When asking questions in forums like this it always helps to state the purpose or goal of what you are attempting. Word has many tools and the one you thing should work may not be the one you need.

Start each chapter with an odd-page or next-page section break. Set your headers and footers to have a different first page. Only put the StyleRef field in the primary header.

You may have to copy things from your primary header and footer into the first-page header/footer.

Header/Footer Settings Recap