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190942

Sigma-Aldrich

Poly(1,4-butylene terephthalate)

average Mv ~38,000, pellets

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CAS Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

form

pellets

mol wt

average Mv ~38,000

transition temp

Tm 227 °C
Tg 66 °C

density

1.31 g/mL at 25 °C (lit.)

SMILES string

OCCCCO.OC(=O)c1ccc(cc1)C(O)=O

InChI

1S/C10H10O4.C4H10O2/c1-13-9(11)7-3-5-8(6-4-7)10(12)14-2;5-3-1-2-4-6/h3-6H,1-2H3;5-6H,1-4H2

InChI key

DHQLHXKTPYFDCS-UHFFFAOYSA-N

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This Item
191094P1566414093
Poly(L-lactide) mol wt 85,000-160,000

Sigma-Aldrich

P1566

Poly(L-lactide)

transition temp

Tm 227 °C, Tg 66 °C

transition temp

Tm (DSC) 213 °C (onset)

transition temp

-

transition temp

Tm 183 °C (DSC peak), Tg 69 °C

density

1.31 g/mL at 25 °C (lit.)

density

1.37 g/mL at 25 °C (lit.)

density

-

density

1.19 g/mL at 25 °C

mol wt

average Mv ~38,000

mol wt

-

mol wt

85,000-160,000

mol wt

-

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

100

Application

Molded into auto parts, electrical components and domestic appliance assemblies.

Features and Benefits

Chemical resistance similar to PET. Low water absorption giving improved dimensional stability and electrical insulating properties.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Masaki Watanabe et al.
Polymers, 12(1) (2020-01-16)
The purpose of this study was to evaluate the physical and chemical properties of engineering plastics processed using supercritical CO2. First, we prepared disk-shaped test pieces via a general molding process, which were plasticized using supercritical CO2 at temperatures lower
Denisse Esther Mallaupoma Camarena et al.
Nanomaterials (Basel, Switzerland), 10(12) (2020-12-20)
The development of products for topical applications requires analyses of their skin effects before they are destined for the market. At present, the ban on animal use in several tests makes the search for in vitro models (such as artificial

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