Exclusively breastfeed baby and introducing bottle

Ok so my LO is 9 months old and I need some time to get things done. This has been extremely hard for me so far because he is exclusively breastfed. We had him on a bottle but for some reason when he was 5 months he started to reject it and the pacifier and now all he will do is chew on the plastic nipple. I have tried several different bottles and pacifiers with no luck. Please any suggestions welcome! I need my life a little back. Love breastfeeding and still want it as my primary feeding method but once and a while I would love my husband to be able to do a feeding