Back to results
US 2026/0159635 A1Published application
Xylylene diisocyanate composition, xylylene diisocyanate modified composition, polymerizable composition, resin, molded article, optical element, and lens
AssigneeMitsui Chemicals, Inc.
InventorMasaru KAWAGUCHI
Life of this patent
Estimating the term…
Abstract
[Solving Means] A xylylene diisocyanate composition contains a xylylene diisocyanate and a compound having retention time of 14.0 minutes to 14.6 minutes when the xylylene diisocyanate composition is measured by gas chromatography mass spectrometry under the specific measurement conditions, and a content ratio of the compound is adjusted to be 2000 ppm or less.
Claims18
A xylylene diisocyanate composition comprising:
- a xylylene diisocyanate and
- a compound having retention time of 14.0 minutes to 14.6 minutes when the xylylene diisocyanate composition is measured by gas chromatography mass spectrometry under the following measurement conditions, wherein
- a content ratio of the compound is 2000 ppm or less,
- Measurement Conditions for Gas Chromatography Mass Spectrometry:
- Column:
- HP19091L-433 HP-50+ (inner diameter of 0.25 mm×length of 30 m, film of 0.25 μm)
- Oven temperature:
- held at 50° C. for one minute, temperature rising from 50° C. to 280° C. at 10.0° C./min, and held for six minutes after reaching 280° C.
- Carrier gas:
- He 1.0 ml/min, constant flow mode
- Injection method:
- pulsed splitless method (150 kPa at 0.5 min)
- Injection amount:
- 1.0 μL
- Sample concentration:
- 1.0% by mass dichloromethane solution
- Injection temperature:
- 200° C.
- Interface temperature:
- 280° C.
- Quadrupole temperature:
- 150° C.
- Ion source temperature:
- 230° C.
- Detection method:
- Scan method (m/z:
- 10 to 500).
24 more elements
A xylylene diisocyanate composition comprising:
- a xylylene diisocyanate and
- a compound represented by the following general formula (1) and having a molecular weight of 161, wherein
- a content ratio of the compound is 2000 ppm or less,
- in general formula (1), R1 represents a hydrogen atom, a methyl group, or an ethyl group;
- R2 represents a hydrogen atom, a methyl group, an ethyl group, or a formyl group;
- “m” represents an integer of 0 or more and 2 or less.
3 more elements
Dependencies are inferred from the claim text.