Chemical Raw Materials 99.9% BDO Bio-Based 1,4-Butanediol As
Organic Chemicals
Product Detail of BDO:
1,4-Butanediol uses include cleaning compounds, cosmetics, eye
liner, eye shadow, ink, plasticizer, polyester polymers,
polyurethanes, solvent, THF, and urethane polymers.
Polyurethanes: 1,4-Butanediol is used in both the hard and soft
segments. In the hard segment as a chain extender and in the soft
segment as polyesterdiols such as polybutylene adipate glycol. In
addition to its use in the soft segments of polyurethanes, 1,4 BDO
is used in the hard segments of some polyurethanes, particularly
those made with MDI or TDI. In the hard segment or as a
crosslinker, 1,4 BDO produces a good balance between hardness and
low temperature flexibility
Esters: These esters include monomeric plasticizers, the
engineering plastic polybutylene terephthalate (PBT) and low
molecular weight polyester glycols. The polyester glycols are used
as soft segments in polyurethanes and are made by reacting 1,4 BDO
with various dibasic acids such as adipic and sebacic acid.
Nature Detail of BDO:
colorless viscous oily liquid. combustible, solidification point
20.1 ° c, melting point 20.2 ° c, boiling point 228 ° c, 171 ° c
(13.3 kpa), 120 ° c (1.33 kpa), 86 ° c (0.133 kpa), relative
density 1.0171 (20 / 4 ° c), refractive index 1.4461. flash point
(open cup) 121 ° c. it is miscible with water, soluble in methanol,
ethanol, acetone, and slightly soluble in ether. it is hygroscopic,
bitter and the entrance is slightly sweet.
| testing items | index |
| appearance | colorless or light yellow oily liquid |
| freezing point | ≤19.0°c |
| purity | ≥99.5% |
| bromine number | ≤0.10% |
| refractive index | 1.445~1.446 |
| moisture | ≤0.10% |
| hydroxyl value | ≤0.2% |
| chromaticity (platinum-cobalt color number) | ≤25 |
Application field of 1,4- butanediol:
1,4- butanediol (BDO) is an important organic and fine chemical raw
material. It is widely used in the fields of medicine, chemical
industry, textile, papermaking, automobile and daily chemical
industry. It is the basic raw material for the production of
polybutylene terephthalate (PBT) engineering plastics and PBT
fiber. It is the necessary raw material for production of
biodegradable plast PBAT, PBS, PBSA, PBST and so on.
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