CP from Credit Bubble Stocks had a good comment on this issue. It looks like the 40% who didn't agree can still do whatever they want:
"This is from the Suntech indenture:
'Subject to certain exceptions, the holders of a majority in aggregate principal amount of the outstanding notes may waive our compliance with any provision of the indenture or notes. However, without the consent of the holders of each outstanding note affected, no amendment, supplement or waiver may: change the stated maturity of the principal of, or the payment date of any installment of interest or additional interest on, any note;'"