this invention is a bicomponent meltblown microfiber nonwoven material wherein at least two different polymers have been extruded and spun together in either a side by side or core / sheath configuration and wherein at least one of the polymers is polytrimethylene terephthalate and at least one of the polymers is one of but not limited to the following thermoplastics : polypropylene , polyethylene , polyethylene terephthalate , polybutylene terephthalate , polyamide , and polylactide . the ratio of ptt to the other component ranges from 1 : 99 to 99 : 1 , based on the weight of the polymers . the preferred weight ratio range of ptt : pp is 25 : 75 to 75 : 25 and the most preferred range is 25 : 75 to 50 : 50 . the present invention also provides a process for making such a bicomponent fiber . the present invention also provides a process for making such a meltblown microfiber nonwoven material .