Compositions comprising romp catalyst and dispersant, cartridges, and methods

Patent metadata

Field	Value
Publication number	US-12435163-B2
Application number	US-202117912576-A
Country	US
Kind code	B2
Filing date	Mar 30, 2021
Priority date	Apr 1, 2020
Publication date	Oct 7, 2025
Grant date	Oct 7, 2025

Abstract

A composition is described comprising a ring opening metathesis polymerization catalyst or precatalyst thereof; and an unreactive dispersant having a viscosity at 25° C. of at least 10 Pa·sec at a shear rate of 1 1/sec. Also described is a cartridge (e.g. or a dispensing and mixing apparatus) comprising such composition. The cartridge typically comprises a first chamber comprising unpolymerized cyclic olefin; and a second chamber comprising the catalyst and dispersant. Also described are compositions including two-part compositions and methods of bonding a substrate.

First claim

What is claimed is:

1. A cartridge for a dispensing and mixing apparatus comprising:
a first chamber comprising unpolymerized cyclic olefin; and
a second chamber comprising:
a ring opening metathesis polymerization catalyst or precatalyst thereof; and an unreactive dispersant having a viscosity of at least 10 Pa·sec at 25° C. and a shear rate of 1 1/sec.

2. The cartridge of claim 1 wherein the dispersant is shear thinning.

3. The cartridge of claim 1 wherein the dispersant has a viscosity of at least 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, or 75 Pa·sec at 25° C. and a shear rate of 1 1/sec.

4. The cartridge of claim 1 wherein the dispersant has a viscosity of at least 15, 20, 25, 30, 35, or 40 Pa·sec at 25° C. and a shear rate of 10 1/sec.

5. The cartridge of claim 1 wherein the viscosity at 25° C. of the dispersant at 1 1/sec divided by the viscosity at 10 1/sec is at least 1.5, 2, 2.5, 3, or 3.5.

6. The cartridge of claim 1 wherein a reaction of the unpolymerized cyclic olefin with the ring opening metathesis polymerization catalyst or precatalyst thereof and unreactive dispersant has an onset temperature that differs by no more than 10° C. after storage for 3 months at 25° C. as compared to a same composition not subject to storage.

7. The cartridge of claim 1 wherein the unreactive dispersant has a weight average molecular weight of at least 750 g/mol.

8. The cartridge of claim 1 wherein the unreactive dispersant has a polydispersity of at least 1.20.

9. The cartridge of claim 1 wherein the unreactive dispersant comprises a liquid or semi-solid hydrocarbon.

10. The cartridge of claim 1 wherein the unreactive dispersant comprises petrolatum optionally in combination with mineral oil.

11. The cartridge of claim 1 wherein the unreactive dispersant further comprises a non-thixotropic filler.

12. The cartridge of claim 1 wherein the unreactive dispersant comprises a mixture of non-thixotropic filler and liquid or semi-solid hydrocarbon such that the mixture has a viscosity of at least 10 Pa·sec at 25° C. and a shear rate of 1 1/sec.

13. The cartridge of claim 12 wherein the liquid or semi-solid hydrocarbon has a viscosity of less than 10 Pa·sec at 25° C. and a shear rate of 1 1/sec.

14. The cartridge of claim 1 wherein the unpolymerized cyclic olefin comprises moieties selected from cyclopentadiene, norbornene, or oligomers thereof.

15. The cartridge of claim 1 wherein the unpolymerized cyclic olefin; a ring opening metathesis polymerization catalyst or precatalyst thereof; and a hydrocarbon dispersant is an adhesive composition when combined.

16. The cartridge of claim 1 wherein the first chamber and second chamber have a volume ratio ranging from 1:1 to 20:1.

17. The cartridge of claim 1 wherein the first chamber and second chamber have a volume ratio ranging from 1:1 to 5:1.

18. The cartridge of claim 1 wherein the first chamber and second chamber are connected to each other as a single cartridge or the first chamber and second chamber are separate cartridges.

19. A two-part composition comprising:
a first part comprising a unpolymerized cyclic olefin; and
a second part comprising:
a ring opening metathesis polymerization catalyst or precatalyst thereof; and

an unreactive dispersant having a viscosity at 25° C. of at least 10 Pa·sec at a shear rate of 1 1/sec.

20. A composition comprising:
a ring opening metathesis polymerization catalyst or precatalyst thereof; and
an unreactive dispersant having a viscosity at 25° C. of at least 10 Pa·sec at a shear rate of 1 1/sec.

Assignees

• 3M Innovative Properties Company

Inventors

• Kropp Michael A
• Chen Yangbin
• Lin Binhong

Classifications

• B43M11/06

  Hand-held devices · CPC title

• B05C17/00596

  The liquid or other fluent material being supplied from a rigid removable cartridge having no active dispensing means, i.e. the cartridge requiring cooperation with means of the handtool to expel the material · CPC title

• B05C17/005

  for discharging material {from a reservoir or container located in or on the hand tool} through an outlet orifice by pressure {without using surface contacting members like pads or brushes} · CPC title

• B05D1/26

  performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface · CPC title

• B05D5/10

  to obtain an adhesive surface · CPC title