Onsite Fiber Functionalization R&D Chemist

Renasens AB; Viareds sommarstad; On-site; SEK 550,000 - 700,000; Full time

Benefits offered by this job

Wellness allowance

30 days vacation

Job summary

Renasens AB is seeking a skilled chemist to advance functionalization of natural and cotton/polycotton fibers. You will lead grafting and surface modification efforts, translating lab results into pilot-scale processes and contributing to IP through rigorous record-keeping.

The role involves hands-on lab work at our Borås pilot facility, with proximity to Stockholm headquarters and a fast-paced team delivering ambitious milestones in 2026 and beyond.

Qualifications

• MSc or PhD in organic chemistry, polymer chemistry, or related field.
• Strong fundamentals in functional group chemistry, reactivity, and reaction mechanisms.
• Experience with grafting, crosslinking, or surface functionalization of polymers or natural fibers.
• Minimum 2 years of industrial R&D experience (chemical, materials, polymer, or textile industry).
• Hands on synthetic lab experience; comfortable designing reactions and troubleshooting when they fail.
• Solid analytical/characterization skills.

Responsibilities

• Take end to end ownership of the fiber functionalization workstream (cotton and polycotton).
• Design and execute grafting, crosslinking, and surface modification chemistry to meet specific performance targets.
• Develop and optimize reaction protocols from lab bench toward pilot-relevant conditions.
• Characterize functionalized fibers using relevant techniques.
• Write clean SOPs and contribute to IP generation through structured experimental records.
• Contribute to an organized and clean lab environment.

Skills

Functional group chemistry

Grafting / crosslinking

Lab synthesis design

Analytical skills

Education

MSc or PhD in organic/polymer chemistry

Job description

Renasens AB is seeking a skilled chemist to advance functionalization of natural and cotton/polycotton fibers. You will lead grafting and surface modification efforts, translating lab results into pilot-scale processes and contributing to IP through rigorous record-keeping.

The role involves hands-on lab work at our Borås pilot facility, with proximity to Stockholm headquarters and a fast-paced team delivering ambitious milestones in 2026 and beyond.