Task: Translation
Input (Czech): Bezrozpou t dlov² zp sob synt zy uveden ho kopolymeru spo  v  v tom,  e se k DL-ml  n  kyselin  vyh° t  na teplotu 100 a  110 .degree.C a n sledn  odvodn n  ve sm si s mannitolem ve hmotov m pom ru 90 : 10 a  99 : 1 p°i uveden  teplot  p°id  0,01 a  2 % hmotn., s v²hodou 0,26 % hmotn., p-toluensulfonov  kyseliny nebo kyseliny borit  nebo kyseliny s rov  nebo kyseliny fosfore n  v obnovuj c  se atmosf °e dus ku a vznikl  sm s se nech  reagovat p°i teplot  130 a  170 .degree.C, s v²hodou p°i 150 .degree.C, a  do dosa en    sla kyselosti produktu 4 a  8 mg KOH/g, na e  se produkt ochlad  a n sledn  drt .\
Output (English): The invented solvent-free synthesis process of biologically degradable copolymer of DL-lactic acid with mannitol is characterized in that 0.01 to 2 percent by weight, preferably 0.26 percent by weight of p-toluenesulfonic acid or boric acid or sulfuric acid or phosphoric acid are added to DL-lactic acid heated to the temperature of 100 to 110 degC and subsequently dewatered in a mixture with  mannitol in weight ratio of 90 : 10 to 99 : 1 at the above specified temperature, in reclaimed nitrogen atmosphere, and the obtained mixture is then reacted at a temperature ranging from 130 to 170 degC, preferably at 150 degC until the product acid number of 4 to 8 mg KOH/g is achieved, whereupon the product is cooled down and subsequently crushed.