Polymeric composite materials, manufacture, and uses

1. A composite material comprising a solid non-elastomeric continuous phase comprising an organic polymer having a glass transition temperature of at least 40° C. and up to and including 120° C. as measured using differential scanning calorimetry at a scanning rate of 20° C./minute, and having dispersed within the solid non-elastomeric continuous phase, a plurality of multi-compartment porous chemically crosslinked elastomeric particles that have a mode particle size of at least 1 μm and up to and including 10 μm,

wherein the organic polymer comprises a polyester, styrene-acrylic copolymer, cellulosic polymer, polyamide, polyimide, vinyl ester polymer, mono-olefin polymer, vinyl ether polymer, vinyl ketone polymer, or a polymer formed from one or more α-methylene aliphatic mono-carboxylic acid esters.

2. The composite material of claim 1 that is a composite particle comprising the solid non-elastomeric continuous phase comprising the organic polymer and an external particle surface, the composite particle having a mode particle size of at least 10 μm to and including 100 μm, and having dispersed within the solid non-elastomeric continuous phase, the plurality of multi-compartment porous chemically crosslinked elastomeric particles.

3. The composite material of claim 1 , wherein the ratio of its loss modulus to its storage modulus at 90° C. is at least 10% less than the ratio of the loss modulus to the storage modulus at 90° C. of the organic polymer that contains none of the multi-compartment porous chemically crosslinked elastomeric particles.

4. The composite material of claim 1 , wherein its fracture resistance at 20° C. is at least 10% greater than the fracture resistance of the organic polymer that contains none of the multi-compartment porous chemically crosslinked elastomeric particles.

5. The composite material of claim 1 , wherein the multi-compartment porous chemically crosslinked elastomeric particles are present in an amount of at least 3 weight % and up to and including 25 weight % of the total composite material weight.

6. The composite material of claim 1 , wherein the organic polymer comprises a polyester, styrene-acrylic copolymer, cellulosic polymer, polyamide, or polyimide.

7. The composite material of claim 1 , wherein the multi-compartment porous chemically crosslinked elastomeric particles have a mode particle size of at least 2 μm and up to and including 8 μm, and comprise a plurality of discrete compartments that are isolated from each other and dispersed within a chemically-crosslinked organic solid phase, and the plurality of discrete compartments have an average size greater than or equal to 100 nm.

8. The composite material of claim 2 , wherein the composite particle further comprises flow additive particles, a surface treatment agent, spacing treatment agent particles, or a combination thereof, on its outer surface.

9. The composite material of claim 1 , further comprising a colorant.

10. The composite material of claim 9 , wherein the colorant is present only in the solid non-elastomeric continuous phase.

11. The composite material of claim 2 , wherein the composite particle further comprises a colorant in at least some of the multi-compartment porous chemically crosslinked elastomeric particles.

12. The composite material of claim 2 , wherein the composite particle further comprises a colorant in at least some compartments of the multi-compartment porous chemically crosslinked elastomeric particles.

13. The composite material of claim 1 , further comprising a colorant in at least some compartments of the multi-compartment porous chemically crosslinked elastomeric particles.

14. The composite material of claim 1 , wherein the organic polymer comprises a polyester.