
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-october-2022
https://www.nxtbook.com/ata/specialtyfabricsreview/specialty-fabrics-review-september-2022
https://www.nxtbook.com/ifai/specialtyfabricsreview/specialty-fabrics-review-august-2022
https://www.nxtbook.com/ifai/specialtyfabricsreview/specialty-fabrics-review-july-2022
https://www.nxtbook.com/ifai/specialtyfabricsreview/specialty-fabrics-review-june-2022
https://www.nxtbook.com/ifai/specialtyfabricsreview/specialty-fabrics-review-buyers-guide-2022
https://www.nxtbook.com/ifai/specialtyfabricsreview/specialty-fabrics-review-may-2022
https://www.nxtbook.com/ifai/specialtyfabricsreview/specialty-fabrics-review-april-2022
https://www.nxtbook.com/ifai/specialtyfabricsreview/specialty-fabrics-review-march-2022
https://www.nxtbook.com/ifai/specialtyfabricsreview/specialty-fabrics-review-february-2022
https://www.nxtbook.com/ifai/specialtyfabricsreview/specialty-fabrics-review-january-2022
https://www.nxtbook.com/ifai/specialtyfabricsreview/specialty-fabrics-review-december-2021
https://www.nxtbook.com/ifai/specialtyfabricsreview/specialty-fabrics-review-november-2021
https://www.nxtbook.com/ifai/specialtyfabricsreview/specialty-fabrics-review-october-2021
https://www.nxtbook.com/ifai/specialtyfabricsreview/specialty-fabrics-review-september-2021
https://www.nxtbook.com/ifai/specialtyfabricsreview/specialty-fabrics-review-august-2021
https://www.nxtbook.com/ifai/specialtyfabricsreview/specialty-fabrics-review-july-2021
https://www.nxtbook.com/ifai/specialtyfabricsreview/specialty-fabrics-review-june-2021
https://www.nxtbook.com/ifai/specialtyfabricsreview/specialty-fabrics-review-buyers-guide-2021
https://www.nxtbook.com/ifai/specialtyfabricsreview/specialty-fabrics-review-may-2021
https://www.nxtbook.com/ifai/specialtyfabricsreview/specialty-fabrics-review-april-2021
https://www.nxtbook.com/ifai/specialtyfabricsreview/specialty-fabrics-review-march-2021
https://www.nxtbook.com/ifai/specialtyfabricsreview/specialty-fabrics-review-february-2021
https://www.nxtbook.com/ifai/specialtyfabricsreview/0121RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/1220RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/1120RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/1020RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/0920RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/0820RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/0720RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/0620RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/RVBG20
https://www.nxtbook.com/ifai/specialtyfabricsreview/0520RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/0420RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/0320RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/0220RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/0120RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/1219RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/1119RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/1019RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/0919RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/0819RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/0719RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/0619RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/RVBG19
https://www.nxtbook.com/ifai/specialtyfabricsreview/0519RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/0419RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/0319RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/0219RV_Feb
https://www.nxtbook.com/ifai/specialtyfabricsreview/0119RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/1218RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/1118RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/1018RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/0918RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/0818RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/0718RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/0618RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/0518RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/RVBG18
https://www.nxtbook.com/ifai/specialtyfabricsreview/0418RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/0318RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/0218RV
https://www.nxtbook.com/ifai/specialtyfabricsreview/0118RV
https://www.nxtbookmedia.com