The is the Holy Grail of soft matter physics. It is also a myth. No official, clean, error-free PDF exists for public consumption. The ones you find on file-sharing sites are likely to contain mathematical poison that will tank your grades.
Rouse and Zimm models, and the groundbreaking concept of Reptation in entangled melts. The Value of the Solutions Manual Polymer Physics Rubinstein Solutions Manual
You need the answers. You need to check your work. Here is how to do it legitimately without buying a fake manual. The is the Holy Grail of soft matter physics
You can prompt: "Solve problem 3.2 from Rubinstein’s Polymer Physics: Derive the expression for the end-to-end distance of a chain with fixed bond angles." The ones you find on file-sharing sites are
The other standard text is Doi and Edwards, The Theory of Polymer Dynamics . Many problems in Rubinstein are variants of Doi & Edwards. If you find a solution in Doi (whose manual is more accessible), you can adapt it for Rubinstein.
The "Polymer Physics Rubinstein Solutions Manual" offers several benefits to students and researchers, including:
Scaling theories for semidilute and concentrated regimes.